{"title":"Tohatsu 40HP 4-Stroke Outboard Engine Parts","description":"\u003csection id=\"hero\" style=\"padding:16px; border:1px solid #e5e5e5; border-radius:8px;\"\u003e\n \u003cp\u003eThis page is dedicated to Tohatsu 4‑Stroke 40 HP outboard engines. Use it to find compatible parts and key service information, including maintenance tips, common replacement parts, and practical troubleshooting guidance. You can also browse our main Tohatsu collection. Scroll to the bottom of this page to start browsing parts for this engine, and on the collection page use the Filter \u0026amp; Sort controls to narrow results by horsepower, year range, and part category\/section.\u003c\/p\u003e\n \u003ca href=\"https:\/\/seasierra.com\/collections\/tohatsu-outboard-parts\" style=\"display:inline-block; padding:10px 16px; background:#004a7c; color:#fff; text-decoration:none; border-radius:4px;\"\u003eBrowse All Tohatsu Parts\u003c\/a\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"identify-model\"\u003e\n \u003ch2\u003eHow to Identify Your 40 HP Model\u003c\/h2\u003e\n \u003cul\u003e\n \u003cli\u003eFind the nameplate\/serial label on the transom bracket or swivel bracket; it lists the model code and serial number.\u003c\/li\u003e\n \u003cli\u003eModel code reading: many 4‑stroke 40 HP units use an \"MFS40\" style code. Suffix letters often denote shaft length (S=short, L=long), control\/trim options (E=Electric start, T=Power Trim \u0026amp; Tilt), etc.\u003c\/li\u003e\n \u003cli\u003e4‑Stroke indicators: presence of an engine oil fill cap\/dipstick and often an EFI label on the cowl; oil change port on the block.\u003c\/li\u003e\n \u003cli\u003eRecord the full model designation and serial number; small suffix changes can affect parts like impellers, anodes, thermostats, and control components.\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"engine-overview\"\u003e\n \u003ch2\u003eEngine Overview\u003c\/h2\u003e\n \u003ch3\u003eTohatsu 40 HP 4‑Stroke Inline‑3 Platform\u003c\/h3\u003e\n \u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eFeature\u003c\/th\u003e\n \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eDescription\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eConfiguration\u003c\/td\u003e\n \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eInline‑3, 4‑stroke with electronic fuel injection (EFI); electric start and power trim variants common.\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eCommon Models\u003c\/td\u003e\n \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eExamples include MFS40‑series designations with suffixes for shaft length and options (e.g., S\/L\/ETL). Verify by serial plate for exact fit.\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eAdvantages\u003c\/td\u003e\n \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eQuiet operation, good fuel economy, solid mid‑range torque, and dependable charging for electronics.\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd style=\"padding:8px;\"\u003eNotes\u003c\/td\u003e\n \u003ctd style=\"padding:8px;\"\u003eMany service parts (impellers, anodes, filters) are shared within related 3‑cylinder 4‑stroke families, but confirm by model code and serial. Tohatsu supports these with maintenance and repair kits.\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"service-kits\"\u003e\n \u003ch2\u003eRoutine Maintenance \u0026amp; Service Parts\u003c\/h2\u003e\n \u003cp\u003eIntervals below are general guidelines for typical recreational use. Always follow the official Tohatsu service manual recommendations for your exact model and operating conditions.\u003c\/p\u003e\n \u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eItem\u003c\/th\u003e\n \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eInterval*\u003c\/th\u003e\n \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eRemarks\u003c\/th\u003e\n \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eParts Link\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eEngine oil + filter\u003c\/td\u003e\n \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eEvery 100 hrs or annually (first service ~20 hrs)\u003c\/td\u003e\n \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eUse NMMA FC‑W 10W‑30\/40 as specified; warm engine before draining; replace crush washer if applicable.\u003c\/td\u003e\n \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/oil-filters\"\u003eOil Filters\u003c\/a\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eGear oil (lower unit)\u003c\/td\u003e\n \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eEvery 100 hrs or annually\u003c\/td\u003e\n \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eInspect for water intrusion (milky oil). Replace seals if leaks are found.\u003c\/td\u003e\n \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/tohatsu-lower-unit-seal-kits\"\u003eTohatsu Lower Unit Seal Kits\u003c\/a\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eSpark plugs\u003c\/td\u003e\n \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eInspect 100 hrs; replace ~200 hrs or as needed\u003c\/td\u003e\n \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eCheck gap and color; replace if fouled or worn.\u003c\/td\u003e\n \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/spark-plug\"\u003eSpark Plugs\u003c\/a\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eFuel filter \/ water separator\u003c\/td\u003e\n \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eInspect 100 hrs; replace annually or with symptoms\u003c\/td\u003e\n \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eReplace sooner if stale fuel or debris is present; prime system and check for leaks.\u003c\/td\u003e\n \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/fuel-filters-1\"\u003eFuel Filters\u003c\/a\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eWater pump impeller \/ kit\u003c\/td\u003e\n \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eInspect annually; replace ~200 hrs or 2–3 seasons\u003c\/td\u003e\n \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eEssential for cooling. Replace sooner after overheat events or sandy\/muddy use.\u003c\/td\u003e\n \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/tohatsu-water-pump-repair-kits\"\u003eTohatsu Water Pump Repair Kits\u003c\/a\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eAnodes (internal\/external)\u003c\/td\u003e\n \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eCheck often; replace when ~50% depleted\u003c\/td\u003e\n \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eUse the correct alloy (salt, brackish, or fresh water). Helps protect gearcase and cooling passages.\u003c\/td\u003e\n \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/anodes\"\u003eAnodes\u003c\/a\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eThermostat\u003c\/td\u003e\n \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eInspect every 2 seasons; replace if sticking\u003c\/td\u003e\n \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eIf overheat or cold‑running symptoms occur, test and replace as needed.\u003c\/td\u003e\n \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/tohatsu-outboard-parts\"\u003eTohatsu Outboard Parts\u003c\/a\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd style=\"padding:8px;\"\u003eValve clearance check\u003c\/td\u003e\n \u003ctd style=\"padding:8px;\"\u003eTypically every 200–300 hrs (model‑specific)\u003c\/td\u003e\n \u003ctd style=\"padding:8px;\"\u003eCold‑engine adjustment per manual; improves idle quality and performance.\u003c\/td\u003e\n \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/tohatsu-outboard-parts\"\u003eTohatsu Outboard Parts\u003c\/a\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"common-parts\"\u003e\n \u003ch2\u003eFrequently Used Parts Categories\u003c\/h2\u003e\n \u003cul\u003e\n \u003cli\u003eRoutine Service: \u003ca href=\"https:\/\/seasierra.com\/collections\/service-maintenance-kits\"\u003eService \u0026amp; Maintenance Kits\u003c\/a\u003e\n\u003c\/li\u003e\n \u003cli\u003eCooling System: \u003ca href=\"https:\/\/seasierra.com\/collections\/tohatsu-water-pump-repair-kits\"\u003eTohatsu Water Pump Repair Kits\u003c\/a\u003e\n\u003c\/li\u003e\n \u003cli\u003eLower Unit Seals \u0026amp; Hardware: \u003ca href=\"https:\/\/seasierra.com\/collections\/tohatsu-lower-unit-seal-kits\"\u003eTohatsu Lower Unit Seal Kits\u003c\/a\u003e\n\u003c\/li\u003e\n \u003cli\u003eFuel System: \u003ca href=\"https:\/\/seasierra.com\/collections\/fuel-filters-1\"\u003eFuel Filters\u003c\/a\u003e\n\u003c\/li\u003e\n \u003cli\u003eIgnition \/ Electrical: \u003ca href=\"https:\/\/seasierra.com\/collections\/electrical-items\"\u003eElectrical Items\u003c\/a\u003e\n\u003c\/li\u003e\n \u003cli\u003eCorrosion Protection: \u003ca href=\"https:\/\/seasierra.com\/collections\/anodes\"\u003eAnodes\u003c\/a\u003e\n\u003c\/li\u003e\n \u003cli\u003ePropellers: \u003ca href=\"https:\/\/seasierra.com\/collections\/propellers\"\u003ePropellers\u003c\/a\u003e\n\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"troubleshooting\"\u003e\n \u003ch2\u003eCommon Symptoms \u0026amp; Quick Checks\u003c\/h2\u003e\n \u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eSymptom\u003c\/th\u003e\n \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eCheck First\u003c\/th\u003e\n \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eRelated Parts\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eWeak tell‑tale stream or overheat alarm\u003c\/td\u003e\n \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eInspect intake screens for debris, verify strong primer bulb, check impeller and thermostat operation; confirm anodes are intact.\u003c\/td\u003e\n \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eWater pump kit, thermostat, intake screen, anodes\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eHard starting \/ rough idle\u003c\/td\u003e\n \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eUse fresh fuel; inspect primer bulb and fuel lines for air leaks; replace fuel filter; check spark plugs; ensure battery voltage for EFI.\u003c\/td\u003e\n \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eSpark plugs, fuel filter, fuel injector, starter circuit components\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003ePoor acceleration \/ can’t reach WOT\u003c\/td\u003e\n \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eCheck propeller for damage or wrong pitch; inspect hull for growth; verify throttle linkage and fuel filter condition.\u003c\/td\u003e\n \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003ePropeller, fuel filter, spark plugs\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd style=\"padding:8px;\"\u003eGearcase noise or metal in gear oil\u003c\/td\u003e\n \u003ctd style=\"padding:8px;\"\u003eDrain and inspect oil; check for water intrusion; look for fishing line at prop shaft; evaluate bearing condition.\u003c\/td\u003e\n \u003ctd style=\"padding:8px;\"\u003eLower unit seal kit, bearings, thrust washer\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"faq\"\u003e\n \u003ch2\u003eFAQs\u003c\/h2\u003e\n \u003cdetails\u003e\n \u003csummary\u003eAre parts interchangeable between different years or platforms?\u003c\/summary\u003e\n \u003cp\u003eSome service items are shared across related Tohatsu inline‑3 4‑stroke models, but changes in model revisions and suffix options can affect fit. Always confirm with your full model code and serial number before ordering.\u003c\/p\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWhen should the impeller be replaced?\u003c\/summary\u003e\n \u003cp\u003eInspect yearly and replace about every 2–3 seasons or ~200 hours. Replace sooner after overheating or operation in sandy or silty water.\u003c\/p\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eHow often should I change gear oil?\u003c\/summary\u003e\n \u003cp\u003eTypically every 100 hours or annually. If you see milky oil (water intrusion) or metal flakes, service the lower unit seals and inspect bearings before further use.\u003c\/p\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWhat information helps confirm part compatibility?\u003c\/summary\u003e\n \u003cp\u003eProvide the brand (Tohatsu), full model code with suffix, serial number, shaft length, control type (tiller\/remote), and photos of the nameplate and the part being replaced.\u003c\/p\u003e\n \u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"cta\" style=\"padding:16px; border:1px solid #e5e5e5; border-radius:8px;\"\u003e\n \u003cp\u003eReady to find parts by horsepower, year, and model? Browse our main Tohatsu collection to locate compatible components for your 40 HP 4‑stroke.\u003c\/p\u003e\n \u003ca href=\"https:\/\/seasierra.com\/collections\/tohatsu-outboard-parts\" style=\"display:inline-block; padding:10px 16px; background:#004a7c; color:#fff; text-decoration:none; border-radius:4px;\"\u003eShop Tohatsu Outboard Parts\u003c\/a\u003e\n \u003cp style=\"margin-top:8px; color:#555;\"\u003eIf you’re unsure about your model, send us a clear photo of the nameplate and the part you need and we’ll help verify compatibility.\u003c\/p\u003e\n\u003c\/section\u003e","products":[{"product_id":"hydrofoil-stabilizer-fits-outboard-motors-5-150-hp-replaces-seasierra-fo2001-uanofcn-fo2001","title":"Hydrofoil Stabilizer – Fits Outboard Motors 5-150 HP (Replaces SeaSierra FO2001, UanofCn FO2001)","description":"\u003csection\u003e\n\u003c!-- 🔧 Table Styles (include only once per page) --\u003e\n\u003cstyle\u003e\n \/* Outer container allows horizontal scrolling (with iOS momentum) *\/\n .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n\n \/* Base table styles *\/\n table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n table.ss-table th, table.ss-table td {\n padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n }\n\n \/* Key: prevent wrapping, word breaks, and vertical text in headers *\/\n table.ss-table th {\n white-space:nowrap; \/* Do not wrap *\/\n word-break:normal; \/* Don’t break words *\/\n letter-spacing:normal; \/* Prevent theme styles from stretching letters *\/\n font-weight:600;\n background:#f8fafc;\n }\n\n \/* Small screen optimization *\/\n @media (max-width:480px){\n table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n }\n\u003c\/style\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis dorsal fin style \u003cstrong\u003eHydrofoil Stabilizer\u003c\/strong\u003e is designed for outboard motors and stern drives from 5 to 150 HP. By mounting to the anti-ventilation plate, it helps boats get on plane faster, reduces bow rise and porpoising, and can significantly improve fuel efficiency at cruising speeds. It offers a universal fit for a wide range of Yamaha, Mercury, Honda, Suzuki, Tohatsu, Johnson, and Evinrude models.\u003c\/p\u003e\n\u003cp\u003eThis part is a direct replacement for SeaSierra FO2001, UanofCn FO2001, QuickMarine HS001, and other equivalents.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInstalls directly to the anti-ventilation plate with included bolt-on hardware.\u003c\/li\u003e\n\u003cli\u003eConstructed from durable, marine-grade reinforced PA66 nylon plastic.\u003c\/li\u003e\n\u003cli\u003eThe kit includes all necessary stainless steel mounting hardware for a complete installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse this matrix to confirm equivalent references across OEM and aftermarket brands.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n \u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003cth\u003ePart Number\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eSeaSierra\u003c\/td\u003e\n \u003ctd\u003eFO2001\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eUanofCn\u003c\/td\u003e\n \u003ctd\u003eFO2001\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eQuickMarine\u003c\/td\u003e\n \u003ctd\u003eHS001\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eXingrong\u003c\/td\u003e\n \u003ctd\u003eHS001\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eNorthBoat\u003c\/td\u003e\n \u003ctd\u003eHS001\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eConfirm your engine model and horsepower in the table below.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n \u003ctable class=\"ss-table\" aria-label=\"Engine \u0026amp; Model Compatibility\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003cth\u003eModel\u003c\/th\u003e\n \u003cth\u003eRated HP\u003c\/th\u003e\n \u003cth\u003eStroke\u003c\/th\u003e\n \u003cth\u003eOEM Part No.\u003c\/th\u003e\n \u003cth\u003eNotes\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eYamaha\u003c\/td\u003e\n \u003ctd\u003eOutboards\u003c\/td\u003e\n \u003ctd\u003e5–150\u003c\/td\u003e\n \u003ctd\u003e2-Stroke \u0026amp; 4-Stroke\u003c\/td\u003e\n \u003ctd\u003eAftermarket\u003c\/td\u003e\n \u003ctd\u003eUniversal fit\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003eOutboards\u003c\/td\u003e\n \u003ctd\u003e5–150\u003c\/td\u003e\n \u003ctd\u003e2-Stroke \u0026amp; 4-Stroke\u003c\/td\u003e\n \u003ctd\u003eAftermarket\u003c\/td\u003e\n \u003ctd\u003eUniversal fit\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMariner\u003c\/td\u003e\n \u003ctd\u003eOutboards\u003c\/td\u003e\n \u003ctd\u003e5–150\u003c\/td\u003e\n \u003ctd\u003e2-Stroke \u0026amp; 4-Stroke\u003c\/td\u003e\n \u003ctd\u003eAftermarket\u003c\/td\u003e\n \u003ctd\u003eUniversal fit\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eHonda\u003c\/td\u003e\n \u003ctd\u003eOutboards\u003c\/td\u003e\n \u003ctd\u003e5–150\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003eAftermarket\u003c\/td\u003e\n \u003ctd\u003eUniversal fit\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSuzuki\u003c\/td\u003e\n \u003ctd\u003eOutboards\u003c\/td\u003e\n \u003ctd\u003e5–150\u003c\/td\u003e\n \u003ctd\u003e2-Stroke \u0026amp; 4-Stroke\u003c\/td\u003e\n \u003ctd\u003eAftermarket\u003c\/td\u003e\n \u003ctd\u003eUniversal fit\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eTohatsu\u003c\/td\u003e\n \u003ctd\u003eOutboards\u003c\/td\u003e\n \u003ctd\u003e5–150\u003c\/td\u003e\n \u003ctd\u003e2-Stroke \u0026amp; 4-Stroke\u003c\/td\u003e\n \u003ctd\u003eAftermarket\u003c\/td\u003e\n \u003ctd\u003eUniversal fit\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eJohnson\u003c\/td\u003e\n \u003ctd\u003eOutboards\u003c\/td\u003e\n \u003ctd\u003e5–150\u003c\/td\u003e\n \u003ctd\u003e2-Stroke\u003c\/td\u003e\n \u003ctd\u003eAftermarket\u003c\/td\u003e\n \u003ctd\u003eUniversal fit\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eEvinrude\u003c\/td\u003e\n \u003ctd\u003eOutboards\u003c\/td\u003e\n \u003ctd\u003e5–150\u003c\/td\u003e\n \u003ctd\u003e2-Stroke\u003c\/td\u003e\n \u003ctd\u003eAftermarket\u003c\/td\u003e\n \u003ctd\u003eUniversal fit\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMerCruiser\u003c\/td\u003e\n \u003ctd\u003eStern Drives\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003eAftermarket\u003c\/td\u003e\n \u003ctd\u003eUniversal fit\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eOMC\u003c\/td\u003e\n \u003ctd\u003eStern Drives\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003eAftermarket\u003c\/td\u003e\n \u003ctd\u003eUniversal fit\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eHydrofoil Stabilizer \/ Planing Aid\u003c\/dd\u003e\n \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eMounts to anti-ventilation plate with included hardware\u003c\/dd\u003e\n \u003cdt\u003eFuel Type\u003c\/dt\u003e\n\u003cdd\u003eGasoline\u003c\/dd\u003e\n \u003cdt\u003eConnection\u003c\/dt\u003e\n\u003cdd\u003eBolt-on with supplied hardware\u003c\/dd\u003e\n \u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003eMarine Grade Reinforced PA66 Nylon Plastic\u003c\/dd\u003e\n \u003cdt\u003eHousing Color\u003c\/dt\u003e\n\u003cdd\u003eBlack (Yellow, Blue, Gray, White variants available)\u003c\/dd\u003e\n \u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003e10-1\/4\" × 8-1\/4\" (260.4 mm × 209.6 mm)\u003c\/dd\u003e\n \u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e2.41 pounds (1.09 kg)\u003c\/dd\u003e\n \u003cdt\u003eFitting Type\u003c\/dt\u003e\n\u003cdd\u003eUniversal fit for outboard motors and stern drives\u003c\/dd\u003e\n \u003cdt\u003eThread Size\u003c\/dt\u003e\n\u003cdd\u003eIncludes stainless steel mounting hardware\u003c\/dd\u003e\n \u003cdt\u003eOther Technical Attributes\u003c\/dt\u003e\n\u003cdd\u003eDorsal fin style design with enhanced wing surface area\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e1 x Hydrofoil Stabilizer\u003c\/li\u003e\n \u003cli\u003e\u003cspan style=\"color:#d0021b;\"\u003e4 x Sets of Stainless Steel Mounting Hardware (bolts and nuts)\u003c\/span\u003e\u003c\/li\u003e\n \u003cli\u003e1 x Installation Instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n \u003cli\u003eEnsure the engine is off and the boat is securely trailered or on a lift.\u003c\/li\u003e\n \u003cli\u003ePlace the hydrofoil on the anti-ventilation plate, ensuring it is centered.\u003c\/li\u003e\n \u003cli\u003eMark the drilling-hole locations on the plate through the mounting holes of the hydrofoil.\u003c\/li\u003e\n \u003cli\u003eRemove the hydrofoil and drill the marked holes using an appropriately sized drill bit.\u003c\/li\u003e\n \u003cli\u003ePlace the hydrofoil back onto the plate, aligning the holes.\u003c\/li\u003e\n \u003cli\u003eInsert the stainless steel bolts from the top and attach the nuts from the bottom.\u003c\/li\u003e\n \u003cli\u003eTighten the hardware securely, but do not overtighten to avoid cracking the plate.\u003c\/li\u003e\n \u003cli\u003eCheck for a firm fit with no movement. The installation is now complete.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n \u003csummary\u003eWill this fit my specific XYZ HP motor?\u003c\/summary\u003e\n \u003cp\u003eThis hydrofoil is designed for universal fitment on most outboard motors and stern drives in the 5 to 150 HP range. It is compatible with major brands like Yamaha, Mercury, Honda, and more. Always verify your anti-ventilation plate dimensions against the product specs (10-1\/4\" × 8-1\/4\") to ensure proper mounting.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n \u003csummary\u003eWhat is the main benefit of the dorsal fin style?\u003c\/summary\u003e\n \u003cp\u003eThe dorsal fin design helps to reduce or eliminate cavitation by channeling water flow more effectively over the propeller. This improves tracking and stability, especially during turns, complementing the lift provided by the hydrofoil wings.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n \u003csummary\u003eCan this hydrofoil reduce porpoising?\u003c\/summary\u003e\n \u003cp\u003eYes, one of the primary functions of a hydrofoil is to combat porpoising (the rhythmic bouncing of the bow). By providing stern lift, it keeps the bow down and forces the hull to maintain a more consistent and stable attitude in the water.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n \u003csummary\u003eDo I need to drill holes in my engine?\u003c\/summary\u003e\n \u003cp\u003eYes, installation requires drilling four holes into the anti-ventilation (cavitation) plate of your outboard motor or stern drive. The package includes all necessary mounting hardware.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n \u003csummary\u003eWill this affect my boat's top speed?\u003c\/summary\u003e\n \u003cp\u003eHydrofoils can slightly reduce top-end speed by a small margin (typically 1-2 MPH) due to increased drag. However, this is often offset by significant gains in hole shot, low-speed planing ability, and improved fuel economy at cruising speeds.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n \u003csummary\u003eHow often should I check the mounting hardware?\u003c\/summary\u003e\n \u003cp\u003eIt is good practice to inspect the mounting bolts and nuts as part of your regular pre-launch checklist, especially after the first few uses to ensure they remain tight. Check for tightness and signs of corrosion at least once per season.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n \u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\n \u003cp\u003eThis listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n \u003csummary\u003eShipping speed \u0026amp; cost?\u003c\/summary\u003e\n \u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n \u003csummary\u003eWarranty \u0026amp; returns?\u003c\/summary\u003e\n \u003cp\u003eCovered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused \u0026amp; in original condition). See our policy page or reach out for instructions.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003eVerify images\/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.\u003c\/li\u003e\n \u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n \u003cli\u003eProfessional installation is recommended for safety and performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003ePro-Grade Standards\u003c\/strong\u003e — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFast Global Fulfillment\u003c\/strong\u003e — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eManufacturer-Direct Value\u003c\/strong\u003e — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50717907124539,"sku":"19HS001FO2001","price":32.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/19HS001FO2001.png?v=1762938111"},{"product_id":"hydrofoil-stabilizer-fits-outboard-and-stern-drive-motors-5-150-hp-replaces-seasierra-fo2001-uanofcn-fo2001","title":"Hydrofoil Stabilizer – Fits Outboard and Stern Drive Motors 5–150 HP (Replaces SeaSierra FO2001, UanofCn FO2001)","description":"\u003csection\u003e\n\u003c!-- 🔧 Table Styles (include only once per page) --\u003e\n\u003cstyle\u003e\n \/* Outer container allows horizontal scrolling (with iOS momentum) *\/\n .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n\n \/* Base table styles *\/\n table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n table.ss-table th, table.ss-table td {\n padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n }\n\n \/* Key: prevent wrapping, word breaks, and vertical text in headers *\/\n table.ss-table th {\n white-space:nowrap; \/* Do not wrap *\/\n word-break:normal; \/* Don’t break words *\/\n letter-spacing:normal; \/* Prevent theme styles from stretching letters *\/\n font-weight:600;\n background:#f8fafc;\n }\n\n \/* Small screen optimization *\/\n @media (max-width:480px){\n table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n }\n\u003c\/style\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis SeaSierra \u003cstrong\u003eHydrofoil Stabilizer\u003c\/strong\u003e is designed for outboard and stern drive motors ranging from 5 to 150 HP. It enhances performance by improving planing, stability, and fuel efficiency. It is compatible with a wide array of engines including Mercury, Johnson, Evinrude, Yamaha, Honda, Suzuki, and Tohatsu (both 2-stroke and 4-stroke models).\u003c\/p\u003e\n\u003cp\u003eThis part serves as a direct replacement for SeaSierra FO2001 and UanofCn FO2001 references.\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eInstallation Method: Transom Mount (Drilling Required)\u003c\/li\u003e\n \u003cli\u003eHousing Material: UV-Resistant Reinforced Nylon PA66 Plastic\u003c\/li\u003e\n \u003cli\u003eIncluded Hardware: Comes with stainless steel mounting screws, nuts, and a drill bit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse this matrix to confirm equivalent references across OEM and aftermarket.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n \u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003cth\u003ePart Number\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eSeaSierra\u003c\/td\u003e\n \u003ctd\u003eFO2001\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eUanofCn\u003c\/td\u003e\n \u003ctd\u003eFO2001\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eConfirm your engine model\/year in the table below.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n \u003ctable class=\"ss-table\" aria-label=\"Engine \u0026amp; Model Compatibility\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003cth\u003eHP Range\u003c\/th\u003e\n \u003cth\u003eEngine Type\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003e5-150 HP\u003c\/td\u003e\n \u003ctd\u003e2-Stroke, 4-Stroke\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eJohnson\u003c\/td\u003e\n \u003ctd\u003e5-150 HP\u003c\/td\u003e\n \u003ctd\u003e2-Stroke, 4-Stroke\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eEvinrude\u003c\/td\u003e\n \u003ctd\u003e5-150 HP\u003c\/td\u003e\n \u003ctd\u003e2-Stroke, 4-Stroke\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eYamaha\u003c\/td\u003e\n \u003ctd\u003e5-150 HP\u003c\/td\u003e\n \u003ctd\u003e2-Stroke, 4-Stroke\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eHonda\u003c\/td\u003e\n \u003ctd\u003e5-150 HP\u003c\/td\u003e\n \u003ctd\u003e2-Stroke, 4-Stroke\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSuzuki\u003c\/td\u003e\n \u003ctd\u003e5-150 HP\u003c\/td\u003e\n \u003ctd\u003e2-Stroke, 4-Stroke\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eTohatsu\u003c\/td\u003e\n \u003ctd\u003e5-150 HP\u003c\/td\u003e\n \u003ctd\u003e2-Stroke, 4-Stroke\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercruiser\u003c\/td\u003e\n \u003ctd\u003e-\u003c\/td\u003e\n \u003ctd\u003eStern Drives\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eOMC\u003c\/td\u003e\n \u003ctd\u003e-\u003c\/td\u003e\n \u003ctd\u003eStern Drives\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eHydrofoil Stabilizer\u003c\/dd\u003e\n \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eTransom Mount\u003c\/dd\u003e\n \u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003eMarine Grade Nylon PA66 Plastic\u003c\/dd\u003e\n \u003cdt\u003eAvailable Colors\u003c\/dt\u003e\n\u003cdd\u003eBlue, Black, Gray, Yellow, White\u003c\/dd\u003e\n \u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003eH: 10-1\/4 inches (260 mm), W: 8-1\/4 inches (210 mm)\u003c\/dd\u003e\n \u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e2.4 pounds (1.09 kg)\u003c\/dd\u003e\n \u003cdt\u003eMaximum Horsepower\u003c\/dt\u003e\n\u003cdd\u003e150 HP\u003c\/dd\u003e\n \u003cdt\u003eCompatible Engine Type\u003c\/dt\u003e\n\u003cdd\u003e2-Stroke, 4-Stroke\u003c\/dd\u003e\n \u003cdt\u003ePackage Dimensions\u003c\/dt\u003e\n\u003cdd\u003e14.09 × 8.78 × 1.34 inches (358 × 223 × 34 mm)\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e1 x Hydrofoil Stabilizer (FO2001)\u003c\/li\u003e\n \u003cli\u003e\u003cspan style=\"color:#d0021b;\"\u003e4 x Sets Stainless Steel Screws and Nuts\u003c\/span\u003e\u003c\/li\u003e\n \u003cli\u003e\u003cspan style=\"color:#d0021b;\"\u003e1 x 6.5mm Drill Bit\u003c\/span\u003e\u003c\/li\u003e\n \u003cli\u003e1 x Installation Instruction\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n \u003cli\u003eDisconnect the engine's battery for safety before starting work.\u003c\/li\u003e\n \u003cli\u003eCenter the hydrofoil on top of the anti-cavitation plate of your outboard or stern drive. Ensure it is positioned correctly according to the manufacturer's instructions for optimal performance.\u003c\/li\u003e\n \u003cli\u003eWith the hydrofoil held firmly in place, use a marker to mark the drilling locations through the mounting holes.\u003c\/li\u003e\n \u003cli\u003eRemove the hydrofoil and carefully drill the marked holes using the included 6.5mm drill bit.\u003c\/li\u003e\n \u003cli\u003ePlace the hydrofoil back onto the plate, aligning the holes. Insert the stainless steel screws and fasten them securely with the provided nuts.\u003c\/li\u003e\n \u003cli\u003eTighten all bolts evenly, but do not over-tighten, as this could damage the plate or the hydrofoil. Check for a snug and secure fit.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n \u003csummary\u003eWhat are the main benefits of installing a hydrofoil?\u003c\/summary\u003e\n \u003cp\u003eA hydrofoil helps your boat get on plane faster, especially with heavier loads. It also improves stability, reduces porpoising (bow bouncing), and can enhance fuel efficiency by allowing the boat to stay on plane at lower RPMs.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n \u003csummary\u003eWill this fit my specific engine model?\u003c\/summary\u003e\n \u003cp\u003eThis hydrofoil is designed for universal fit on most outboard and stern drive motors from 5 to 150 HP. The key is to ensure your engine's anti-cavitation plate is large enough to accommodate the hydrofoil's dimensions (10-1\/4\" x 8-1\/4\"). Always measure your plate before ordering.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n \u003csummary\u003eIs drilling into my engine's cavitation plate required?\u003c\/summary\u003e\n \u003cp\u003eYes, installation requires drilling four holes into the anti-cavitation plate. All necessary stainless steel mounting hardware and a drill bit are included in the package to complete the installation.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n \u003csummary\u003eWhat are signs that my old hydrofoil might need replacement?\u003c\/summary\u003e\n \u003cp\u003eInspect your current hydrofoil for cracks, warping, or significant damage, especially around the mounting points. A compromised hydrofoil can reduce performance or break off, so it's best to replace it if you notice any structural issues.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n \u003csummary\u003eCan this hydrofoil cause any negative effects on my boat?\u003c\/summary\u003e\n \u003cp\u003eWhen installed correctly on a compatible motor, a hydrofoil should improve performance. However, incorrect installation or using it on an overpowered engine can potentially affect handling. It's crucial to follow instructions and use it within the 150 HP limit.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n \u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\n \u003cp\u003eThis listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n \u003csummary\u003eShipping speed \u0026amp; cost?\u003c\/summary\u003e\n \u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n \u003csummary\u003eWarranty \u0026amp; returns?\u003c\/summary\u003e\n \u003cp\u003eCovered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused \u0026amp; in original condition). See our policy page or reach out for instructions.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003eVerify images\/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.\u003c\/li\u003e\n \u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n \u003cli\u003eProfessional installation is recommended for safety and performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cb\u003ePro-Grade Standards\u003c\/b\u003e — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n \u003cli\u003e\n\u003cb\u003eFast Global Fulfillment\u003c\/b\u003e — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n \u003cli\u003e\n\u003cb\u003eManufacturer-Direct Value\u003c\/b\u003e — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50717907157307,"sku":"SS-19HS001-B","price":28.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/SS-19HS001-B.png?v=1762938112"},{"product_id":"transom-saver-motor-support-fits-single-ram-outboard-motors-replaces-m-y-wedge","title":"Transom Saver Motor Support – Fits Single Ram Outboard Motors (Replaces M-Y Wedge)","description":"\u003csection\u003e\n\u003c!-- 🔧 Table Styles (include only once per page) --\u003e\n\u003cstyle\u003e\n \/* Outer container allows horizontal scrolling (with iOS momentum) *\/\n .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n\n \/* Base table styles *\/\n table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n table.ss-table th, table.ss-table td {\n padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n }\n\n \/* Key: prevent wrapping, word breaks, and vertical text in headers *\/\n table.ss-table th {\n white-space:nowrap; \/* Do not wrap *\/\n word-break:normal; \/* Don’t break words *\/\n letter-spacing:normal; \/* Prevent theme styles from stretching letters *\/\n font-weight:600;\n background:#f8fafc;\n }\n\n \/* Small screen optimization *\/\n @media (max-width:480px){\n table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n }\n\u003c\/style\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis universal \u003cstrong\u003eTransom Saver Motor Support – Fits Single Ram Outboard Motors (Replaces M-Y Wedge)\u003c\/strong\u003e is engineered for outboard motors equipped with a single hydraulic ram trim\/tilt system. It safeguards the motor and transom during trailering by absorbing shock and reducing strain on the hydraulic components. It is compatible with a wide range of single-ram outboards from Mercury, Yamaha, Suzuki, Honda, Tohatsu, and Evinrude\/Johnson.\u003c\/p\u003e\n\u003cp\u003eThis part serves as a direct interchange for the M-Y Wedge Transom Saver, QuickMarine Transom Support, and is partially compatible as a replacement for the DD26 Mean Mount.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInstalls easily by wedging directly between the hydraulic trim ram and the motor's tilt tube.\u003c\/li\u003e\n\u003cli\u003eConstructed from high-density EPDM rubber to absorb trailering stress and prevent damage.\u003c\/li\u003e\n\u003cli\u003eSelect packages include steer stop clips to prevent unwanted motor turning during transit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse this matrix to confirm equivalent references across OEM and aftermarket.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n \u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003cth\u003ePart Number\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eM-Y Wedge\u003c\/td\u003e\n \u003ctd\u003eTransom Saver\u003c\/td\u003e\n\u003ctd\u003eDirect Replacement\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eQuickMarine\u003c\/td\u003e\n \u003ctd\u003eTransom Support\u003c\/td\u003e\n\u003ctd\u003eDirect Replacement\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eDD26\u003c\/td\u003e\n \u003ctd\u003eMean Mount\u003c\/td\u003e\n\u003ctd\u003ePartial Compatibility\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eConfirm your engine model\/year in the table below.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eMercury:\u003c\/b\u003e Compatible with 15-200 HP 4-Stroke engines, including Verado 6-cylinder models equipped with a single-ram trim\/tilt system.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eYamaha:\u003c\/b\u003e Fits various 9-90 HP models and the F115LB with single-ram trim\/tilt systems.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eOther Brands:\u003c\/b\u003e Designed for Suzuki, Honda, Tohatsu, and Evinrude\/Johnson outboards that use a single-ram trim\/tilt mechanism.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n \u003ctable class=\"ss-table\" aria-label=\"Engine \u0026amp; Model Compatibility\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003cth\u003eModel\u003c\/th\u003e\n \u003cth\u003eRated HP\u003c\/th\u003e\n \u003cth\u003eStroke\u003c\/th\u003e\n \u003cth\u003eNotes\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003eVarious\u003c\/td\u003e\n \u003ctd\u003e15-200\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003eIncludes Verado 6-cylinder with single ram system\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eYamaha\u003c\/td\u003e\n \u003ctd\u003eVarious\u003c\/td\u003e\n \u003ctd\u003e9-90\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003eSingle ram models only\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eYamaha\u003c\/td\u003e\n \u003ctd\u003eF115LB\u003c\/td\u003e\n \u003ctd\u003e115\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003eSpecifically noted as compatible\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/tbody\u003e\n \u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eOutboard Motor Transom Saver\/Support\u003c\/dd\u003e\n \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eWedge-style, between hydraulic ram and motor tilt tube\u003c\/dd\u003e\n \u003cdt\u003eConnection\u003c\/dt\u003e\n\u003cdd\u003eDirect wedge against hydraulic ram cylinder\u003c\/dd\u003e\n \u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003eHigh-density EPDM rubber\u003c\/dd\u003e\n \u003cdt\u003eHousing Color\u003c\/dt\u003e\n\u003cdd\u003eBlue\/black (varies by retailer)\u003c\/dd\u003e\n \u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003eTransom saver: ~221 mm (L) × 50.8 mm (D) (8.7\" × 2\")\u003c\/dd\u003e\n \u003cdt\u003eFitting Type\u003c\/dt\u003e\n\u003cdd\u003eWedge\u003c\/dd\u003e\n \u003cdt\u003eOther Technical Attributes\u003c\/dt\u003e\n\u003cdd\u003eIncludes 2 motor steering stabilizer clips in some packages (yellow, ~105 mm × 29 mm × 39 mm)\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Transom Saver\/Motor Support Wedge\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e2 x\u003c\/span\u003e Outboard Steer Stop Stabilizer Clips (included in some packages)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eTrim the outboard motor to the full \"up\" position.\u003c\/li\u003e\n\u003cli\u003eIdentify the main hydraulic trim ram cylinder.\u003c\/li\u003e\n\u003cli\u003eSecurely place the transom saver wedge over the ram. Ensure it is centered and stable.\u003c\/li\u003e\n\u003cli\u003eSlowly lower the motor until it makes firm contact with the support wedge, compressing it slightly. Do not overtighten.\u003c\/li\u003e\n\u003cli\u003eIf included, attach the steering stabilizer clips to the hydraulic steering rams to prevent side-to-side movement.\u003c\/li\u003e\n\u003cli\u003eBefore launching the boat, reverse the process: raise the motor, remove the wedge and clips, and stow them safely.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eWill this fit my specific motor model?\u003c\/summary\u003e\u003cp\u003eThis support is designed for universal fitment on outboard motors with a single hydraulic trim\/tilt ram. It is confirmed compatible with most Mercury (15-200 HP), Yamaha (9-90 HP \u0026amp; F115LB), Suzuki, Honda, Tohatsu, and Evinrude\/Johnson single-ram systems. Always verify your motor has a single central ram before purchasing.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow is this different from a traditional transom saver bar?\u003c\/summary\u003e\u003cp\u003eUnlike a bar that connects the lower unit to the trailer frame, this wedge-style support fits directly onto the hydraulic ram. This isolates the motor and relieves pressure on the hydraulic system and transom without being attached to the trailer.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I use this on a twin-ram system?\u003c\/summary\u003e\u003cp\u003eNo, this model is specifically engineered for single-ram trim\/tilt systems. Using it on a dual-ram system will not provide proper support and is not recommended.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat are the included yellow clips for?\u003c\/summary\u003e\u003cp\u003eThe steer stop stabilizer clips are designed to fit onto the hydraulic steering rams. They prevent the motor from turning side-to-side during trailering, providing additional stability. They are included in most, but not all, packages.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow do I know if the support is tight enough?\u003c\/summary\u003e\u003cp\u003eLower the motor just enough to compress the rubber wedge slightly. It should be held firmly in place without excessive pressure on the hydraulic system. The motor should not be able to bounce or move freely.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat is the lifespan of the rubber material?\u003c\/summary\u003e\u003cp\u003eThe high-density EPDM rubber is very durable and resistant to UV, oil, and saltwater. With proper use, it should last for many years. Inspect for cracks or deterioration before each use and replace if signs of wear are visible.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\u003cp\u003eThis listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eShipping speed \u0026amp; cost\u003c\/summary\u003e\u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWarranty \u0026amp; returns\u003c\/summary\u003e\u003cp\u003eCovered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused \u0026amp; in original condition). See our policy page or reach out for instructions.\u003c\/p\u003e\u003c\/details\u003e\n\u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eVerify images\/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.\u003c\/li\u003e\n\u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended for safety and performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n\u003cli\u003eFast Global Fulfillment — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n\u003cli\u003eManufacturer-Direct Value — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50717907255611,"sku":"1RamTS-Blue-Yellow","price":25.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/1RamTS-Blue-Yellow.png?v=1762938116"},{"product_id":"hydrofoil-stabilizer-fins-fits-outboard-motors-up-to-50hp-4-50-hp-replaces-five-oceans-fo-4470-se-sport-300","title":"Hydrofoil Stabilizer Fins – Fits Outboard Motors Up to 50HP (4-50 HP) (Replaces Five Oceans FO-4470, SE Sport 300)","description":"\u003cstyle\u003e\n .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n table.ss-table th, table.ss-table td {\n padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n }\n table.ss-table th {\n white-space:nowrap;\n word-break:normal;\n letter-spacing:normal;\n font-weight:600;\n background:#f8fafc;\n }\n @media (max-width:480px){\n table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n }\n\u003c\/style\u003e\n\u003csection\u003e\n \u003ch2\u003eProduct Details\u003c\/h2\u003e\n \u003cp\u003eThese \u003cstrong\u003eHydrofoil Stabilizer Fins\u003c\/strong\u003e are designed to improve performance and stability for outboard motors ranging from 4 to 50 HP. Suitable for a wide variety of brands including Mercury, Yamaha, Evinrude, and Honda, they help boats get on plane faster and stay on plane at lower speeds. The two-piece design allows each foil to flex independently, absorbing shock and providing a smoother ride.\u003c\/p\u003e\n \u003cp\u003eThis part serves as a direct replacement for Five Oceans FO-4470 and can be used in similar applications as the SE Sport 300.\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003eInstalls via a simple bolt-on process directly to the anti-ventilation plate (drilling required).\u003c\/li\u003e\n \u003cli\u003eConstructed from high-strength, UV-resistant black plastic for durability in marine environments.\u003c\/li\u003e\n \u003cli\u003eKit includes all necessary stainless steel mounting hardware.\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n \u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n \u003cp\u003eUse this matrix to confirm equivalent references across OEM and aftermarket.\u003c\/p\u003e\n \u003cdiv class=\"ss-table-wrap\"\u003e\n \u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003cth\u003ePart Number\u003c\/th\u003e\n \u003cth\u003eNotes\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eFive Oceans\u003c\/td\u003e\n \u003ctd\u003eFO-4470\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSE Sport\u003c\/td\u003e\n \u003ctd\u003e300\u003c\/td\u003e\n \u003ctd\u003eFor similar applications\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n \u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n \u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n \u003cp\u003eConfirm your engine model\/year in the table below.\u003c\/p\u003e\n \u003cdiv class=\"ss-table-wrap\"\u003e\n \u003ctable class=\"ss-table\" aria-label=\"Engine \u0026amp; Model Compatibility\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003cth\u003eModel\u003c\/th\u003e\n \u003cth\u003eRated HP\u003c\/th\u003e\n \u003cth\u003eStroke\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003eVarious\u003c\/td\u003e\n \u003ctd\u003e4-50 HP\u003c\/td\u003e\n \u003ctd\u003e2- \u0026amp; 4-Stroke\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMariner\u003c\/td\u003e\n \u003ctd\u003eVarious\u003c\/td\u003e\n \u003ctd\u003e4-50 HP\u003c\/td\u003e\n \u003ctd\u003e2- \u0026amp; 4-Stroke\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eYamaha\u003c\/td\u003e\n \u003ctd\u003eVarious\u003c\/td\u003e\n \u003ctd\u003e4-50 HP\u003c\/td\u003e\n \u003ctd\u003e2- \u0026amp; 4-Stroke\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eJohnson\u003c\/td\u003e\n \u003ctd\u003eVarious\u003c\/td\u003e\n \u003ctd\u003e4-50 HP\u003c\/td\u003e\n \u003ctd\u003e2- \u0026amp; 4-Stroke\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eEvinrude\u003c\/td\u003e\n \u003ctd\u003eVarious\u003c\/td\u003e\n \u003ctd\u003e4-50 HP\u003c\/td\u003e\n \u003ctd\u003e2- \u0026amp; 4-Stroke\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eHonda\u003c\/td\u003e\n \u003ctd\u003eVarious\u003c\/td\u003e\n \u003ctd\u003e4-50 HP\u003c\/td\u003e\n \u003ctd\u003e2- \u0026amp; 4-Stroke\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eTohatsu\u003c\/td\u003e\n \u003ctd\u003eVarious\u003c\/td\u003e\n \u003ctd\u003e4-50 HP\u003c\/td\u003e\n \u003ctd\u003e2- \u0026amp; 4-Stroke\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSuzuki\u003c\/td\u003e\n \u003ctd\u003eVarious\u003c\/td\u003e\n \u003ctd\u003e4-50 HP\u003c\/td\u003e\n \u003ctd\u003e2- \u0026amp; 4-Stroke\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n \u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n \u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n \u003cdl\u003e\n \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eOutboard Engine Hydrofoil Stabilizer Fins\u003c\/dd\u003e\n \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eBolt-on (4 mounting holes)\u003c\/dd\u003e\n \u003cdt\u003eConnection\u003c\/dt\u003e\n\u003cdd\u003eDirect mount to anti-ventilation plate (cavitation plate)\u003c\/dd\u003e\n \u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003eHigh-strength black plastic, UV-resistant\u003c\/dd\u003e\n \u003cdt\u003eHousing Color\u003c\/dt\u003e\n\u003cdd\u003eBlack\u003c\/dd\u003e\n \u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003eApproximately 180mm × 180mm per fin (7.1\" × 7.1\")\u003c\/dd\u003e\n \u003cdt\u003eFitting Type\u003c\/dt\u003e\n\u003cdd\u003e2-piece design (left and right wings)\u003c\/dd\u003e\n \u003cdt\u003eWarranty\u003c\/dt\u003e\n\u003cdd\u003e1-year (Five Oceans model)\u003c\/dd\u003e\n \u003cdt\u003eOther Technical Attributes\u003c\/dt\u003e\n\u003cdd\u003eMolded in two unbreakable pieces, each foil designed to flex independently to absorb shock\u003c\/dd\u003e\n \u003c\/dl\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n \u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n \u003cul\u003e\n \u003cli\u003e1 x Hydrofoil Set (Left and Right Fin)\u003c\/li\u003e\n \u003cli\u003e\u003cspan style=\"color:#d0021b;\"\u003e4 x Stainless Steel Screws\u003c\/span\u003e\u003c\/li\u003e\n \u003cli\u003e\u003cspan style=\"color:#d0021b;\"\u003e4 x Washers\u003c\/span\u003e\u003c\/li\u003e\n \u003cli\u003e\u003cspan style=\"color:#d0021b;\"\u003e4 x Pressure Nuts\u003c\/span\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n \u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n \u003col\u003e\n \u003cli\u003eCenter the hydrofoil pieces on the anti-ventilation (cavitation) plate of your outboard motor.\u003c\/li\u003e\n \u003cli\u003eMark the positions for the four mounting holes. Ensure they are clear of any underlying structures.\u003c\/li\u003e\n \u003cli\u003eCarefully drill the four marked holes through the plate using an appropriately sized drill bit.\u003c\/li\u003e\n \u003cli\u003ePlace the fins onto the plate, aligning the holes.\u003c\/li\u003e\n \u003cli\u003eInsert the stainless steel screws with washers from the top and secure them from the bottom using the pressure nuts.\u003c\/li\u003e\n \u003cli\u003eTighten all four nuts evenly and securely. Do not overtighten. Check for firmness before operating the vessel.\u003c\/li\u003e\n \u003c\/ol\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n \u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWill these fins fit my specific outboard motor?\u003c\/summary\u003e\n \u003cp\u003eThese hydrofoils are designed for a universal fit on most outboard motors from 4 to 50 HP. Installation requires drilling into the anti-ventilation plate. Always measure your plate to ensure the 180mm x 180mm fin dimensions will fit comfortably.\u003c\/p\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWhat performance benefits can I expect?\u003c\/summary\u003e\n \u003cp\u003eHydrofoils can help reduce the time it takes to get on plane, maintain plane at lower speeds, and improve stability and tracking. Actual performance improvements vary depending on boat hull design, weight distribution, and engine mounting height.\u003c\/p\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eHow do these compare to the SE Sport 300?\u003c\/summary\u003e\n \u003cp\u003eThese fins offer a similar function and universal fit for small-to-mid-size outboards. They are made from high-strength, UV-resistant plastic and feature a two-piece design that allows each wing to flex independently to absorb shock, similar to other popular models.\u003c\/p\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eHow often should I check the mounting hardware?\u003c\/summary\u003e\n \u003cp\u003eIt is good practice to inspect the tightness of all mounting hardware (screws, nuts, washers) as part of your regular pre-launch checklist and at least once per season to ensure continued safe operation.\u003c\/p\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\n \u003cp\u003eThis listing is an aftermarket replacement (not OEM). It is built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, it is batch-inspected for consistency.\u003c\/p\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eShipping speed \u0026amp; cost\u003c\/summary\u003e\n \u003cp\u003eWe ship worldwide quickly—typical transit is 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWarranty \u0026amp; returns\u003c\/summary\u003e\n \u003cp\u003eCovered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused \u0026amp; in original condition). See our policy page or reach out for instructions.\u003c\/p\u003e\n \u003c\/details\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n \u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n \u003cul\u003e\n \u003cli\u003eVerify images\/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.\u003c\/li\u003e\n \u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n \u003cli\u003eProfessional installation is recommended for safety and performance.\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n \u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003ePro-Grade Standards\u003c\/strong\u003e — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFast Global Fulfillment\u003c\/strong\u003e — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eManufacturer-Direct Value\u003c\/strong\u003e — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50717908140347,"sku":"19HS001R1","price":25.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/19HS001R1.png?v=1762938148"},{"product_id":"sport-300-whale-tail-hydrofoil-stabilizer-fits-outboard-motors-stern-drives-40-350-hp","title":"Sport-300 Whale Tail Hydrofoil Stabilizer – Fits Outboard Motors \u0026 Stern Drives 40-350 HP","description":"\u003csection\u003e\n\u003c!-- 🔧 Table Styles (include only once per page) --\u003e\n\u003cstyle\u003e\n \/* Outer container allows horizontal scrolling (with iOS momentum) *\/\n .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n\n \/* Base table styles *\/\n table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n table.ss-table th, table.ss-table td {\n padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n }\n\n \/* Key: prevent wrapping, word breaks, and vertical text in headers *\/\n table.ss-table th {\n white-space:nowrap; \/* Do not wrap *\/\n word-break:normal; \/* Don’t break words *\/\n letter-spacing:normal; \/* Prevent theme styles from stretching letters *\/\n font-weight:600;\n background:#f8fafc;\n }\n\n \/* Small screen optimization *\/\n @media (max-width:480px){\n table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n }\n\u003c\/style\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThe Sport-300 Whale Tail Hydrofoil Stabilizer is a marine performance enhancer for a wide range of outboard motors and stern drives from 40 to 350 horsepower. It mounts directly to the anti-ventilation plate to provide significant improvements in handling, planing speed, and fuel efficiency.\u003c\/p\u003e\n\u003cp\u003eThis unit serves as a direct interchange for the SE Sport 300 HydroFoil, HD300 Whale Tail Stabilizer, and FO2003 Whale Tail Hydrofoil.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInstalls via a bolt-on connection, requiring drilling for a secure fit.\u003c\/li\u003e\n\u003cli\u003eConstructed from UV-resistant and high-impact Nylon-PA66 for durability in marine environments.\u003c\/li\u003e\n\u003cli\u003eIncludes all necessary stainless steel mounting hardware and a 6.5mm drill bit for convenience.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse this matrix to confirm equivalent references across OEM and aftermarket.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n \u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003cth\u003ePart Number\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eSE Sport\u003c\/td\u003e\n \u003ctd\u003e300\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eHD\u003c\/td\u003e\n \u003ctd\u003eHD300\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eAftermarket\u003c\/td\u003e\n \u003ctd\u003eFO2003\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eConfirm your engine model\/year in the table below.\u003c\/p\u003e\n\u003ch3\u003eOutboard Motors\u003c\/h3\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n \u003ctable class=\"ss-table\" aria-label=\"Outboard Motor Compatibility\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003cth\u003eRated HP\u003c\/th\u003e\n \u003cth\u003eStroke\u003c\/th\u003e\n \u003cth\u003eNotes\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n \u003ctd\u003e40-350\u003c\/td\u003e\n \u003ctd\u003e2- \u0026amp; 4-Stroke\u003c\/td\u003e\n \u003ctd\u003eNot compatible with Mercury 40 HP 4-Stroke\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eYamaha\u003c\/td\u003e\n \u003ctd\u003e40-350\u003c\/td\u003e\n \u003ctd\u003e2- \u0026amp; 4-Stroke\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n \u003ctd\u003e40-350\u003c\/td\u003e\n \u003ctd\u003e2- \u0026amp; 4-Stroke\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eHonda\u003c\/td\u003e\n \u003ctd\u003e40-350\u003c\/td\u003e\n \u003ctd\u003e2- \u0026amp; 4-Stroke\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSuzuki\u003c\/td\u003e\n \u003ctd\u003e40-350\u003c\/td\u003e\n \u003ctd\u003e2- \u0026amp; 4-Stroke\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eTohatsu\u003c\/td\u003e\n \u003ctd\u003e40-350\u003c\/td\u003e\n \u003ctd\u003e2- \u0026amp; 4-Stroke\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch3\u003eStern Drives\u003c\/h3\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n \u003ctable class=\"ss-table\" aria-label=\"Stern Drive Compatibility\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003cth\u003eModel\u003c\/th\u003e\n \u003cth\u003eRated HP\u003c\/th\u003e\n \u003cth\u003eNotes\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercruiser\u003c\/td\u003e\n \u003ctd\u003eVarious\u003c\/td\u003e\n \u003ctd\u003e40-350\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eOMC\u003c\/td\u003e\n \u003ctd\u003eVarious\u003c\/td\u003e\n \u003ctd\u003e40-350\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n \u003ctd\u003eSX-A, DPS, DPR, DPH, 280, 290 series\u003c\/td\u003e\n \u003ctd\u003e40-350\u003c\/td\u003e\n \u003ctd\u003eAdditional longer bolts and 1\" fender washers needed\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eVolvo Penta\u003c\/td\u003e\n \u003ctd\u003eOcean Series XDP\u003c\/td\u003e\n \u003ctd\u003eAny\u003c\/td\u003e\n \u003ctd\u003eNot compatible\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eOutboard Motor Hydrofoil Stabilizer\u003c\/dd\u003e\n \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eDirect mount to anti-ventilation plate with included hardware\u003c\/dd\u003e\n \u003cdt\u003eConnection\u003c\/dt\u003e\n\u003cdd\u003eBolt-on (requires drilling)\u003c\/dd\u003e\n \u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003eNylon-PA66 (Premium quality)\u003c\/dd\u003e\n \u003cdt\u003eHousing Color\u003c\/dt\u003e\n\u003cdd\u003eBlack\u003c\/dd\u003e\n \u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003eH: 17 inches (43.18 cm) × W: 14.4 inches (36.58 cm)\u003c\/dd\u003e\n \u003cdt\u003eFitting Type\u003c\/dt\u003e\n\u003cdd\u003eBolted attachment\u003c\/dd\u003e\n \u003cdt\u003eOther Technical Attributes\u003c\/dt\u003e\n\u003cdd\u003eUV-resistant construction; enhanced impact resistance\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e1 × Outboard Hydrofoil Stabilizer\u003c\/li\u003e\n \u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e4 × Sets\u003c\/span\u003e of Stainless Steel Screws and Nuts\u003c\/li\u003e\n \u003cli\u003e\u003cspan style=\"color:#d0021b;\"\u003e1 × 6.5mm Drill Bit\u003c\/span\u003e\u003c\/li\u003e\n \u003cli\u003e1 × Installation Instruction\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n \u003cli\u003eFor safety, disconnect the boat's battery and ensure the engine is off.\u003c\/li\u003e\n \u003cli\u003eCenter the hydrofoil on the anti-ventilation plate (the flat plate above the propeller).\u003c\/li\u003e\n \u003cli\u003eMark the four drill hole locations on the plate through the hydrofoil's mounting holes.\u003c\/li\u003e\n \u003cli\u003eCarefully drill the marked holes using the included 6.5mm drill bit.\u003c\/li\u003e\n \u003cli\u003eSecurely fasten the hydrofoil to the plate using the provided stainless steel screws and nuts.\u003c\/li\u003e\n \u003cli\u003eTighten all nuts evenly, but do not overtighten to avoid damaging the plate.\u003c\/li\u003e\n \u003cli\u003eAfter installation, perform a low-speed water test to check for proper handling and stability.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eWill this hydrofoil fit my specific engine model?\u003c\/summary\u003e\u003cp\u003eThis is a universal-fit hydrofoil designed for most outboard and stern drive motors from 40 to 350 HP. However, always check the compatibility table for known exceptions. Notably, it is not compatible with the Mercury 40 HP 4-Stroke engine.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs drilling into my engine's cavitation plate required?\u003c\/summary\u003e\u003cp\u003eYes. This product is a bolt-on design that requires drilling four holes into the anti-ventilation (cavitation) plate for a secure and permanent installation.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat are the main performance benefits?\u003c\/summary\u003e\u003cp\u003eInstalling this hydrofoil helps your boat get on plane faster, reduces or eliminates porpoising and cavitation, improves stability and control, and can increase fuel efficiency at cruising speeds by optimizing your boat's attitude in the water.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow does this compare to the name-brand SE Sport 300?\u003c\/summary\u003e\u003cp\u003eThis product is an aftermarket equivalent designed to meet or exceed the performance of the SE Sport 300. It offers a similar aerodynamic shape and robust construction from high-quality Nylon-PA66, providing a comparable boost in performance and stability.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat tools do I need for installation?\u003c\/summary\u003e\u003cp\u003eYou will need a power drill, a wrench or socket set to tighten the nuts, and standard safety gear. The package includes the essential hardware: a 6.5mm drill bit and four sets of stainless steel screws and nuts.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eMy Volvo Penta drive needs longer bolts. Are they included?\u003c\/summary\u003e\u003cp\u003eFor some Volvo Penta drives (like the SX-A, DPS, and DPH series), the included bolts may not be long enough. In this case, you will need to source longer bolts and compatible 1\" fender washers from a local marine supply or hardware store.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\u003cp\u003eThis listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eShipping speed \u0026amp; cost\u003c\/summary\u003e\u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWarranty \u0026amp; returns\u003c\/summary\u003e\u003cp\u003eCovered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused \u0026amp; in original condition). See our policy page or reach out for instructions.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003eVerify images\/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.\u003c\/li\u003e\n \u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n \u003cli\u003eProfessional installation is recommended for safety and performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003ePro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n \u003cli\u003eFast Global Fulfillment — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n \u003cli\u003eManufacturer-Direct Value — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50717910794555,"sku":"20HS002NOC","price":68.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/20HS002NOC.png?v=1762938236"},{"product_id":"quickmarine-single-ram-transom-support-saver-fits-multiple-outboard-brands-replaces-factory-trailering-supports","title":"QuickMarine Single Ram Transom Support Saver – Fits Multiple Outboard Brands (Replaces Factory Trailering Supports)","description":"\u003cstyle\u003e\n\/* Outer container allows horizontal scrolling (with iOS momentum) *\/\n.ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n\n\/* Base table styles *\/\ntable.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\ntable.ss-table th, table.ss-table td {\n padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n}\n\n\/* Key: prevent wrapping, word breaks, and vertical text in headers *\/\ntable.ss-table th {\n white-space:nowrap; \/* Do not wrap *\/\n word-break:normal; \/* Don’t break words *\/\n letter-spacing:normal; \/* Prevent theme styles from stretching letters *\/\n font-weight:600;\n background:#f8fafc;\n}\n\n\/* Small screen optimization *\/\n@media (max-width:480px){\n table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n}\n\u003c\/style\u003e\n\u003csection\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis universal \u003cstrong\u003eQuickMarine Single Ram Boat Transom Support Saver with Motor Locks\u003c\/strong\u003e is designed to protect outboard motors with single ram tilt and trim systems when trailering. It a wide range of major marine outboard brands including Mercury, Yamaha, Evinrude\/Johnson, Suzuki, Honda, and Tohatsu.\u003c\/p\u003e\n\u003cp\u003eThis system directly replaces traditional metal transom savers and factory trailering supports for boats with single ram tilt\/trim systems.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFeatures a simple manual installation with no drilling or special tools required.\u003c\/li\u003e\n\u003cli\u003eIncludes one wedge transom saver and two stabilizer centering clips for complete support.\u003c\/li\u003e\n\u003cli\u003eSafe for use in both salt and freshwater applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eConfirm your engine model and specifications in the table below.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n \u003ctable class=\"ss-table\" aria-label=\"Engine \u0026amp; Model Compatibility\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003cth\u003eModel\u003c\/th\u003e\n \u003cth\u003eRated HP\u003c\/th\u003e\n \u003cth\u003eStroke\u003c\/th\u003e\n \u003cth\u003eNotes\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n \u003ctd\u003eMultiple Models\u003c\/td\u003e\n \u003ctd\u003e40-175 HP\u003c\/td\u003e\n \u003ctd\u003e2 \u0026amp; 4-Stroke\u003c\/td\u003e\n \u003ctd\u003eWith single ram tilt and trim systems\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n \u003ctd\u003eVerado\u003c\/td\u003e\n \u003ctd\u003eMultiple\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003eSingle ram systems only\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eYamaha\u003c\/td\u003e\n \u003ctd\u003eMultiple Models\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e2 \u0026amp; 4-Stroke\u003c\/td\u003e\n \u003ctd\u003eWith single ram tilt and trim systems\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eYamaha\u003c\/td\u003e\n \u003ctd\u003eSHO Models\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003eCompatible with SHO models\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSuzuki\u003c\/td\u003e\n \u003ctd\u003eMultiple Models\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003eWith single ram tilt and trim systems\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eHonda\u003c\/td\u003e\n \u003ctd\u003eMultiple Models\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003eWith single ram tilt and trim systems\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eEvinrude\/Johnson\u003c\/td\u003e\n \u003ctd\u003eMultiple Models\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e2 \u0026amp; 4-Stroke\u003c\/td\u003e\n \u003ctd\u003eWith single ram tilt and trim systems\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eTohatsu\u003c\/td\u003e\n \u003ctd\u003eMultiple Models\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e2 \u0026amp; 4-Stroke\u003c\/td\u003e\n \u003ctd\u003eWith single ram tilt and trim systems\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eTransom Support Saver with Motor Locks\u003c\/dd\u003e\n \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eManual, no drilling or special installation required\u003c\/dd\u003e\n \u003cdt\u003eMaterial\u003c\/dt\u003e\n\u003cdd\u003eHigh Density EPDM Rubber\u003c\/dd\u003e\n \u003cdt\u003eColor\u003c\/dt\u003e\n\u003cdd\u003eYellow (also available in Black, Blue, Red)\u003c\/dd\u003e\n \u003cdt\u003eComponents\u003c\/dt\u003e\n\u003cdd\u003e1x Wedge Transom Saver, 2x Stabilizer Centering Clips\u003c\/dd\u003e\n \u003cdt\u003eCompatibility\u003c\/dt\u003e\n\u003cdd\u003eSingle Ram Tilt and Trim Systems\u003c\/dd\u003e\n \u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003eTransom Saver: 8.7\" (L) x 2\" (D), Motor Locks: 4.15\" (L) x 1.15\" (W) x 1.55\" (H)\u003c\/dd\u003e\n \u003cdt\u003eOther Technical Attributes\u003c\/dt\u003e\n\u003cdd\u003eSafe for both salt and freshwater applications\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e1x\u003c\/span\u003e Wedge Transom Saver\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e2x\u003c\/span\u003e Trailering Motor Locks (Stabilizer Centering Clips)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eTilt the outboard motor to the full \"up\" position.\u003c\/li\u003e\n\u003cli\u003ePlace the wedge transom saver securely over the main tilt ram.\u003c\/li\u003e\n\u003cli\u003eLower the motor until the wedge is held firmly in place, which takes pressure off the hydraulic system. Do not over-compress.\u003c\/li\u003e\n\u003cli\u003eSlide the two motor lock clips onto the trim rams on either side of the main ram to prevent side-to-side movement.\u003c\/li\u003e\n\u003cli\u003eEnsure all components are snug and centered before trailering.\u003c\/li\u003e\n\u003cli\u003eTo remove, simply reverse the process by raising the motor and taking the components off.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n \u003csummary\u003eIs this compatible with my specific engine model?\u003c\/summary\u003e\n \u003cp\u003eThis support saver is designed for universal fitment on outboard motors with a *single* hydraulic trim\/tilt ram. It is confirmed to work with brands like Mercury, Yamaha, Suzuki, Honda, Evinrude, and Tohatsu. Always verify that your motor has a single ram system before purchasing.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n \u003csummary\u003eHow is this different from the trailering bracket that came with my motor?\u003c\/summary\u003e\n \u003cp\u003eFactory trailering supports often provide limited engagement and can be less stable. This EPDM rubber wedge and clip system provides constant, cushioned pressure on the hydraulics and steering pivots, reducing stress and movement more effectively during transit.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n \u003csummary\u003eWhat are the included clips for?\u003c\/summary\u003e\n \u003cp\u003eThe two motor lock clips slide onto the outer trim rams. They act as stabilizer centering clips to prevent the motor from turning or \"flopping\" from side to side while trailering, which reduces strain on the steering system.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n \u003csummary\u003eHow tight should I lower the motor onto the wedge?\u003c\/summary\u003e\n \u003cp\u003eLower the motor just enough to hold the wedge firmly in place. The goal is to transfer the motor's weight to the support, not to compress it excessively. The EPDM rubber has slight give to absorb shocks.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n \u003csummary\u003eCan I use this on a dual-ram system?\u003c\/summary\u003e\n \u003cp\u003eNo, this product is specifically engineered for single-ram tilt and trim systems. Using it on a dual-ram system will not provide proper support and is not recommended.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n \u003csummary\u003eWill the EPDM rubber material last in saltwater?\u003c\/summary\u003e\n \u003cp\u003eYes, High Density EPDM (Ethylene Propylene Diene Monomer) rubber is highly resistant to UV rays, ozone, and saltwater, making it ideal for marine environments.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n \u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\n \u003cp\u003eThis listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n \u003csummary\u003eShipping speed \u0026amp; cost\u003c\/summary\u003e\n \u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n \u003csummary\u003eWarranty \u0026amp; returns\u003c\/summary\u003e\n \u003cp\u003eCovered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused \u0026amp; in original condition). See our policy page or reach out for instructions.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eVerify images\/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.\u003c\/li\u003e\n\u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended for safety and performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePro-Grade Standards\u003c\/strong\u003e — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Global Fulfillment\u003c\/strong\u003e — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer-Direct Value\u003c\/strong\u003e — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50717911384379,"sku":"1RamTS-Yellow-Orange","price":28.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/1RamTS-Yellow-Orange.png?v=1762938260"},{"product_id":"skegguard-fits-mercury-force-honda-nissan-tohatsu-replaces-megaware-skegguard-27071","title":"SkegGuard – Fits Mercury, Force, Honda, Nissan\/Tohatsu (Replaces Megaware SkegGuard 27071)","description":"\u003cstyle\u003e\n \/* Outer container allows horizontal scrolling (with iOS momentum) *\/\n .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n\n \/* Base table styles *\/\n table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n table.ss-table th, table.ss-table td {\n padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n }\n\n \/* Key: prevent wrapping, word breaks, and vertical text in headers *\/\n table.ss-table th {\n white-space:nowrap; \/* Do not wrap *\/\n word-break:normal; \/* Don’t break words *\/\n letter-spacing:normal; \/* Prevent theme styles from stretching letters *\/\n font-weight:600;\n background:#f8fafc;\n }\n\n \/* Small screen optimization *\/\n @media (max-width:480px){\n table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n }\n\u003c\/style\u003e\n\u003csection\u003e\n \u003ch2\u003eProduct Details\u003c\/h2\u003e\n \u003cp\u003eProtect or repair your lower unit's skeg with the \u003cstrong\u003eSkegGuard 27071 Stainless Steel Replacement Skeg\u003c\/strong\u003e. This bolt-on guard is engineered for a precise fit on a wide range of outboard motors, including select Mercury\/Mariner (40–125 HP, 1983–2016), Honda (60–115 HP, 1995–Present), Force (70–90 HP, 1998–2002), Nissan\/Tohatsu (70–140 HP, 1993–Present), and Yamaha (60–100 HP, 1998–2001) models. Its robust construction shields against damage from rocks, debris, and ramp dragging.\u003c\/p\u003e\n \u003cp\u003eThis unit serves as a direct replacement for the Megaware SkegGuard 27071 and provides an equivalent solution to the Gator Guards SkegShield.\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003eInstalls in under 10 minutes with included self-locking hardware.\u003c\/li\u003e\n \u003cli\u003eConstructed from mirror-polished 316 marine-grade stainless steel for superior durability.\u003c\/li\u003e\n \u003cli\u003eFeatures a reinforced 3mm wear tab and a drain hole to prevent water collection and corrosion.\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n \u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n \u003cp\u003eUse this matrix to confirm equivalent references across OEM and aftermarket.\u003c\/p\u003e\n \u003cdiv class=\"ss-table-wrap\"\u003e\n \u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003cth\u003ePart Number\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eMegaware SkegGuard\u003c\/td\u003e\n \u003ctd\u003e27071\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eGator Guards SkegShield\u003c\/td\u003e\n \u003ctd\u003eEquivalent Model\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n \u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n \u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n \u003cp\u003eConfirm your engine model\/year in the table below.\u003c\/p\u003e\n \u003cp\u003eFits Mercury\/Mariner models 40–125 HP (2 \u0026amp; 4-Stroke, 1983–2016).\u003c\/p\u003e\n \u003cp\u003eFits Honda models 60–115 HP (4-Stroke, 1995–Present).\u003c\/p\u003e\n \u003cp\u003eFits Force models 70–90 HP (2-Stroke, 1998–2002).\u003c\/p\u003e\n \u003cp\u003eFits Nissan\/Tohatsu models 70–140 HP (2-Stroke, 1993–Present).\u003c\/p\u003e\n \u003cp\u003eFits Yamaha models 60–100 HP (2 \u0026amp; 4-Stroke, 1998–2001).\u003c\/p\u003e\n \u003cdiv class=\"ss-table-wrap\"\u003e\n \u003ctable class=\"ss-table\" aria-label=\"Engine \u0026amp; Model Compatibility\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003cth\u003eModel\u003c\/th\u003e\n \u003cth\u003eRated HP\u003c\/th\u003e\n \u003cth\u003eStroke\u003c\/th\u003e\n \u003cth\u003eYears\u003c\/th\u003e\n \u003cth\u003eOEM Part No.\u003c\/th\u003e\n \u003cth\u003eNotes\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e40-50-60 Bigfoot\u003c\/td\u003e\n\u003ctd\u003e40-60\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2001–2013\u003c\/td\u003e\n\u003ctd\u003e27071\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e40-50 Command Thrust\u003c\/td\u003e\n\u003ctd\u003e40-50\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2014–Present\u003c\/td\u003e\n\u003ctd\u003e27071\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1999–2013\u003c\/td\u003e\n\u003ctd\u003e27071\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e60 Command Thrust\u003c\/td\u003e\n\u003ctd\u003e60\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2014–Present\u003c\/td\u003e\n\u003ctd\u003e27071\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e75\u003c\/td\u003e\n\u003ctd\u003e75\u003c\/td\u003e\n\u003ctd\u003e2 \u0026amp; 4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2003–2013\u003c\/td\u003e\n\u003ctd\u003e27071\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e90\u003c\/td\u003e\n\u003ctd\u003e90\u003c\/td\u003e\n\u003ctd\u003e2 \u0026amp; 4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2001–2013\u003c\/td\u003e\n\u003ctd\u003e27071\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e115\u003c\/td\u003e\n\u003ctd\u003e115\u003c\/td\u003e\n\u003ctd\u003e2 \u0026amp; 4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2002–2013\u003c\/td\u003e\n\u003ctd\u003e27071\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e115\u003c\/td\u003e\n\u003ctd\u003e115\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2014–2016\u003c\/td\u003e\n\u003ctd\u003e27071\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e125\u003c\/td\u003e\n\u003ctd\u003e125\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2003–2005\u003c\/td\u003e\n\u003ctd\u003e27071\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e70-90-100-115-125 incl. Optimax\u003c\/td\u003e\n\u003ctd\u003e70-125\u003c\/td\u003e\n\u003ctd\u003e2 \u0026amp; 4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1983–Present\u003c\/td\u003e\n\u003ctd\u003e27071\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003eSea Pro 4.25\"\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e2001–Present\u003c\/td\u003e\n\u003ctd\u003e27071\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eBF75-BF90-BF115\u003c\/td\u003e\n\u003ctd\u003e75-115\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1995–2007\u003c\/td\u003e\n\u003ctd\u003e27071\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eBF60-BF75\u003c\/td\u003e\n\u003ctd\u003e60-75\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2010–Present\u003c\/td\u003e\n\u003ctd\u003e27071\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eBF60BFP Power Thrust\u003c\/td\u003e\n\u003ctd\u003e60\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2010–Present\u003c\/td\u003e\n\u003ctd\u003e27071\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eBF100\u003c\/td\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2007–Present\u003c\/td\u003e\n\u003ctd\u003e27071\u003c\/td\u003e\n\u003ctd\u003e4 cylinder\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eForce (Mercury)\u003c\/td\u003e\n\u003ctd\u003e70-90\u003c\/td\u003e\n\u003ctd\u003e70-90\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1998–2002\u003c\/td\u003e\n\u003ctd\u003e27071\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eNissan\/Tohatsu\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e70-90-115-120-140\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1993–Present\u003c\/td\u003e\n\u003ctd\u003e27071\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eNissan\/Tohatsu\u003c\/td\u003e\n\u003ctd\u003eVarious BFT\u003c\/td\u003e\n\u003ctd\u003e75-90\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2014–2019\u003c\/td\u003e\n\u003ctd\u003e27071\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e60-70-80-90-100\u003c\/td\u003e\n\u003ctd\u003e2 \u0026amp; 4- Stroke\u003c\/td\u003e\n\u003ctd\u003e1998–2001\u003c\/td\u003e\n\u003ctd\u003e27071\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n \u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n \u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n \u003cdl\u003e\n \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eSkeg Protector\/Replacement\u003c\/dd\u003e\n \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eBolt-on (DIY, \u0026lt;10 minutes)\u003c\/dd\u003e\n \u003cdt\u003eMaterial\u003c\/dt\u003e\n\u003cdd\u003e316 Marine Grade Stainless Steel\u003c\/dd\u003e\n \u003cdt\u003eFinish\u003c\/dt\u003e\n\u003cdd\u003eMirror Polished\u003c\/dd\u003e\n \u003cdt\u003eReinforcement\u003c\/dt\u003e\n\u003cdd\u003e3mm Thickened Lower Wear Tab\u003c\/dd\u003e\n \u003cdt\u003eFeatures\u003c\/dt\u003e\n\u003cdd\u003eDrain Hole to Prevent Water Collection\u003c\/dd\u003e\n \u003cdt\u003eMinimum Remaining Skeg\u003c\/dt\u003e\n\u003cdd\u003e2-3 inches (51-76 mm)\u003c\/dd\u003e\n \u003cdt\u003eHardware\u003c\/dt\u003e\n\u003cdd\u003eSelf-Locking Bolts (Included)\u003c\/dd\u003e\n \u003cdt\u003eWarranty\u003c\/dt\u003e\n\u003cdd\u003e3 Years\u003c\/dd\u003e\n \u003c\/dl\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n \u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n \u003cul\u003e\n \u003cli\u003e1 x SkegGuard 27071 Stainless Steel Replacement Skeg\u003c\/li\u003e\n \u003cli\u003e1 x \u003cspan style=\"color:#d0021b;\"\u003eHardware Kit (Bolts, Loctite)\u003c\/span\u003e\n\u003c\/li\u003e\n \u003cli\u003e1 x Installation Instructions\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n \u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n \u003col\u003e\n \u003cli\u003eShear off any jagged or rough edges from the damaged skeg to ensure a flat mounting surface.\u003c\/li\u003e\n \u003cli\u003ePlace the SkegGuard onto the existing skeg, ensuring it is seated fully. A minimum of 2-3 inches of original skeg is required.\u003c\/li\u003e\n \u003cli\u003eTap the front and rear of the SkegGuard with a rubber mallet to ensure a snug fit.\u003c\/li\u003e\n \u003cli\u003eMark the two mounting holes for drilling. Remove the SkegGuard.\u003c\/li\u003e\n \u003cli\u003eDrill the two marked holes through the skeg using the appropriate drill bit size for the included hardware.\u003c\/li\u003e\n \u003cli\u003eApply the included Loctite threadlocker to the bolt threads.\u003c\/li\u003e\n \u003cli\u003ePosition the SkegGuard back onto the skeg, align the holes, and securely fasten the bolts. Do not overtighten.\u003c\/li\u003e\n \u003c\/ol\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n \u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n \u003cdetails\u003e\u003csummary\u003eHow much of my original skeg needs to be intact for this to fit?\u003c\/summary\u003e\u003cp\u003eA minimum of 2 to 3 inches (51-76 mm) of the original skeg must remain to ensure a secure installation.\u003c\/p\u003e\u003c\/details\u003e\n \u003cdetails\u003e\u003csummary\u003eCan I install this on a bent skeg?\u003c\/summary\u003e\u003cp\u003eNo. The existing skeg must be straightened before installation. The SkegGuard is designed to conform to a straight skeg and will not align properly on a bent one.\u003c\/p\u003e\u003c\/details\u003e\n \u003cdetails\u003e\u003csummary\u003eDoes this replace the entire skeg, or is it a cover?\u003c\/summary\u003e\u003cp\u003eThis is a protective cover that also replaces the lower portion of a damaged skeg. It slides over and bolts through your existing skeg, providing reinforcement and restoring the original profile.\u003c\/p\u003e\u003c\/details\u003e\n \u003cdetails\u003e\u003csummary\u003eWhat tools are required for installation?\u003c\/summary\u003e\u003cp\u003eInstallation requires common hand tools, including a drill, drill bit, and a wrench or socket set for the mounting bolts. A rubber mallet is also recommended for tapping the guard into place.\u003c\/p\u003e\u003c\/details\u003e\n \u003cdetails\u003e\u003csummary\u003eIs drilling required for installation?\u003c\/summary\u003e\u003cp\u003eYes, you must drill two holes through your existing skeg to mount the SkegGuard securely using the included self-locking bolts.\u003c\/p\u003e\u003c\/details\u003e\n \u003cdetails\u003e\u003csummary\u003eDoes this design help prevent corrosion?\u003c\/summary\u003e\u003cp\u003eYes. The guard is made from 316 marine-grade stainless steel for corrosion resistance and includes a built-in drain hole to prevent water from collecting inside, which helps protect your skeg.\u003c\/p\u003e\u003c\/details\u003e \n \u003cdetails\u003e\u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\u003cp\u003eThis listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.\u003c\/p\u003e\u003c\/details\u003e\n \u003cdetails\u003e\u003csummary\u003eShipping speed \u0026amp; cost\u003c\/summary\u003e\u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\u003c\/details\u003e\n \u003cdetails\u003e\u003csummary\u003eWarranty \u0026amp; returns\u003c\/summary\u003e\u003cp\u003eCovered by a 3-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused \u0026amp; in original condition). See our policy page or reach out for instructions.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n \u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n \u003cul\u003e\n \u003cli\u003eVerify images\/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.\u003c\/li\u003e\n \u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n \u003cli\u003eProfessional installation is recommended for safety and performance.\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n \u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003ePro-Grade Standards\u003c\/strong\u003e — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFast Global Fulfillment\u003c\/strong\u003e — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eManufacturer-Direct Value\u003c\/strong\u003e — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50717911679291,"sku":"1906R","price":65.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/1906R.png?v=1762938268"},{"product_id":"skeg-protector-guard-fits-honda-mercury-nissan-tohatsu-force-40-140-hp-replaces-27071","title":"Skeg Protector Guard – Fits Honda, Mercury, Nissan\/Tohatsu, Force 40-140 HP (Replaces 27071)","description":"\u003cstyle\u003e\n .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n table.ss-table th, table.ss-table td {\n padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n }\n table.ss-table th {\n white-space:nowrap; word-break:normal; letter-spacing:normal; font-weight:600; background:#f8fafc;\n }\n @media (max-width:480px){\n table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n }\n\u003c\/style\u003e\n\u003csection\u003e\n \u003ch2\u003eProduct Details\u003c\/h2\u003e\n \u003cp\u003eThis SupremeMarine \u003cstrong\u003eSkeg Protector Guard\u003c\/strong\u003e is designed to fit a wide range of Honda, Mercury, Nissan\/Tohatsu, and Force outboard motors with 40-140 horsepower (both 2-Stroke \u0026amp; 4-Stroke engines). It offers robust protection against underwater impacts from rocks, debris, and ramps.\u003c\/p\u003e\n \u003cp\u003eIt serves as a direct replacement for SupremeMarine 1906, MEGAWARE KEELGUARD 27071, and Deargooday 27071.\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003eInstallation is a straightforward bolt-on process that requires drilling for a secure fit.\u003c\/li\u003e\n \u003cli\u003eConstructed from heavy-duty 18-gauge marine-grade 316 stainless steel for maximum durability and corrosion resistance.\u003c\/li\u003e\n \u003cli\u003eIncludes a complete installation hardware kit with a hex key and thread locker sealant.\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n \u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n \u003cp\u003eUse this matrix to confirm equivalent references across OEM and aftermarket.\u003c\/p\u003e\n \u003cdiv class=\"ss-table-wrap\"\u003e\n \u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003cth\u003ePart Number\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eSupremeMarine\u003c\/td\u003e\n \u003ctd\u003e1906\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMEGAWARE KEELGUARD\u003c\/td\u003e\n \u003ctd\u003e27071\u003c\/td\u003e\n \u003c\/tr\u003e\n\t\t\u003ctr\u003e\n \u003ctd\u003eDeargooday\u003c\/td\u003e\n \u003ctd\u003e27071\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n \u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n \u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n \u003cp\u003eConfirm your engine model\/year in the table below.\u003c\/p\u003e\n \u003cp\u003e\u003cb\u003eMercury\/Force\/Mariner:\u003c\/b\u003e Fits select 70-90 HP 2-Stroke Force engines and various 40-140 HP Mercury\/Mariner models. Verify your specific model year.\u003c\/p\u003e\n \u003cp\u003e\u003cb\u003eHonda:\u003c\/b\u003e Compatible with various 40-140 HP Honda 2-Stroke \u0026amp; 4-Stroke outboards. Please check your model dimensions.\u003c\/p\u003e\n \u003cp\u003e\u003cb\u003eNissan\/Tohatsu:\u003c\/b\u003e Fits a range of 40-140 HP Nissan and Tohatsu 2-Stroke \u0026amp; 4-Stroke engines.\u003c\/p\u003e\n \u003cdiv class=\"ss-table-wrap\"\u003e\n \u003ctable class=\"ss-table\" aria-label=\"Engine \u0026amp; Model Compatibility\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003cth\u003eModel\u003c\/th\u003e\n \u003cth\u003eRated HP\u003c\/th\u003e\n \u003cth\u003eStroke\u003c\/th\u003e\n \u003cth\u003eYears\u003c\/th\u003e\n \u003cth\u003eOEM Part No.\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eForce\u003c\/td\u003e\n \u003ctd\u003eForce\u003c\/td\u003e\n \u003ctd\u003e70–90\u003c\/td\u003e\n \u003ctd\u003e2-Stroke\u003c\/td\u003e\n \u003ctd\u003e1998–2002\u003c\/td\u003e\n \u003ctd\u003e27071\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n \u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n \u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n \u003cdl\u003e\n \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eSkeg Protector Guard\u003c\/dd\u003e\n \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eBolt-on (drill and bolt installation)\u003c\/dd\u003e\n \u003cdt\u003eConnection\u003c\/dt\u003e\n\u003cdd\u003eDirect fit to skeg\u003c\/dd\u003e\n \u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003e18-Gauge Marine-Grade 316 Stainless Steel\u003c\/dd\u003e\n \u003cdt\u003eHousing Color\u003c\/dt\u003e\n\u003cdd\u003eSilver\/Polished\u003c\/dd\u003e\n \u003cdt\u003ePackage Dimensions\u003c\/dt\u003e\n\u003cdd\u003e12.24 x 6.5 x 1.34 inches (311 x 165 x 34 mm)\u003c\/dd\u003e\n \u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e1.21 pounds (0.55 kg)\u003c\/dd\u003e\n \u003cdt\u003eFitting Type\u003c\/dt\u003e\n\u003cdd\u003eVehicle Specific Fit\u003c\/dd\u003e\n \u003cdt\u003eOther Attributes\u003c\/dt\u003e\n\u003cdd\u003eIncludes drain hole to prevent corrosion\/freezing; Reinforced 3mm lower wear tab\u003c\/dd\u003e\n \u003cdt\u003eWarranty\u003c\/dt\u003e\n\u003cdd\u003eAmazon.com Voluntary 30-Day Return Guarantee\u003c\/dd\u003e\n \u003c\/dl\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n \u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n \u003cul\u003e\n \u003cli\u003e1 x Stainless Steel Skeg Protector Guard (27071)\u003c\/li\u003e\n \u003cli\u003e1 x Installation Hardware Kit (includes hex key tool and thread locker sealant)\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n \u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n \u003col\u003e\n \u003cli\u003ePlace the skeg guard onto the skeg to confirm proper alignment and fit.\u003c\/li\u003e\n \u003cli\u003eUse a marker to carefully mark the drilling locations through the mounting holes on the guard.\u003c\/li\u003e\n \u003cli\u003eRemove the guard and drill the marked holes through the skeg using an appropriately sized drill bit.\u003c\/li\u003e\n \u003cli\u003eClean any burrs or metal shavings from the drilled holes.\u003c\/li\u003e\n \u003cli\u003eApply a small amount of the included thread locker sealant to the threads of the mounting bolts.\u003c\/li\u003e\n \u003cli\u003ePosition the skeg guard and securely fasten it using the provided hardware and hex key. Do not overtighten.\u003c\/li\u003e\n \u003c\/ol\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n \u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n \u003cdetails\u003e\u003csummary\u003eWill this fit my specific motor?\u003c\/summary\u003e\u003cp\u003eThis is a vehicle-specific part fitting a wide range of 40-140 HP Honda, Mercury, Nissan\/Tohatsu, and Force outboards. However, always review the Engine \u0026amp; Model Compatibility table and measure your skeg to confirm fitment before ordering.\u003c\/p\u003e\u003c\/details\u003e\n \u003cdetails\u003e\u003csummary\u003eIs drilling required for installation?\u003c\/summary\u003e\u003cp\u003eYes, this is a bolt-on protector that requires drilling two holes in your existing skeg. This ensures a secure attachment that will not come loose during operation.\u003c\/p\u003e\u003c\/details\u003e\n \u003cdetails\u003e\u003csummary\u003eWhat is the purpose of the drain hole?\u003c\/summary\u003e\u003cp\u003eThe drain hole at the bottom of the guard allows water to escape freely. This prevents trapped water from causing corrosion or freezing and expanding in cold weather, which could damage the skeg.\u003c\/p\u003e\u003c\/details\u003e\n \u003cdetails\u003e\u003csummary\u003eHow does this guard compare to the original OEM part?\u003c\/summary\u003e\u003cp\u003eThis aftermarket guard is designed to meet or exceed OEM specifications. It is constructed from high-quality 18-gauge 316 stainless steel, offering excellent protection and longevity.\u003c\/p\u003e\u003c\/details\u003e\n \u003cdetails\u003e\u003csummary\u003eWhat are the signs my skeg needs a protector?\u003c\/summary\u003e\u003cp\u003eIf your skeg has existing damage like chips, cracks, or a bent tip, a protector guard can cover the damage and prevent it from worsening. It is also an excellent preventative measure if you frequently operate in shallow or debris-filled waters.\u003c\/p\u003e\u003c\/details\u003e\n \u003cdetails\u003e\u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\u003cp\u003eThis listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.\u003c\/p\u003e\u003c\/details\u003e\n \u003cdetails\u003e\u003csummary\u003eShipping speed \u0026amp; cost\u003c\/summary\u003e\u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\u003c\/details\u003e\n \u003cdetails\u003e\u003csummary\u003eWarranty \u0026amp; returns\u003c\/summary\u003e\u003cp\u003eCovered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused \u0026amp; in original condition). See our policy page or reach out for instructions.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n \u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n \u003cul\u003e\n \u003cli\u003eVerify images\/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.\u003c\/li\u003e\n \u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n \u003cli\u003eProfessional installation is recommended for safety and performance.\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n \u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cb\u003ePro-Grade Standards\u003c\/b\u003e — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n \u003cli\u003e\n\u003cb\u003eFast Global Fulfillment\u003c\/b\u003e — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n \u003cli\u003e\n\u003cb\u003eManufacturer-Direct Value\u003c\/b\u003e — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50718234607931,"sku":"1906-27071KF","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/1906-27071KF.png?v=1762958011"},{"product_id":"transom-saver-fits-single-ram-outboard-motors-mercury-yamaha-honda-suzuki-tohatsu-evinrude-johnson-replaces-m-y-wedge-m-yu123","title":"Transom Saver – Fits Single Ram Outboard Motors (Mercury, Yamaha, Honda, Suzuki, Tohatsu, Evinrude, Johnson) (Replaces M-Y Wedge M-YU123)","description":"\u003csection\u003e\n\u003c!-- 🔧 Table Styles (include only once per page) --\u003e\n\u003cstyle\u003e\n \/* Outer container allows horizontal scrolling (with iOS momentum) *\/\n .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n\n \/* Base table styles *\/\n table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n table.ss-table th, table.ss-table td {\n padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n }\n\n \/* Key: prevent wrapping, word breaks, and vertical text in headers *\/\n table.ss-table th {\n white-space:nowrap; \/* Do not wrap *\/\n word-break:normal; \/* Don’t break words *\/\n letter-spacing:normal; \/* Prevent theme styles from stretching letters *\/\n font-weight:600;\n background:#f8fafc;\n }\n\n \/* Small screen optimization *\/\n @media (max-width:480px){\n table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n }\n\u003c\/style\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis wedge-style \u003cstrong\u003eTransom Saver – Fits Single Ram Outboard Motors (Mercury, Yamaha, Honda, Suzuki, Tohatsu, Evinrude, Johnson)\u003c\/strong\u003e is engineered to protect your boat's transom and your outboard motor’s hydraulic system during trailering. It installs on the single hydraulic ram of your trim\/tilt system, where it absorbs road shock and prevents damaging engine movement. It is designed for current single-ram systems on brands including Mercury, Yamaha, Honda, Suzuki, Evinrude, and Tohatsu.\u003c\/p\u003e\n\u003cp\u003eThis part serves as a direct replacement for interchange numbers M-Y Wedge M-YU123 and the JLM Marine Transom Saver Support.\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eInstalls in seconds without drilling by clipping directly onto the tilt shaft.\u003c\/li\u003e\n \u003cli\u003eMade from high-density EPDM rubber to withstand compression and temperature extremes.\u003c\/li\u003e\n \u003cli\u003eIncludes one transom saver wedge with 10 inner notches for a secure grip on the ram.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse this matrix to confirm equivalent references across OEM and aftermarket.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n \u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003cth\u003ePart Number\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eM-Y Wedge\u003c\/td\u003e\n \u003ctd\u003eM-YU123\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eJLM Marine\u003c\/td\u003e\n \u003ctd\u003eTransom Saver Support\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eConfirm your engine model\/year in the table below.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eMercury:\u003c\/b\u003e Fits a wide range of current 4-Stroke and 2-Stroke models with single-ram trim\/tilt systems. Note that some high-horsepower Verado and Racing models require two units per engine.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eYamaha:\u003c\/b\u003e Compatible with most modern Portable, Midrange, F115LB, and VMAX-SHO models, as well as older 2-stroke engines equipped with a single trim ram.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eHonda:\u003c\/b\u003e Designed for current BF Series outboards from 40 to 150 HP using a single-ram system.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eSuzuki:\u003c\/b\u003e Fits current DF Series 4-Stroke models from 40 to 200 HP that utilize a single main trim ram.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eEvinrude\/Johnson:\u003c\/b\u003e Supports single-ram E-TEC and legacy models from both brands up to 130 HP.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eTohatsu\/Nissan:\u003c\/b\u003e Covers a variety of current Tohatsu and older Nissan 4-Stroke outboards from 40 to 150 HP.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n \u003ctable class=\"ss-table\" aria-label=\"Engine \u0026amp; Model Compatibility\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003cth\u003eModel\u003c\/th\u003e\n \u003cth\u003eRated HP\u003c\/th\u003e\n \u003cth\u003eStroke\u003c\/th\u003e\n \u003cth\u003eYears\u003c\/th\u003e\n \u003cth\u003eNotes\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003eFour-Stroke, SeaPro\u003c\/td\u003e\n \u003ctd\u003e40-175 HP\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003eCurrent models\u003c\/td\u003e\n \u003ctd\u003eSingle main tilt shaft\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003eProXS, SeaPro\u003c\/td\u003e\n \u003ctd\u003e40-175 HP\u003c\/td\u003e\n \u003ctd\u003e2-Stroke\/4-Stroke\u003c\/td\u003e\n \u003ctd\u003eCurrent models\u003c\/td\u003e\n \u003ctd\u003eSingle-ram trim\/tilt\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003eVerado V6\/V8\u003c\/td\u003e\n \u003ctd\u003e250-400 HP\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003eCurrent models\u003c\/td\u003e\n \u003ctd\u003eRequires TWO units\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003eRacing\u003c\/td\u003e\n \u003ctd\u003e300R-500R\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003eCurrent models\u003c\/td\u003e\n \u003ctd\u003eRequires TWO units\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003eRacing\u003c\/td\u003e\n \u003ctd\u003e60R\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003eCurrent models\u003c\/td\u003e\n \u003ctd\u003eSingle unit\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eYamaha\u003c\/td\u003e\n \u003ctd\u003ePortable\/Midrange\u003c\/td\u003e\n \u003ctd\u003e9.9-90 HP\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003eCurrent models\u003c\/td\u003e\n \u003ctd\u003eSingle-ram trim\/tilt\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eYamaha\u003c\/td\u003e\n \u003ctd\u003eF115LB\u003c\/td\u003e\n \u003ctd\u003e115 HP\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003eCurrent models\u003c\/td\u003e\n \u003ctd\u003eSingle-ram trim\/tilt\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eYamaha\u003c\/td\u003e\n \u003ctd\u003eVMAX-SHO\u003c\/td\u003e\n \u003ctd\u003e90-115 HP\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003eCurrent models\u003c\/td\u003e\n \u003ctd\u003eSingle-ram trim\/tilt\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eYamaha\u003c\/td\u003e\n \u003ctd\u003eVarious\u003c\/td\u003e\n \u003ctd\u003e30-115 HP\u003c\/td\u003e\n \u003ctd\u003e2-Stroke\u003c\/td\u003e\n \u003ctd\u003eOlder models\u003c\/td\u003e\n \u003ctd\u003eSingle-ram trim\/tilt\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eHonda\u003c\/td\u003e\n \u003ctd\u003eBF Series\u003c\/td\u003e\n \u003ctd\u003e40-150 HP\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003eCurrent models\u003c\/td\u003e\n \u003ctd\u003eSingle-ram trim\/tilt\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSuzuki\u003c\/td\u003e\n \u003ctd\u003eDF Series\u003c\/td\u003e\n \u003ctd\u003e40-200 HP\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003eCurrent models\u003c\/td\u003e\n \u003ctd\u003eSingle-ram trim\/tilt\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eEvinrude\u003c\/td\u003e\n \u003ctd\u003eE-TEC H.O. \u0026amp; Inline\u003c\/td\u003e\n \u003ctd\u003e25-130 HP\u003c\/td\u003e\n \u003ctd\u003e2-Stroke\u003c\/td\u003e\n \u003ctd\u003eUp to 2020\u003c\/td\u003e\n \u003ctd\u003eSingle-ram trim\/tilt\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eJohnson\u003c\/td\u003e\n \u003ctd\u003eVarious\u003c\/td\u003e\n \u003ctd\u003e25-130 HP\u003c\/td\u003e\n \u003ctd\u003e2-Stroke\/4-Stroke\u003c\/td\u003e\n \u003ctd\u003eOlder models\u003c\/td\u003e\n \u003ctd\u003eSingle-ram trim\/tilt\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eTohatsu\u003c\/td\u003e\n \u003ctd\u003eVarious\u003c\/td\u003e\n \u003ctd\u003e40-150 HP\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003eCurrent models\u003c\/td\u003e\n \u003ctd\u003eSingle-ram trim\/tilt\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eNissan\u003c\/td\u003e\n \u003ctd\u003eVarious\u003c\/td\u003e\n \u003ctd\u003e40-150 HP\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003eOlder models\u003c\/td\u003e\n \u003ctd\u003eSingle-ram trim\/tilt\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eTransom Saver \/ Motor Support\u003c\/dd\u003e\n \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eNo drilling; attaches directly to single ram tilt shaft\u003c\/dd\u003e\n \u003cdt\u003eConnection\u003c\/dt\u003e\n\u003cdd\u003eDirect mount to hydraulic ram\u003c\/dd\u003e\n \u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003eHigh-density EPDM rubber\u003c\/dd\u003e\n \u003cdt\u003eHousing Color\u003c\/dt\u003e\n\u003cdd\u003eBlack\u003c\/dd\u003e\n \u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003eApproximately 127 mm (5 inches) long\u003c\/dd\u003e\n \u003cdt\u003eFitting Type\u003c\/dt\u003e\n\u003cdd\u003eUniversal for single ram trim\/tilt systems\u003c\/dd\u003e\n \u003cdt\u003eWorking Pressure\u003c\/dt\u003e\n\u003cdd\u003eOver 907 kg (2,000 lbs) compression rating\u003c\/dd\u003e\n \u003cdt\u003eOperating Temperature\u003c\/dt\u003e\n\u003cdd\u003eRated for extreme hot\/cold temperatures\u003c\/dd\u003e\n \u003cdt\u003eWarranty\u003c\/dt\u003e\n\u003cdd\u003e1 year against manufacturing defects (JLM Marine)\u003c\/dd\u003e\n \u003cdt\u003eOther Technical Attributes\u003c\/dt\u003e\n\u003cdd\u003eFeatures 10 inner notches to ensure secure connection to tilt shaft\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e1\u003c\/span\u003e x Transom Saver Wedge\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n \u003cli\u003eTilt your outboard motor to its highest position to fully extend the trim\/tilt ram.\u003c\/li\u003e\n \u003cli\u003eSecurely clip the transom saver wedge onto the exposed single hydraulic ram shaft.\u003c\/li\u003e\n \u003cli\u003eSlowly lower the motor until it applies firm pressure to the wedge, creating a stable cushion.\u003c\/li\u003e\n \u003cli\u003eBefore trailering, always confirm the motor is snug against the wedge and cannot bounce or sway.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eHow do I know if this wedge fits my outboard motor?\u003c\/summary\u003e\u003cp\u003eThis transom saver is designed for outboard motors with a single main trim\/tilt ram. Check our compatibility table for specific brands, models, and HP ranges. If your motor has twin rams (like some high-HP Mercury Verado models), you will need two units. Always visually inspect your motor's hydraulic system to confirm it has one central ram before ordering.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this better than a traditional transom saver bar?\u003c\/summary\u003e\u003cp\u003eA wedge-style saver offers a different approach. It stabilizes the engine by cushioning the hydraulics, absorbing road shock directly at the ram. Traditional bars transfer this force to the trailer frame. Wedges are faster to install, require no drilling, and take up less storage space. The best choice depends on your boat, trailer configuration, and personal preference.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eMy Mercury Verado requires two units. How do I install them?\u003c\/summary\u003e\u003cp\u003eFor engines like the Mercury Verado V6\/V8 and some Racing models that have two hydraulic trim rams, you must use two transom saver wedges. Place one wedge on each of the two rams before lowering the engine. This ensures the load is distributed evenly, providing stable support during transit.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow often should I inspect the transom saver?\u003c\/summary\u003e\u003cp\u003eInspect the wedge before each use. Look for any signs of cracking, splitting, or deformation in the rubber. Exposure to UV rays, fuel, or oil can degrade the material over time. Replace it immediately if you notice any damage that could compromise its ability to support the engine.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat are the signs of a failing transom saver?\u003c\/summary\u003e\u003cp\u003eA failing wedge may show visible cracks or have a \"squashed\" appearance, indicating it has lost its compressive strength. During trailering, you might notice more engine bounce than usual. If the wedge no longer fits snugly on the ram or falls off easily, it's time for a replacement.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I trim my motor up or down with the wedge installed?\u003c\/summary\u003e\u003cp\u003eNo. The wedge is designed to lock the engine in a partially tilted position for trailering only. Attempting to operate the trim\/tilt system with the wedge installed can damage the hydraulic pump, the motor, or the wedge itself. Always remove it before launching your boat or operating the engine.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\u003cp\u003eThis listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eShipping speed \u0026amp; cost?\u003c\/summary\u003e\u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWarranty \u0026amp; returns?\u003c\/summary\u003e\u003cp\u003eCovered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused \u0026amp; in original condition). See our policy page or reach out for instructions.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003eVerify images\/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.\u003c\/li\u003e\n \u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n \u003cli\u003eProfessional installation is recommended for safety and performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cb\u003ePro-Grade Standards\u003c\/b\u003e — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n \u003cli\u003e\n\u003cb\u003eFast Global Fulfillment\u003c\/b\u003e — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n \u003cli\u003e\n\u003cb\u003eManufacturer-Direct Value\u003c\/b\u003e — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50718234673467,"sku":"QM-CylinderTSYellow","price":32.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/QM-CylinderTSYellow.png?v=1762958014"},{"product_id":"hydrofoil-stabilizer-fits-yamaha-honda-suzuki-tohatsu-5-150-hp-replaces-seasierra-fo2001","title":"Hydrofoil Stabilizer – Fits Yamaha, Honda, Suzuki, Tohatsu 5-150 HP (Replaces SeaSierra FO2001)","description":"\u003c!-- 🔧 Table Styles (include only once per page) --\u003e\n\u003cstyle\u003e\n \/* Outer container allows horizontal scrolling (with iOS momentum) *\/\n .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n\n \/* Base table styles *\/\n table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n table.ss-table th, table.ss-table td {\n padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n }\n\n \/* Key: prevent wrapping, word breaks, and vertical text in headers *\/\n table.ss-table th {\n white-space:nowrap; \/* Do not wrap *\/\n word-break:normal; \/* Don’t break words *\/\n letter-spacing:normal; \/* Prevent theme styles from stretching letters *\/\n font-weight:600;\n background:#f8fafc;\n }\n\n \/* Small screen optimization *\/\n @media (max-width:480px){\n table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n }\n\u003c\/style\u003e\n\u003csection\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis marine \u003cstrong\u003eHydrofoil Stabilizer\u003c\/strong\u003e improves planing and stability for most outboard motors and stern drives from 5 to 150 HP. It is compatible with a wide range of Yamaha, Mercury, Honda, Suzuki, Tohatsu, Johnson, and Evinrude outboards, as well as Mercruiser and OMC stern drives, for both 2-Stroke and 4-Stroke engines.\u003c\/p\u003e\n\u003cp\u003eThis part is a direct replacement for SeaSierra FO2001, UanofCn FO2001, QuickMarine HS001, and NorthBoat HS001.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEasy bolt-on installation onto the anti-ventilation plate.\u003c\/li\u003e\n\u003cli\u003eConstructed from durable, UV-resistant Marine Grade Nylon PA66 plastic.\u003c\/li\u003e\n\u003cli\u003eIncludes all necessary stainless steel mounting hardware and a drill bit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse this matrix to confirm equivalent references across OEM and aftermarket.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n \u003ctable class=\"ss-table\" aria-label=\"Part Number Cross-Reference\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003cth\u003ePart Number\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eSeaSierra\u003c\/td\u003e\n \u003ctd\u003eFO2001\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eUanofCn\u003c\/td\u003e\n \u003ctd\u003eFO2001\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eQuickMarine\u003c\/td\u003e\n \u003ctd\u003eHS001\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eNorthBoat\u003c\/td\u003e\n \u003ctd\u003eHS001\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eConfirm your engine model\/year in the table below.\u003c\/p\u003e\n\u003cp\u003eThis hydrofoil offers a universal fit for most outboards and stern drives within the specified 5-150 HP range. No specific model year limitations are noted, but always verify dimensions before installation.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n \u003ctable class=\"ss-table\" aria-label=\"Engine and Model Compatibility\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003cth\u003eModel\u003c\/th\u003e\n \u003cth\u003eRated HP\u003c\/th\u003e\n \u003cth\u003eStroke\u003c\/th\u003e\n \u003cth\u003eNotes\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eYamaha\u003c\/td\u003e\n \u003ctd\u003eAll Outboards\u003c\/td\u003e\n \u003ctd\u003e5-150 HP\u003c\/td\u003e\n \u003ctd\u003e2-Stroke \u0026amp; 4-Stroke\u003c\/td\u003e\n \u003ctd\u003eUniversal fit\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eHonda\u003c\/td\u003e\n \u003ctd\u003eAll Outboards\u003c\/td\u003e\n \u003ctd\u003e5-150 HP\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003eUniversal fit\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSuzuki\u003c\/td\u003e\n \u003ctd\u003eAll Outboards\u003c\/td\u003e\n \u003ctd\u003e5-150 HP\u003c\/td\u003e\n \u003ctd\u003e2-Stroke \u0026amp; 4-Stroke\u003c\/td\u003e\n \u003ctd\u003eUniversal fit\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eTohatsu\u003c\/td\u003e\n \u003ctd\u003eAll Outboards\u003c\/td\u003e\n \u003ctd\u003e5-150 HP\u003c\/td\u003e\n \u003ctd\u003e2-Stroke \u0026amp; 4-Stroke\u003c\/td\u003e\n \u003ctd\u003eUniversal fit\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003eAll Outboards\u003c\/td\u003e\n \u003ctd\u003e5-150 HP\u003c\/td\u003e\n \u003ctd\u003e2-Stroke \u0026amp; 4-Stroke\u003c\/td\u003e\n \u003ctd\u003eUniversal fit\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eJohnson\u003c\/td\u003e\n \u003ctd\u003eAll Outboards\u003c\/td\u003e\n \u003ctd\u003e5-150 HP\u003c\/td\u003e\n \u003ctd\u003e2-Stroke\u003c\/td\u003e\n \u003ctd\u003eUniversal fit\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eEvinrude\u003c\/td\u003e\n \u003ctd\u003eAll Outboards\u003c\/td\u003e\n \u003ctd\u003e5-150 HP\u003c\/td\u003e\n \u003ctd\u003e2-Stroke\u003c\/td\u003e\n \u003ctd\u003eUniversal fit\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercruiser\u003c\/td\u003e\n \u003ctd\u003eAll Stern Drives\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003eUniversal fit\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eOMC\u003c\/td\u003e\n \u003ctd\u003eAll Stern Drives\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003eUniversal fit\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eHydrofoil Stabilizer (Dorsal Fin Style)\u003c\/dd\u003e\n \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eBolt-on with included hardware\u003c\/dd\u003e\n \u003cdt\u003eConnection\u003c\/dt\u003e\n\u003cdd\u003eDirect mount to anti-ventilation plate\u003c\/dd\u003e\n \u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003eMarine Grade Nylon PA66 Plastic (UV-resistant)\u003c\/dd\u003e\n \u003cdt\u003eHousing Color\u003c\/dt\u003e\n\u003cdd\u003eGrey (Also available in Black, Blue, White, Yellow)\u003c\/dd\u003e\n \u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003eH: 10.25 inches (260.4 mm), W: 8.25 inches (209.6 mm)\u003c\/dd\u003e\n \u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e2.41 pounds (1.09 kg)\u003c\/dd\u003e\n \u003cdt\u003eFitting Type\u003c\/dt\u003e\n\u003cdd\u003eBolt-through with included stainless steel hardware\u003c\/dd\u003e\n \u003cdt\u003eMaximum Supported Horsepower\u003c\/dt\u003e\n\u003cdd\u003e150 HP\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e1 x Hydrofoil Stabilizer (FO2001)\u003c\/li\u003e\n \u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e4 x Sets\u003c\/span\u003e Stainless Steel Screws and Nuts\u003c\/li\u003e\n \u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e1 x 6.5mm\u003c\/span\u003e Drill Bit\u003c\/li\u003e\n \u003cli\u003e1 x Installation Instruction\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n \u003cli\u003eTemporarily position the hydrofoil onto your engine's anti-ventilation plate to find the optimal placement. Ensure it is centered and does not interfere with the propeller's movement.\u003c\/li\u003e\n \u003cli\u003eMark the four drill hole locations on the plate using the hydrofoil as a template.\u003c\/li\u003e\n \u003cli\u003eRemove the hydrofoil and carefully drill the marked holes using the included \u003cspan style=\"color:#d0021b;\"\u003e6.5mm drill bit\u003c\/span\u003e.\u003c\/li\u003e\n \u003cli\u003ePlace the hydrofoil back onto the plate, align the holes, and insert the stainless steel bolts.\u003c\/li\u003e\n \u003cli\u003eSecurely tighten the nuts, ensuring the hydrofoil is firmly attached. Do not overtighten to avoid damaging the plate or hydrofoil.\u003c\/li\u003e\n \u003cli\u003eDouble-check all hardware for tightness before operating your boat.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n \u003csummary\u003eHow do I know if this hydrofoil will fit my motor?\u003c\/summary\u003e\n \u003cp\u003eThis hydrofoil is designed for universal fit on most outboard and stern drive motors from 5 to 150 HP. Please check the dimensions (H: 10.25\", W: 8.25\") and ensure your anti-ventilation plate can accommodate the bolt-on installation before purchasing.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n \u003csummary\u003eWhat tools are required for installation?\u003c\/summary\u003e\n \u003cp\u003eInstallation requires a drill. The kit conveniently includes a 6.5mm drill bit and all necessary stainless steel screws and nuts.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n \u003csummary\u003eWill this hydrofoil improve hole shot and reduce cavitation?\u003c\/summary\u003e\n \u003cp\u003eYes, a properly installed hydrofoil is designed to help the boat get on plane faster (improving hole shot), maintain planing at lower speeds, and reduce or eliminate propeller ventilation and cavitation, leading to a smoother ride and better fuel economy.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n \u003csummary\u003eWhat are the signs that a hydrofoil needs to be replaced?\u003c\/summary\u003e\n \u003cp\u003eInspect the hydrofoil regularly for signs of stress cracks, chips, or fractures, especially around the mounting points. Any visible damage can compromise performance and safety, indicating it's time for a replacement.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n \u003csummary\u003eHow is this aftermarket hydrofoil different from an OEM version?\u003c\/summary\u003e\n \u003cp\u003eWhile many motor brands don't offer hydrofoils as standard OEM parts, our aftermarket stabilizer is engineered to meet or exceed industry standards for performance and durability. It provides a cost-effective solution for improving your boat's handling characteristics.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n \u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\n \u003cp\u003eThis listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n \u003csummary\u003eShipping speed \u0026amp; cost\u003c\/summary\u003e\n \u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n \u003csummary\u003eWarranty \u0026amp; returns\u003c\/summary\u003e\n \u003cp\u003eCovered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused \u0026amp; in original condition). See our policy page or reach out for instructions.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003eVerify images\/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.\u003c\/li\u003e\n \u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n \u003cli\u003eProfessional installation is recommended for safety and performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003ePro-Grade Standards\u003c\/strong\u003e — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFast Global Fulfillment\u003c\/strong\u003e — Free standard delivery to most regions in 5–15 days.\n \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer-Direct Value\u003c\/strong\u003e — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50718234739003,"sku":"SS-19HS001-G","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/SS-19HS001-G.png?v=1762958017"},{"product_id":"lower-unit-gear-lube-oil-pump-fits-mercury-mercruiser-yamaha-honda-suzuki-replaces-multiple-oem-adaptors","title":"Lower Unit Gear Lube Oil Pump – Fits Mercury\/Mercruiser, Yamaha, Honda, Suzuki (Replaces Multiple OEM Adaptors)","description":"\u003c!-- 🔧 Table Styles (include only once per page) --\u003e\n\u003cstyle\u003e\n \/* Outer container allows horizontal scrolling (with iOS momentum) *\/\n .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n\n \/* Base table styles *\/\n table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n table.ss-table th, table.ss-table td {\n padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n }\n\n \/* Key: prevent wrapping, word breaks, and vertical text in headers *\/\n table.ss-table th {\n white-space:nowrap; \/* Do not wrap *\/\n word-break:normal; \/* Don’t break words *\/\n letter-spacing:normal; \/* Prevent theme styles from stretching letters *\/\n font-weight:600;\n background:#f8fafc;\n }\n\n \/* Small screen optimization *\/\n @media (max-width:480px){\n table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n }\n\u003c\/style\u003e\n\n\u003csection\u003e\n \u003ch2\u003eProduct Details\u003c\/h2\u003e\n \u003cp\u003eThis \u003cstrong\u003eMarine Lower Unit Gear Lube Oil Pump\u003c\/strong\u003e is designed to cleanly and efficiently transfer gear oil into the lower units of most outboard motors and stern drives. The pump fits directly onto standard quart bottles with 28mm caps and comes with a set of interchangeable adapters for broad compatibility with major marine engine brands.\u003c\/p\u003e\n \u003cp\u003eThe included adapters allow this single pump to replace multiple OEM-specific tools, providing equivalents for Mercury\/Mercruiser (3\/8\"-16), Yamaha, Honda, Suzuki, and other foreign outboards (8mm\/10mm).\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003eFeatures a simple, manual hand-pump operation with a delivery volume of 8-10cc per stroke for precise filling.\u003c\/li\u003e\n \u003cli\u003eIncludes three metal fill port adapters and two suction tube sizes to fit different bottle heights and engine types.\u003c\/li\u003e\n \u003cli\u003eEngineered for use with gear oil only.\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n \u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n \u003cp\u003eUse this matrix to confirm equivalent references across OEM and aftermarket.\u003c\/p\u003e\n \u003cdiv class=\"ss-table-wrap\"\u003e\n \u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003cth\u003ePart Number\u003c\/th\u003e\n \u003cth\u003eNotes\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury \/ Mercruiser\u003c\/td\u003e\n \u003ctd\u003e830749\u003c\/td\u003e\n \u003ctd\u003eGasket part number\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury \/ Mercruiser\u003c\/td\u003e\n \u003ctd\u003e8M0204693\u003c\/td\u003e\n \u003ctd\u003eAdapter part number reference\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n \u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n \u003cp\u003eConfirm your engine model\/year in the table below.\u003c\/p\u003e\n \u003cp\u003eThis pump fits most Mercury, Mercruiser, and other US-made outboards or sterndrives using the included 3\/8\"-16 swivel adapter. Some Johnson\/Evinrude models may require a different adapter.\u003c\/p\u003e\n \u003cp\u003eIt is also compatible with most foreign outboard models from brands like Yamaha, Honda, Suzuki, Nissan, and Tohatsu using the 8mm or 10mm threaded adapters.\u003c\/p\u003e\n \u003cdiv class=\"ss-table-wrap\"\u003e\n \u003ctable class=\"ss-table\" aria-label=\"Engine \u0026amp; Model Compatibility\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003cth\u003eModel\u003c\/th\u003e\n \u003cth\u003eRated HP\u003c\/th\u003e\n \u003cth\u003eStroke\u003c\/th\u003e\n \u003cth\u003eOEM Part No.\u003c\/th\u003e\n \u003cth\u003eNotes\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003eF30-F400 Series\u003c\/td\u003e\n \u003ctd\u003e30-400\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003e830749, 8M0204693\u003c\/td\u003e\n \u003ctd\u003e3\/8\" adaptor\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003eD75-D300 Series\u003c\/td\u003e\n \u003ctd\u003e75-300\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003e830749, 8M0204693\u003c\/td\u003e\n \u003ctd\u003e3\/8\" adaptor\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003eE150-E250 Series\u003c\/td\u003e\n \u003ctd\u003e150-250\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003e830749, 8M0204693\u003c\/td\u003e\n \u003ctd\u003e3\/8\" adaptor\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercruiser\u003c\/td\u003e\n \u003ctd\u003eAlpha\/Bravo Sterndrives\u003c\/td\u003e\n \u003ctd\u003eVarious\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003e830749, 8M0204693\u003c\/td\u003e\n \u003ctd\u003e3\/8\" adaptor\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eYamaha\u003c\/td\u003e\n \u003ctd\u003eMost outboards\u003c\/td\u003e\n \u003ctd\u003eVarious\u003c\/td\u003e\n \u003ctd\u003e2 \u0026amp; 4-Stroke\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e8mm or 10mm adaptor\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eHonda\u003c\/td\u003e\n \u003ctd\u003eMost outboards\u003c\/td\u003e\n \u003ctd\u003eVarious\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e8mm or 10mm adaptor\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSuzuki\u003c\/td\u003e\n \u003ctd\u003eMost outboards\u003c\/td\u003e\n \u003ctd\u003eVarious\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e8mm or 10mm adaptor\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eNissan\/Tohatsu\u003c\/td\u003e\n \u003ctd\u003eMost outboards\u003c\/td\u003e\n \u003ctd\u003eVarious\u003c\/td\u003e\n \u003ctd\u003e2 \u0026amp; 4-Stroke\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e8mm or 10mm adaptor\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n \u003ctd\u003eMany models\u003c\/td\u003e\n \u003ctd\u003eVarious\u003c\/td\u003e\n \u003ctd\u003e2 \u0026amp; 4-Stroke\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003eSpecific applications need verification\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n \u003c\/div\u003e\n \u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e This pump is not compatible with Volvo Penta sterndrives.\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n \u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n \u003cdl\u003e\n \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eLower Unit Gear Oil Transfer Pump\u003c\/dd\u003e\n \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eManual hand pump\u003c\/dd\u003e\n \u003cdt\u003ePump Capacity\u003c\/dt\u003e\n\u003cdd\u003e8-10cc per pump stroke\u003c\/dd\u003e\n \u003cdt\u003eConnection\u003c\/dt\u003e\n\u003cdd\u003e28mm bottle cap adaptor with interchangeable fill port adaptors\u003c\/dd\u003e\n \u003cdt\u003eFitting Type\u003c\/dt\u003e\n\u003cdd\u003eMultiple adaptors: 3\/8\" swivel, 8mm, 10mm\u003c\/dd\u003e\n \u003cdt\u003eThread Size\u003c\/dt\u003e\n\u003cdd\u003e3\/8\"-16 (US outboards), 8mm-1.25, 10mm-1.25 (foreign outboards)\u003c\/dd\u003e\n \u003cdt\u003eHose Length\u003c\/dt\u003e\n\u003cdd\u003e~19.5 inch (495 mm)\u003c\/dd\u003e\n \u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e~4 ounces (113 g)\u003c\/dd\u003e\n \u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003eHigh-quality plastic, rubber, steel and aluminum alloy components\u003c\/dd\u003e\n \u003cdt\u003eHousing Color\u003c\/dt\u003e\n\u003cdd\u003eBlack\/Grey\u003c\/dd\u003e\n \u003c\/dl\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n \u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n \u003cul\u003e\n \u003cli\u003e1 x Fluid Pump with 28mm Bottle Cap Adaptor\u003c\/li\u003e\n \u003cli\u003e1 x 3\/8\" Swivel Adapter\u003c\/li\u003e\n \u003cli\u003e1 x 8mm Metal Adapter (8mm-1.25 male x 3\/8\"-16 female)\u003c\/li\u003e\n \u003cli\u003e1 x 10mm Metal Adapter (10mm-1.25 male x 3\/8\"-16 female)\u003c\/li\u003e\n \u003cli\u003e2 x Rigid Suction Tubes (13cm, 15cm)\u003c\/li\u003e\n \u003cli\u003e1 x Flexible Clear Fill Tube (19.5 inch\/495mm)\u003c\/li\u003e\n \u003cli\u003e\u003cspan style=\"color:#d0021b;\"\u003e2 x Oil Drain Plug Gaskets (for Mercury outboards, 830749)\u003c\/span\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n \u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n \u003col\u003e\n \u003cli\u003eSelect the correct rigid suction tube for your gear lube bottle and attach it firmly to the pump base.\u003c\/li\u003e\n \u003cli\u003eScrew the pump securely onto the standard quart gear lube bottle (28mm cap).\u003c\/li\u003e\n \u003cli\u003eChoose the appropriate adapter for your engine's lower unit: 3\/8\" for Mercury\/Mercruiser, or 8mm\/10mm for most foreign brands.\u003c\/li\u003e\n \u003cli\u003eAttach the adapter to the flexible clear fill tube.\u003c\/li\u003e\n \u003cli\u003ePosition a drain pan under the lower unit and remove both the upper vent and lower fill screws.\u003c\/li\u003e\n \u003cli\u003eAllow all old gear oil to drain completely.\u003c\/li\u003e\n \u003cli\u003eInsert the fill tube with adapter into the lower drain screw hole.\u003c\/li\u003e\n \u003cli\u003ePump new lube into the gear case until fluid begins to flow out of the upper vent hole, which indicates it is full.\u003c\/li\u003e\n \u003cli\u003eRe-install the upper vent screw plug first.\u003c\/li\u003e\n \u003cli\u003eQuickly remove the fill tube and re-install the lower drain screw plug.\u003c\/li\u003e\n \u003cli\u003eTighten both plugs to the manufacturer's specified torque and wipe the area clean. Check for leaks after a short period.\u003c\/li\u003e\n \u003c\/ol\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n \u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWhich adapter do I use for my engine?\u003c\/summary\u003e\n \u003cp\u003eUse the 3\/8\"-16 swivel adapter for most Mercury, Mercruiser, and other US-made outboards. Use the 8mm or 10mm adapters for most Yamaha, Honda, Suzuki, Nissan, and Tohatsu models. Always check your engine's fill plug thread size to confirm.\u003c\/p\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eIs this pump compatible with Volvo Penta sterndrives?\u003c\/summary\u003e\n \u003cp\u003eNo, this pump kit is generally not compatible with Volvo Penta sterndrives, which often require a different type of adapter not included in this kit.\u003c\/p\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eThe pump isn't drawing oil from the bottle. What's wrong?\u003c\/summary\u003e\n \u003cp\u003eEnsure the suction tube is firmly attached and reaches the bottom of the bottle. Check that the pump is screwed tightly onto the bottle to create a proper seal. Also, make sure all connections, including the hose and adapters, are secure and hand-tightened.\u003c\/p\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWhat are the included gaskets for?\u003c\/summary\u003e\n \u003cp\u003eThe kit includes two oil drain plug gaskets specifically for Mercury and Mercruiser outboards (replaces OEM part 830749), providing a fresh seal for your gear lube change.\u003c\/p\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eHow much fluid is transferred with each pump?\u003c\/summary\u003e\n \u003cp\u003eThe pump delivers approximately 8-10cc of fluid per full stroke, allowing for controlled and efficient filling without waste.\u003c\/p\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\n \u003cp\u003eThis listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.\u003c\/p\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eShipping speed \u0026amp; cost?\u003c\/summary\u003e\n \u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWarranty \u0026amp; returns?\u003c\/summary\u003e\n \u003cp\u003eCovered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused \u0026amp; in original condition). See our policy page or reach out for instructions.\u003c\/p\u003e\n \u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n \u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n \u003cul\u003e\n \u003cli\u003eVerify images\/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.\u003c\/li\u003e\n \u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n \u003cli\u003eProfessional installation is recommended for safety and performance.\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection\u003e\n \u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n \u003cul\u003e\n \u003cli\u003ePro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n \u003cli\u003eFast Global Fulfillment — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n \u003cli\u003eManufacturer-Direct Value — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/section\u003e\n","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50718235197755,"sku":"QIhG4540uDj","price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/QIhG4540uDj.png?v=1762958041"},{"product_id":"hydrofoil-stabilizer-fits-outboard-motors-40-300-hp-replaces-seasierra-fo2003","title":"Hydrofoil Stabilizer – Fits Outboard Motors 40-300 HP (Replaces SeaSierra FO2003)","description":"\u003csection\u003e\u003c!-- 🔧 Table Styles (include only once per page) --\u003e\n\u003cstyle\u003e\n\/* Outer container allows horizontal scrolling (with iOS momentum) *\/\n.ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n\n\/* Base table styles *\/\ntable.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\ntable.ss-table th, table.ss-table td {\n padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n}\n\n\/* Key: prevent wrapping, word breaks, and vertical text in headers *\/\ntable.ss-table th {\n white-space:nowrap; \/* Do not wrap *\/\n word-break:normal; \/* Don’t break words *\/\n letter-spacing:normal; \/* Prevent theme styles from stretching letters *\/\n font-weight:600;\n background:#f8fafc;\n}\n\n\/* Small screen optimization *\/\n@media (max-width:480px){\n table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n}\n\u003c\/style\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003eMarine Whale Tail Hydrofoil Stabilizer\u003c\/strong\u003e is designed to enhance performance for most outboard and stern drive motors from 40 to 300 HP. By providing lift and stability, it improves handling, reduces planing time, and eliminates common issues like porpoising and cavitation, ensuring a smoother and more efficient ride.\u003c\/p\u003e\n\u003cp\u003eThis part serves as a direct replacement for interchange numbers SeaSierra FO2003, NorthBoat FO2003, SupremeMarine FO2003, and UANOFCN FO2003.\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eInstallation involves drilling and mounting directly onto the anti-cavitation plate.\u003c\/li\u003e\n \u003cli\u003eConstructed from high-strength, reinforced Nylon PA66 marine-grade plastic for durability.\u003c\/li\u003e\n \u003cli\u003eComes as a complete kit with stainless steel mounting hardware and a drill bit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse this matrix to confirm equivalent references across OEM and aftermarket.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n \u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003cth\u003ePart Number\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eSeaSierra\u003c\/td\u003e\n \u003ctd\u003eFO2003\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eNorthBoat\u003c\/td\u003e\n \u003ctd\u003eFO2003\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSupremeMarine\u003c\/td\u003e\n \u003ctd\u003eFO2003\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eUANOFCN\u003c\/td\u003e\n \u003ctd\u003eFO2003\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eConfirm your engine model and year in the tables below. This hydrofoil fits a wide range of outboard motors from 40-300 HP, with some specific exceptions noted in the incompatible models list.\u003c\/p\u003e\n\n\u003cdiv class=\"ss-table-wrap\"\u003e\n \u003ctable class=\"ss-table\" aria-label=\"Compatible Engine Models\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003cth\u003eModel\u003c\/th\u003e\n \u003cth\u003eRated HP\u003c\/th\u003e\n \u003cth\u003eStroke\u003c\/th\u003e\n \u003cth\u003eYears\u003c\/th\u003e\n \u003cth\u003eOEM Part No.\u003c\/th\u003e\n \u003cth\u003eNotes\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003eVarious\u003c\/td\u003e\n \u003ctd\u003e40–300 HP\u003c\/td\u003e\n \u003ctd\u003e2-Stroke \u0026amp; 4-Stroke\u003c\/td\u003e\n \u003ctd\u003eAll\u003c\/td\u003e\n \u003ctd\u003eFO2003\u003c\/td\u003e\n \u003ctd\u003eExcept Mercury 4-Stroke 40, 50, 60 HP\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eYamaha\u003c\/td\u003e\n \u003ctd\u003eVarious\u003c\/td\u003e\n \u003ctd\u003e40–300 HP\u003c\/td\u003e\n \u003ctd\u003e2-Stroke \u0026amp; 4-Stroke\u003c\/td\u003e\n \u003ctd\u003eAll\u003c\/td\u003e\n \u003ctd\u003eFO2003\u003c\/td\u003e\n \u003ctd\u003eExcept 350 HP models\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eJohnson\u003c\/td\u003e\n \u003ctd\u003eVarious\u003c\/td\u003e\n \u003ctd\u003e40–300 HP\u003c\/td\u003e\n \u003ctd\u003e2-Stroke \u0026amp; 4-Stroke\u003c\/td\u003e\n \u003ctd\u003eAll\u003c\/td\u003e\n \u003ctd\u003eFO2003\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eEvinrude\u003c\/td\u003e\n \u003ctd\u003eVarious\u003c\/td\u003e\n \u003ctd\u003e40–300 HP\u003c\/td\u003e\n \u003ctd\u003e2-Stroke \u0026amp; 4-Stroke\u003c\/td\u003e\n \u003ctd\u003eAll\u003c\/td\u003e\n \u003ctd\u003eFO2003\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eHonda\u003c\/td\u003e\n \u003ctd\u003eVarious\u003c\/td\u003e\n \u003ctd\u003e40–300 HP\u003c\/td\u003e\n \u003ctd\u003e2-Stroke \u0026amp; 4-Stroke\u003c\/td\u003e\n \u003ctd\u003eAll\u003c\/td\u003e\n \u003ctd\u003eFO2003\u003c\/td\u003e\n \u003ctd\u003eExcept 200 HP and higher\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSuzuki\u003c\/td\u003e\n \u003ctd\u003eVarious\u003c\/td\u003e\n \u003ctd\u003e40–300 HP\u003c\/td\u003e\n \u003ctd\u003e2-Stroke \u0026amp; 4-Stroke\u003c\/td\u003e\n \u003ctd\u003eAll\u003c\/td\u003e\n \u003ctd\u003eFO2003\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eTohatsu\u003c\/td\u003e\n \u003ctd\u003eVarious\u003c\/td\u003e\n \u003ctd\u003e40–300 HP\u003c\/td\u003e\n \u003ctd\u003e2-Stroke \u0026amp; 4-Stroke\u003c\/td\u003e\n \u003ctd\u003eAll\u003c\/td\u003e\n \u003ctd\u003eFO2003\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top: 1.5em;\"\u003ePlease review the specific exclusions below to ensure compatibility.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n \u003ctable class=\"ss-table\" aria-label=\"Incompatible Models\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003cth\u003eModel\u003c\/th\u003e\n \u003cth\u003eRated HP\u003c\/th\u003e\n \u003cth\u003eStroke\u003c\/th\u003e\n \u003cth\u003eYears\u003c\/th\u003e\n \u003cth\u003eNotes\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003eVarious\u003c\/td\u003e\n \u003ctd\u003e40, 50, 60 HP\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003eAll\u003c\/td\u003e\n \u003ctd\u003eIncompatible\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003eBravo II\u003c\/td\u003e\n \u003ctd\u003eVarious\u003c\/td\u003e\n \u003ctd\u003eVarious\u003c\/td\u003e\n \u003ctd\u003eAll\u003c\/td\u003e\n \u003ctd\u003eIncompatible with exhaust through cavitation plate\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003eBravo III\u003c\/td\u003e\n \u003ctd\u003eVarious\u003c\/td\u003e\n \u003ctd\u003eVarious\u003c\/td\u003e\n \u003ctd\u003eAll\u003c\/td\u003e\n \u003ctd\u003eIncompatible with only one anode on bottom of cavitation plate (rare)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eYamaha\u003c\/td\u003e\n \u003ctd\u003eVarious\u003c\/td\u003e\n \u003ctd\u003e350 HP\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003eAll\u003c\/td\u003e\n \u003ctd\u003eIncompatible\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eHonda\u003c\/td\u003e\n \u003ctd\u003eVarious\u003c\/td\u003e\n \u003ctd\u003e200+ HP\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003eAll\u003c\/td\u003e\n \u003ctd\u003eIncompatible\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eVolvo\u003c\/td\u003e\n \u003ctd\u003eVarious\u003c\/td\u003e\n \u003ctd\u003eVarious\u003c\/td\u003e\n \u003ctd\u003eVarious\u003c\/td\u003e\n \u003ctd\u003eAll\u003c\/td\u003e\n \u003ctd\u003eIncompatible with exhaust through cavitation plate\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eMarine Hydrofoil Stabilizer\u003c\/dd\u003e\n \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eAnti-cavitation plate mount (requires drilling)\u003c\/dd\u003e\n \u003cdt\u003eConnection\u003c\/dt\u003e\n\u003cdd\u003e4 mounting bolts with included hardware\u003c\/dd\u003e\n \u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003eReinforced Nylon PA66 Marine Grade Plastic\u003c\/dd\u003e\n \u003cdt\u003eHousing Color\u003c\/dt\u003e\n\u003cdd\u003eAvailable in Blue, Red, or Silver\u003c\/dd\u003e\n \u003cdt\u003ePackage Dimensions\u003c\/dt\u003e\n\u003cdd\u003e17.5 x 15 x 3 inches\u003c\/dd\u003e\n \u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e1.72 kg (3.79 lbs)\u003c\/dd\u003e\n \u003cdt\u003eFitting Type\u003c\/dt\u003e\n\u003cdd\u003eAnti-cavitation plate direct mount\u003c\/dd\u003e\n \u003cdt\u003eHardware\u003c\/dt\u003e\n\u003cdd\u003eStainless steel mounting hardware included\u003c\/dd\u003e\n \u003cdt\u003eWarranty\u003c\/dt\u003e\n\u003cdd\u003e90 Days (manufacturer dependent)\u003c\/dd\u003e\n \u003cdt\u003eOther Technical Attributes\u003c\/dt\u003e\n\u003cdd\u003eCrescent-shaped surface channels water for improved thrust; eliminates porpoising, cavitation, and chine walking\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e1 x Hydrofoil Stabilizer (FO2003)\u003c\/li\u003e\n \u003cli\u003e\u003cspan style=\"color:#d0021b;\"\u003e4 x Set of Stainless Steel Screws and Nuts\u003c\/span\u003e\u003c\/li\u003e\n \u003cli\u003e1 x Drill Bit (6.5mm)\u003c\/li\u003e\n \u003cli\u003e1 x Installation Instruction\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n \u003cli\u003eCenter the hydrofoil on the motor's anti-cavitation plate. Ensure it does not interfere with the propeller or steering.\u003c\/li\u003e\n \u003cli\u003eMark the positions for the four mounting holes through the hydrofoil onto the plate.\u003c\/li\u003e\n \u003cli\u003eRemove the hydrofoil and carefully drill the marked holes using the included 6.5mm drill bit.\u003c\/li\u003e\n \u003cli\u003ePlace the hydrofoil back onto the plate, aligning the holes.\u003c\/li\u003e\n \u003cli\u003eInsert the stainless steel bolts from the top and secure them with the nuts from the bottom.\u003c\/li\u003e\n \u003cli\u003eTighten all four bolts firmly and evenly. Check for a secure fit before operating the boat.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n \u003csummary\u003eHow do I know if this hydrofoil will fit my motor?\u003c\/summary\u003e\n \u003cp\u003eThis stabilizer is designed for a universal fit on most 40-300 HP outboard and sterndrive motors. Please review the compatibility tables and, specifically, the list of known incompatible models. If your engine is listed as incompatible, this part will not fit.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n \u003csummary\u003eIs drilling required for installation?\u003c\/summary\u003e\n \u003cp\u003eYes, installation requires drilling four holes into your motor's anti-cavitation plate. The package includes a drill bit and all necessary stainless steel mounting hardware.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n \u003csummary\u003eWhat benefits can I expect after installation?\u003c\/summary\u003e\n \u003cp\u003eThe hydrofoil improves performance by getting the boat on plane faster, increasing stability at low speeds, reducing fuel consumption, and eliminating common issues like porpoising, cavitation, and chine walking for a smoother ride.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n \u003csummary\u003eWill this stop my boat from porpoising?\u003c\/summary\u003e\n \u003cp\u003eYes, one of the primary functions of this hydrofoil is to reduce or completely eliminate porpoising by providing stabilizing lift at the stern of the boat.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n \u003csummary\u003eMy motor is a Mercury 60 HP 4-Stroke. Will this fit?\u003c\/summary\u003e\n \u003cp\u003eNo, per the incompatibility list, this hydrofoil is not compatible with Mercury 4-stroke motors rated at 40, 50, or 60 HP.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n \u003csummary\u003eHow does this aftermarket part compare to an original?\u003c\/summary\u003e\n \u003cp\u003eThis hydrofoil is an aftermarket replacement for parts like the NorthBoat FO2003. It is designed to meet or exceed original specifications for fit and function, using high-quality marine-grade materials.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n \u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\n \u003cp\u003eThis listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n \u003csummary\u003eShipping speed \u0026amp; cost\u003c\/summary\u003e\n \u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n \u003csummary\u003eWarranty \u0026amp; returns\u003c\/summary\u003e\n \u003cp\u003eCovered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused \u0026amp; in original condition). See our policy page or reach out for instructions.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003eVerify images\/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.\u003c\/li\u003e\n \u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n \u003cli\u003eProfessional installation is recommended for safety and performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003ePro-Grade Standards\u003c\/strong\u003e — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFast Global Fulfillment\u003c\/strong\u003e — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eManufacturer-Direct Value\u003c\/strong\u003e — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50718235427131,"sku":"FO2003-Blue","price":63.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/FO2003-Blue.png?v=1762958051"},{"product_id":"lower-unit-drain-plug-gasket-fits-mercury-mercruiser-evinrude-replaces-12-19183-3-18-2244","title":"Lower Unit Drain Plug Gasket – Fits Mercury, Mercruiser, Evinrude (Replaces 12-19183-3, 18-2244)","description":"\u003cstyle\u003e\n\/* Outer container allows horizontal scrolling (with iOS momentum) *\/\n.ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n\/* Base table styles *\/\ntable.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\ntable.ss-table th, table.ss-table td { padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top; }\n\/* Key: prevent wrapping, word breaks, and vertical text in headers *\/\ntable.ss-table th { white-space:nowrap; word-break:normal; letter-spacing:normal; font-weight:600; background:#f8fafc; }\n\/* Small screen optimization *\/\n@media (max-width:480px){\n table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n}\n\u003c\/style\u003e\n\u003csection\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003eLower Unit Drain Plug Gasket\u003c\/strong\u003e ensures a reliable seal for the gearcase drain and fill screws on a wide range of outboard and sterndrive models. It is directly compatible with Mercury and Mercruiser (25–400 HP, all years), as well as Evinrude, Johnson, and Tohatsu outboards that use a 3\/8-16 drain\/fill screw. It is not compatible with Japanese-origin Mercury\/Mariner models.\u003c\/p\u003e\n\u003cp\u003eThis gasket serves as a direct cross-reference for Mercury parts 12-19183, 12-19183-3, and 12-19183Q02; Sierra 18-2244 and 18-2945; SEI 98-102-09; Mallory 9-60101; and GLM 31170, among other equivalents.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInstalls on the 3\/8-16 drain\/fill screw, fitting between the screw head and the gearcase housing.\u003c\/li\u003e\n\u003cli\u003eConstructed from a durable, blue, oil-resistant sealing material (plastic\/nylon) for a long-lasting seal.\u003c\/li\u003e\n\u003cli\u003eIt is best practice to replace this gasket with every lower unit oil change to prevent leaks and water intrusion.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse this matrix to confirm equivalent references across OEM and aftermarket.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n\u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e12-19183\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e12-19183-3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e12-19183K02\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e12-19183Q02\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSierra\u003c\/td\u003e\n\u003ctd\u003e18-2244\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSierra\u003c\/td\u003e\n\u003ctd\u003e18-2945\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSEI\u003c\/td\u003e\n\u003ctd\u003e98-102-09\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMallory\u003c\/td\u003e\n\u003ctd\u003e9-60101\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMallory\u003c\/td\u003e\n\u003ctd\u003e9-60102\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGLM\u003c\/td\u003e\n\u003ctd\u003e31170\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOBR Red Rhino\u003c\/td\u003e\n\u003ctd\u003eMR-103\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eConfirm your engine model\/year in the table below.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eMercury\/Mercruiser:\u003c\/b\u003e Fits most outboards from 25 to 400 HP and all sterndrive models. Note the exclusion for models manufactured in Japan.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eEvinrude\/Johnson\/Tohatsu:\u003c\/b\u003e Broadly fits models using a 3\/8-16 drain and fill screw.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n\u003ctable class=\"ss-table\" aria-label=\"Engine \u0026amp; Model Compatibility\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eStroke\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eOEM Part No.\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eOutboards\u003c\/td\u003e\n\u003ctd\u003e25–400\u003c\/td\u003e\n\u003ctd\u003e2- \u0026amp; 4-Stroke\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003ctd\u003e12-19183-3\u003c\/td\u003e\n\u003ctd\u003eNot for Japanese-origin models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eMariner\u003c\/td\u003e\n\u003ctd\u003e25–400\u003c\/td\u003e\n\u003ctd\u003e2- \u0026amp; 4-Stroke\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003ctd\u003e12-19183-3\u003c\/td\u003e\n\u003ctd\u003eNot for Japanese-origin models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercruiser\u003c\/td\u003e\n\u003ctd\u003eAll Stern Drives\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003ctd\u003e12-19183-3\u003c\/td\u003e\n\u003ctd\u003eFor 3\/8-16 drain\/fill screws\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEvinrude\u003c\/td\u003e\n\u003ctd\u003eOutboards\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003ctd\u003e2- \u0026amp; 4-Stroke\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eFor 3\/8-16 drain\/fill screws\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJohnson\u003c\/td\u003e\n\u003ctd\u003eOutboards\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003ctd\u003e2- \u0026amp; 4-Stroke\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eFor 3\/8-16 drain\/fill screws\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eOutboards\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eFor 3\/8-16 drain\/fill screws\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n\u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eLower Unit Drain Plug Gasket\/Seal Washer\u003c\/dd\u003e\n\u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eFits between drain\/fill screw and gearcase housing\u003c\/dd\u003e\n\u003cdt\u003eConnection\u003c\/dt\u003e\n\u003cdd\u003eFor use with 3\/8-16 drain\/fill screws\u003c\/dd\u003e\n\u003cdt\u003eFitting Type\u003c\/dt\u003e\n\u003cdd\u003eWasher\/Gasket\u003c\/dd\u003e\n\u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003eOil-resistant sealing material (plastic\/nylon)\u003c\/dd\u003e\n\u003cdt\u003eHousing Color\u003c\/dt\u003e\n\u003cdd\u003eBlue\u003c\/dd\u003e\n\u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003eInner Diameter: ~9mm (0.35 in)\u003cbr\u003eOuter Diameter: ~14mm (0.55 in)\u003cbr\u003eThickness: ~1.5mm (0.06 in)\u003c\/dd\u003e\n\u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e~0.31 oz (8.8 g) per set\u003c\/dd\u003e\n\u003cdt\u003eOther Technical Attributes\u003c\/dt\u003e\n\u003cdd\u003eNot compatible with Japanese-origin Mercury\/Mariner outboards\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cp\u003ePackages available in different quantities:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e10 x\u003c\/span\u003e Lower Unit Drain Plug Seal Gasket (Replaces 12-19183-3)\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e12 x\u003c\/span\u003e Lower Unit Drain Plug Seal Gasket (Replaces 12-19183-3)\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e15 x\u003c\/span\u003e Lower Unit Drain Plug Seal Gasket (Replaces 12-19183-3)\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e20 x\u003c\/span\u003e Lower Unit Drain Plug Seal Gasket (Replaces 12-19183-3)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003ePlace a suitable oil drain pan under the lower unit.\u003c\/li\u003e\n\u003cli\u003eRemove the lower drain\/fill screw from the gearcase.\u003c\/li\u003e\n\u003cli\u003eRemove the upper-level\/vent screw to allow air to enter and oil to drain completely.\u003c\/li\u003e\n\u003cli\u003eInspect the magnetic tip of the drain screw for any unusual metal shavings.\u003c\/li\u003e\n\u003cli\u003eRemove and discard the old drain plug gasket from the screw.\u003c\/li\u003e\n\u003cli\u003eThoroughly clean the screw, its threads, and the gasket seating surface on the gearcase.\u003c\/li\u003e\n\u003cli\u003eSlide the new gasket onto the drain screw.\u003c\/li\u003e\n\u003cli\u003eOnce all oil has drained, reinstall the lower drain screw and tighten it to the manufacturer's specified torque. Do not overtighten.\u003c\/li\u003e\n\u003cli\u003eUsing a gear lube pump, fill the gearcase through the lower drain hole until fluid emerges from the upper vent hole.\u003c\/li\u003e\n\u003cli\u003eReinstall the upper vent screw, then quickly remove the pump filler tube and reinstall the lower drain screw.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow often must I replace this drain screw gasket?\u003c\/summary\u003e\n\u003cp\u003eThis gasket should be replaced every time you change your lower unit gear lube. Reusing old gaskets can lead to oil leaks and water intrusion, which may cause costly gearcase damage.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWill this gasket fit my engine?\u003c\/summary\u003e\n\u003cp\u003eThese gaskets are designed for a wide range of Mercury, Mercruiser, Evinrude, Johnson, and Tohatsu models that use a 3\/8-16 drain\/fill screw. Please consult the compatibility tables above to verify fitment. It is critical to note they are \u003cstrong\u003enot\u003c\/strong\u003e compatible with Japanese-manufactured Mercury\/Mariner outboards.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat are the signs of a failing drain plug gasket?\u003c\/summary\u003e\n\u003cp\u003eA common sign of a failed seal is a milky or cloudy appearance in your drained gear lube, which indicates water has contaminated the oil. You may also notice gear lube actively leaking from around the drain screw.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\n\u003cp\u003eThis listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eShipping speed \u0026amp; cost\u003c\/summary\u003e\n\u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWarranty \u0026amp; returns\u003c\/summary\u003e\n\u003cp\u003eCovered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused \u0026amp; in original condition). See our policy page or reach out for instructions.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eVerify images\/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.\u003c\/li\u003e\n\u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended for safety and performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003ePro-Grade Standards\u003c\/b\u003e — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFast Global Fulfillment\u003c\/b\u003e — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eManufacturer-Direct Value\u003c\/b\u003e — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50718256857403,"sku":"DZJZ0111OEM","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/DZJZ0111OEM.png?v=1762958192"},{"product_id":"transom-support-saver-fits-yamaha-mercury-suzuki-and-others-30-450-hp-replaces-quickmarine-ts004","title":"Transom Support Saver – Fits Yamaha, Mercury, Suzuki and others 30-450 HP (Replaces QuickMarine TS004)","description":"\u003cstyle\u003e\n .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n table.ss-table th, table.ss-table td { padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top; }\n table.ss-table th { white-space:nowrap; word-break:normal; letter-spacing:normal; font-weight:600; background:#f8fafc; }\n @media (max-width:480px){\n table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n }\n\u003c\/style\u003e\n\u003csection\u003e\n \u003ch2\u003eProduct Details\u003c\/h2\u003e\n \u003cp\u003eThis \u003cstrong\u003eTransom Support Saver\u003c\/strong\u003e is engineered to protect your boat’s transom and shield the outboard motor from excessive shock and vibration when trailering. It fits a wide range of marine outboard engines with single ram tilt\/trim systems, including models from Yamaha (30–115 HP, 2005–2024), Mercury (40–400 HP, 2005–2024), Suzuki (40–115 HP, 2010–2024), Tohatsu (40–60 HP, 2010–2024), Honda (40–60 HP, 2010–2024), and Johnson\/Evinrude (25–130 HP, 2005–2020).\u003c\/p\u003e\n \u003cp\u003eThis unit serves as a direct interchange for QuickMarine TS004 and the GHmarine Transom Saver for Single Ram Outboards.\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Installs manually by placing the support over the outboard's primary tilt ram.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDurability:\u003c\/strong\u003e Constructed from high-density EPDM rubber to absorb trailering stress and withstand extreme temperatures.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eIncluded Hardware:\u003c\/strong\u003e The package includes one transom saver and two outboard steer stop stabilizer clips for comprehensive support.\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n \u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n \u003cp\u003eUse this matrix to confirm equivalent references across OEM and aftermarket.\u003c\/p\u003e\n \u003cdiv class=\"ss-table-wrap\"\u003e\n \u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003cth\u003ePart Number\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eQuickMarine\u003c\/td\u003e\n \u003ctd\u003eTS004\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eGHmarine\u003c\/td\u003e\n \u003ctd\u003eTransom Saver for Single Ram Outboard\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n \u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n \u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n \u003cp\u003eConfirm your engine model and year in the table below to ensure a proper fit.\u003c\/p\u003e\n \u003cp\u003e\u003cb\u003eYamaha:\u003c\/b\u003e Fits various 4-stroke models from 30 to 115 HP, including the Vmax-SHO series, from 2005 onwards.\u003c\/p\u003e\n \u003cp\u003e\u003cb\u003eMercury:\u003c\/b\u003e Compatible with a broad range of 4-stroke engines, including ProXS, Sea Pro, Verado V6\/V8, and Racing models, from 2005 onwards.\u003c\/p\u003e\n \u003cp\u003e\u003cb\u003eSuzuki, Tohatsu, \u0026amp; Honda:\u003c\/b\u003e Fits select 4-stroke models from these brands, typically in the 40-115 HP range from 2010 onwards.\u003c\/p\u003e\n \u003cp\u003e\u003cb\u003eJohnson\/Evinrude:\u003c\/b\u003e Supports E-Tech H.O. and Inline models from 2005–2020. Note that E-TEC production ceased in 2020.\u003c\/p\u003e\n \u003cdiv class=\"ss-table-wrap\"\u003e\n \u003ctable class=\"ss-table\" aria-label=\"Engine \u0026amp; Model Compatibility\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003cth\u003eModel\u003c\/th\u003e\n \u003cth\u003eRated HP\u003c\/th\u003e\n \u003cth\u003eStroke\u003c\/th\u003e\n \u003cth\u003eYears\u003c\/th\u003e\n \u003cth\u003eNotes\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eYamaha\u003c\/td\u003e\n \u003ctd\u003eVarious 4-Stroke\u003c\/td\u003e\n \u003ctd\u003e30-115\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003e2005–2024\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eYamaha\u003c\/td\u003e\n \u003ctd\u003eVmax-SHO\u003c\/td\u003e\n \u003ctd\u003e90-115\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003e2010–2024\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003eProXS\/Sea Pro\/4-Stroke\u003c\/td\u003e\n \u003ctd\u003e40-150\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003e2005–2024\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003eVerado V8 \u0026amp; V6\u003c\/td\u003e\n \u003ctd\u003e250-400\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003e2010–2024\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003eRacing\u003c\/td\u003e\n \u003ctd\u003e300R-450R\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003e2018–2024\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSuzuki\u003c\/td\u003e\n \u003ctd\u003eDF40A-DF115B\u003c\/td\u003e\n \u003ctd\u003e40-115\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003e2010–2024\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eTohatsu\u003c\/td\u003e\n \u003ctd\u003eVarious\u003c\/td\u003e\n \u003ctd\u003e40-60\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003e2010–2024\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eHonda\u003c\/td\u003e\n \u003ctd\u003eBF Series\u003c\/td\u003e\n \u003ctd\u003e40-60\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003e2010–2024\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n \u003ctd\u003eE-Tech (H.O. \u0026amp; Inline)\u003c\/td\u003e\n \u003ctd\u003e25-130\u003c\/td\u003e\n \u003ctd\u003e2-Stroke\u003c\/td\u003e\n \u003ctd\u003e2005–2020\u003c\/td\u003e\n \u003ctd\u003eE-TEC production ended 2020\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n \u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n \u003cdl\u003e\n \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eTransom Support Saver\u003c\/dd\u003e\n \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eManual placement between tilt ram and trailer\u003c\/dd\u003e\n \u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003eHigh Density EPDM Rubber\u003c\/dd\u003e\n \u003cdt\u003eHousing Color\u003c\/dt\u003e\n\u003cdd\u003eRed (also available in Black, Yellow, Blue)\u003c\/dd\u003e\n \u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003e5\" (L) × 2.6\" (W) × 2.3\" (H) (127 × 66 × 58.4 mm)\u003c\/dd\u003e\n \u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e1.5 pounds (0.68 kg)\u003c\/dd\u003e\n \u003cdt\u003eFitting Type\u003c\/dt\u003e\n\u003cdd\u003eCompression wedge\u003c\/dd\u003e\n \u003cdt\u003eWorking Pressure\u003c\/dt\u003e\n\u003cdd\u003eOver 1100 lbs compression capacity\u003c\/dd\u003e\n \u003cdt\u003eOperating Temperature\u003c\/dt\u003e\n\u003cdd\u003eCompatible with extreme temperatures\u003c\/dd\u003e\n \u003cdt\u003eOther Features\u003c\/dt\u003e\n\u003cdd\u003eExtended wedge length for higher skeg ride height; 10 locking slots for retention\u003c\/dd\u003e\n \u003c\/dl\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n \u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n \u003cul\u003e\n \u003cli\u003e1 x Transom Saver Motor Toter Support (TS004)\u003c\/li\u003e\n \u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e2 x\u003c\/span\u003e Blue Outboard Steer Stop Stabilizer Clips\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n \u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n \u003col\u003e\n \u003cli\u003eTilt the outboard motor up to the maximum tilt position.\u003c\/li\u003e\n \u003cli\u003ePlace the transom support saver securely over the main tilt ram.\u003c\/li\u003e\n \u003cli\u003eSlowly lower the motor until the support is compressed firmly between the motor and the transom bracket.\u003c\/li\u003e\n \u003cli\u003eVerify the support is snug and will not dislodge during transit. The engine's weight should rest securely on the support.\u003c\/li\u003e\n \u003cli\u003eInstall the included steering clips on the hydraulic steering rams on both sides of the motor to prevent unwanted turning.\u003c\/li\u003e\n \u003c\/ol\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n \u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWhat is the main purpose of this transom saver?\u003c\/summary\u003e\n \u003cp\u003eIt absorbs shock and pressure exerted on your transom and engine's tilt\/trim system during trailering, preventing potential long-term damage from road vibrations and impacts.\u003c\/p\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eHow do I know if it will fit my engine?\u003c\/summary\u003e\n \u003cp\u003eThis support is designed for outboards with a single tilt\/trim ram. Please check the \"Engine \u0026amp; Model Compatibility\" list. If your model is listed, it will fit.\u003c\/p\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWhat are the included blue clips for?\u003c\/summary\u003e\n \u003cp\u003eThe two blue clips are steer stop stabilizers. They are placed on the hydraulic steering rams to prevent the engine from turning sideways during transit, providing additional stability.\u003c\/p\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eCan this be used while the boat is in the water?\u003c\/summary\u003e\n \u003cp\u003eNo, this device is designed exclusively for trailering. It must be removed before launching the boat and operating the engine.\u003c\/p\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eIs this better than a traditional transom saver bar?\u003c\/summary\u003e\n \u003cp\u003eThis style is more compact, easier to store, and often quicker to install. It works by transferring the engine's weight and stress to the motor's own framing, effectively stabilizing the motor without connecting to the trailer.\u003c\/p\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\n \u003cp\u003eThis listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.\u003c\/p\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eShipping speed \u0026amp; cost?\u003c\/summary\u003e\n \u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWarranty \u0026amp; returns?\u003c\/summary\u003e\n \u003cp\u003eCovered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused \u0026amp; in original condition). See our policy page or reach out for instructions.\u003c\/p\u003e\n \u003c\/details\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n \u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n \u003cul\u003e\n \u003cli\u003eVerify images\/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.\u003c\/li\u003e\n \u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n \u003cli\u003eProfessional installation is recommended for safety and performance.\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n \u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003ePro-Grade Standards\u003c\/strong\u003e — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFast Global Fulfillment\u003c\/strong\u003e — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eManufacturer-Direct Value\u003c\/strong\u003e — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50718262100283,"sku":"QM-OctagonTSRed-2","price":44.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/s-l1600_7.webp?v=1785295920"},{"product_id":"transom-trailer-support-fits-outboard-motors-single-ram-replaces-yiheozux-my2148-quick-marine-my2148","title":"Transom Trailer Support – Fits Outboard Motors Single Ram (Replaces YiheoZux My2148, Quick Marine My2148)","description":"\u003csection\u003e\n\u003c!-- 🔧 Table Styles (include only once per page) --\u003e\n\u003cstyle\u003e\n \/* Outer container allows horizontal scrolling (with iOS momentum) *\/\n .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n\n \/* Base table styles *\/\n table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n table.ss-table th, table.ss-table td {\n padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n }\n\n \/* Key: prevent wrapping, word breaks, and vertical text in headers *\/\n table.ss-table th {\n white-space:nowrap; \/* Do not wrap *\/\n word-break:normal; \/* Don’t break words *\/\n letter-spacing:normal; \/* Prevent theme styles from stretching letters *\/\n font-weight:600;\n background:#f8fafc;\n }\n\n \/* Small screen optimization *\/\n @media (max-width:480px){\n table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n }\n\u003c\/style\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003eTransom Trailer Support – Fits Outboard Motors with Single Ram (My2148)\u003c\/strong\u003e is designed to stabilize your outboard motor during trailering, reducing stress on the boat's transom and the engine's trim\/tilt system. It is compatible with a wide range of single-ram outboard motors from brands like Yamaha, Suzuki, Mercury, Johnson, Evinrude, Honda, and Tohatsu with various horsepower ratings.\u003c\/p\u003e\n\u003cp\u003eIt serves as a direct replacement for YiheoZux My2148 and Quick Marine My2148 transom saver kits.\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eEngineered to absorb road shock and protect the hydraulic trim and tilt unit.\u003c\/li\u003e\n \u003cli\u003eInstalls by simply clipping onto the hydraulic trim\/tilt ram.\u003c\/li\u003e\n \u003cli\u003eKit includes essential hydraulic steering cylinder locks to prevent engine wander during transit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse this matrix to confirm equivalent references across OEM and aftermarket.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n \u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003cth\u003ePart Number\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eYiheoZux\u003c\/td\u003e\n \u003ctd\u003eMy2148\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eQuick Marine\u003c\/td\u003e\n \u003ctd\u003eMy2148\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eConfirm your engine model\/year in the table below.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n \u003ctable class=\"ss-table\" aria-label=\"Engine \u0026amp; Model Compatibility\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003cth\u003eModel\u003c\/th\u003e\n \u003cth\u003eRated HP\u003c\/th\u003e\n \u003cth\u003eStroke\u003c\/th\u003e\n \u003cth\u003eNotes\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eYamaha\u003c\/td\u003e\n \u003ctd\u003eVarious\u003c\/td\u003e\n \u003ctd\u003e30-115 HP\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003eIncluding V-MAX SHO (90-115 HP)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003eProXS, Sea Pro\u003c\/td\u003e\n \u003ctd\u003e40-150 HP\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003eVerado V8 \u0026amp; V6\u003c\/td\u003e\n \u003ctd\u003e250-400 HP\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003eRacing\u003c\/td\u003e\n \u003ctd\u003e300R-450R\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSuzuki\u003c\/td\u003e\n \u003ctd\u003eDF40A-DF115B\u003c\/td\u003e\n \u003ctd\u003e40-115 HP\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eHonda\u003c\/td\u003e\n \u003ctd\u003eBF40-BF60\u003c\/td\u003e\n \u003ctd\u003e40-60 HP\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eTohatsu\u003c\/td\u003e\n \u003ctd\u003eVarious\u003c\/td\u003e\n \u003ctd\u003e40-60 HP\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n \u003ctd\u003eE-Tec (H.O. \u0026amp; Inline)\u003c\/td\u003e\n \u003ctd\u003e25-130 HP\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003ctd\u003e\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eTransom Trailer Support with Hydraulic Steering Cylinder Locks\u003c\/dd\u003e\n \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eClips around hydraulic trim\/tilt ram\u003c\/dd\u003e\n \u003cdt\u003eConnection\u003c\/dt\u003e\n\u003cdd\u003eAdjustable rubber support for outboard motor\u003c\/dd\u003e\n \u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003eHigh-strength flexible marine-grade rubber\u003c\/dd\u003e\n \u003cdt\u003eHousing Color\u003c\/dt\u003e\n\u003cdd\u003eBlack\/Red\u003c\/dd\u003e\n \u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003eTransom Saver: 127 mm × 66 mm × 58 mm (5\" × 2.6\" × 2.3\")\u003c\/dd\u003e\n \u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e0.73 kg (1.61 lbs)\u003c\/dd\u003e\n \u003cdt\u003eFitting Type\u003c\/dt\u003e\n\u003cdd\u003eClamp-on\u003c\/dd\u003e\n \u003cdt\u003eOther Technical Attributes\u003c\/dt\u003e\n\u003cdd\u003eKit contains 1 × 5\" transom saver and 2 × 4\" motor hydraulic steering cylinder locks\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e1 ×\u003c\/span\u003e Transom Saver (5\" support)\u003c\/li\u003e\n \u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e2 ×\u003c\/span\u003e Motor Hydraulic Steering Cylinder Locks (4\" each)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n \u003cli\u003eTilt your outboard motor to the full \"up\" position.\u003c\/li\u003e\n \u003cli\u003eIdentify the main hydraulic trim\/tilt ram on your motor.\u003c\/li\u003e\n \u003cli\u003eClip the transom saver securely onto the exposed ram. Ensure it is centered and stable.\u003c\/li\u003e\n \u003cli\u003eSlowly lower the motor until it makes firm contact with the transom saver, compressing it slightly. Do not apply excessive pressure.\u003c\/li\u003e\n \u003cli\u003eOnce the motor is supported, straighten the engine and attach the two hydraulic steering cylinder locks to the steering rams on either side.\u003c\/li\u003e\n \u003cli\u003eCheck that the motor is stable and does not move side-to-side before trailering.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eHow does this device protect my boat and motor?\u003c\/summary\u003e\u003cp\u003eDuring trailering, road bumps cause the outboard motor to bounce and pivot, putting significant stress on the boat's transom. This support stabilizes the motor and absorbs shocks, preventing costly damage to both the transom and the engine's hydraulic tilt system.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat are the included steering cylinder locks for?\u003c\/summary\u003e\u003cp\u003eThe two smaller locks clip onto the hydraulic steering rams. They prevent the engine from turning and \"wandering\" side-to-side during transit, which can damage steering components and create an unsafe towing condition.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with dual-ram trim systems?\u003c\/summary\u003e\u003cp\u003eNo, this particular model is specifically designed for outboard motors equipped with a single trim\/tilt ram. Using it on a dual-ram system will not provide proper support and is not recommended.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat material is it made from?\u003c\/summary\u003e\u003cp\u003eThe support is made from a high-strength, flexible marine-grade rubber compound designed to withstand UV exposure, saltwater, and the compressive forces of supporting an outboard motor without cracking or degrading.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\u003cp\u003eThis listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eShipping speed \u0026amp; cost?\u003c\/summary\u003e\u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWarranty \u0026amp; returns?\u003c\/summary\u003e\u003cp\u003eCovered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused \u0026amp; in original condition). See our policy page or reach out for instructions.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003eVerify images\/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.\u003c\/li\u003e\n \u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n \u003cli\u003eProfessional installation is recommended for safety and performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003ePro-Grade Standards\u003c\/strong\u003e — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFast Global Fulfillment\u003c\/strong\u003e — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eManufacturer-Direct Value\u003c\/strong\u003e — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50718262133051,"sku":"N6-0575-UCP2","price":28.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/N6-0575-UCP2.png?v=1762958364"},{"product_id":"thermostat-kit-122-f-50-c-fits-tohatsu-nissan-2-50-hp-replaces-345-01030-0-346-01030-0","title":"Thermostat Kit, 122°F (50°C) – Fits Selected Tohatsu and Nissan 2–50 HP Outboards","description":"\u003csection\u003e\n\u003cstyle\u003e\n .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n table.ss-table th, table.ss-table td { padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top; }\n table.ss-table th { white-space:nowrap; word-break:normal; letter-spacing:normal; font-weight:600; background:#f8fafc; }\n @media (max-width:480px){ table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; } }\n\u003c\/style\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis aftermarket \u003cstrong\u003ethermostat kit\u003c\/strong\u003e is designed for selected Tohatsu and Nissan outboard engines using a 122°F (50°C) thermostat. The listed applications cover selected 2–50 HP models, including M, MD, MF, MFS, NS, and NSD series engines. Because application can vary by model, year, serial range, and cooling-system configuration, confirm the engine model and the original thermostat part number before ordering.\u003c\/p\u003e\n\u003cp\u003eThe kit is listed as a replacement for Tohatsu references \u003cstrong\u003e345-01030-0\u003c\/strong\u003e, \u003cstrong\u003e345010300M\u003c\/strong\u003e, \u003cstrong\u003e345010301M\u003c\/strong\u003e, \u003cstrong\u003e346-01030-0\u003c\/strong\u003e, \u003cstrong\u003e346-01030-1\u003c\/strong\u003e, \u003cstrong\u003e350-01030-1\u003c\/strong\u003e, and \u003cstrong\u003e3H6-01030-0\u003c\/strong\u003e. These numbers are manufacturer or interchange references, not the seller's internal product identifier.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReplacement thermostat service kit for selected Tohatsu and Nissan outboards.\u003c\/li\u003e\n\u003cli\u003e122°F (50°C) thermostat opening-temperature rating.\u003c\/li\u003e\n\u003cli\u003eIncludes the thermostat, housing gasket, and two thermostat seals as listed.\u003c\/li\u003e\n\u003cli\u003eVerify the original part number and complete engine identification before installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse the following references to compare the thermostat with the part removed from your engine.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n\u003ctable class=\"ss-table\" aria-label=\"Part Number Cross-Reference\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003e345-01030-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003e345010300M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003e345010301M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003e346-01030-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003e346-01030-1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003e350-01030-1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003e3H6-01030-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eThe applications below are the listed model references for this thermostat kit. Model names alone may not identify every production variant; check the model code, year or serial range where applicable, stroke type, and OEM part number together.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n\u003ctable class=\"ss-table\" aria-label=\"Engine and Model Compatibility\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eStroke \/ Configuration\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eOEM Part No.\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eMFS2\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003ctd\u003e345-01030-0\u003c\/td\u003e\n\u003ctd\u003eConfirm the original part number.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eMFS2.5\u003c\/td\u003e\n\u003ctd\u003e2.5\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003ctd\u003e345-01030-0\u003c\/td\u003e\n\u003ctd\u003eConfirm the original part number.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eMFS3.5C\u003c\/td\u003e\n\u003ctd\u003e3.5\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003ctd\u003e345-01030-0\u003c\/td\u003e\n\u003ctd\u003eConfirm the original part number.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eMFS5\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003ctd\u003e345-01030-0\u003c\/td\u003e\n\u003ctd\u003eConfirm the original part number.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eMF6\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2006\u003c\/td\u003e\n\u003ctd\u003e345-01030-0\u003c\/td\u003e\n\u003ctd\u003eYear-specific application as listed.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eM8B\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003ctd\u003e345-01030-0\u003c\/td\u003e\n\u003ctd\u003eConfirm the original part number.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eM9.8B\u003c\/td\u003e\n\u003ctd\u003e9.8\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003ctd\u003e345-01030-0\u003c\/td\u003e\n\u003ctd\u003eConfirm the original part number.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eM9.9D2\u003c\/td\u003e\n\u003ctd\u003e9.9\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003ctd\u003e345-01030-0\u003c\/td\u003e\n\u003ctd\u003eConfirm the original part number.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eM15D2\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003ctd\u003e345-01030-0\u003c\/td\u003e\n\u003ctd\u003eConfirm the original part number.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eM18E2\u003c\/td\u003e\n\u003ctd\u003e18\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003ctd\u003e345-01030-0\u003c\/td\u003e\n\u003ctd\u003eConfirm the original part number.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eM25C3\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2003\u003c\/td\u003e\n\u003ctd\u003e345-01030-0\u003c\/td\u003e\n\u003ctd\u003eYear-specific application as listed.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eM30A4\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2003\u003c\/td\u003e\n\u003ctd\u003e345-01030-0\u003c\/td\u003e\n\u003ctd\u003eYear-specific application as listed.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eM40C\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2004\u003c\/td\u003e\n\u003ctd\u003e345-01030-0\u003c\/td\u003e\n\u003ctd\u003eYear-specific application as listed.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eMD40A, MD40B, MD40B2\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003eTLDI direct-injection 2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2010–2014\u003c\/td\u003e\n\u003ctd\u003e345010300M\u003c\/td\u003e\n\u003ctd\u003eVerify model and serial range.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eMD50A, MD50B, MD50B2\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003eTLDI direct-injection 2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2010–2014\u003c\/td\u003e\n\u003ctd\u003e345010300M\u003c\/td\u003e\n\u003ctd\u003eVerify model and serial range.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eNS25C3\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2003\u003c\/td\u003e\n\u003ctd\u003e345-01030-0\u003c\/td\u003e\n\u003ctd\u003eYear-specific application as listed.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eNS30A4\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2003\u003c\/td\u003e\n\u003ctd\u003e345-01030-0\u003c\/td\u003e\n\u003ctd\u003eYear-specific application as listed.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eNS40C\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2004\u003c\/td\u003e\n\u003ctd\u003e345-01030-0\u003c\/td\u003e\n\u003ctd\u003eYear-specific application as listed.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eNSD40B, NSD40B2\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003eTLDI direct-injection 2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2010–2014\u003c\/td\u003e\n\u003ctd\u003e345010300M\u003c\/td\u003e\n\u003ctd\u003eVerify model and serial range.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eNSD50B, NSD50B2\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003eTLDI direct-injection 2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2010–2014\u003c\/td\u003e\n\u003ctd\u003e345010300M\u003c\/td\u003e\n\u003ctd\u003eVerify model and serial range.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdl\u003e\n\u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eThermostat kit with housing gasket and seals\u003c\/dd\u003e\n\u003cdt\u003eTemperature Rating\u003c\/dt\u003e\n\u003cdd\u003e122°F (50°C) opening temperature\u003c\/dd\u003e\n\u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eReplacement installation in the existing thermostat housing\u003c\/dd\u003e\n\u003cdt\u003eHousing Finish\u003c\/dt\u003e\n\u003cdd\u003eSilver\/metallic as listed\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 × Thermostat\u003c\/li\u003e\n\u003cli\u003e1 × Thermostat housing gasket\u003c\/li\u003e\n\u003cli\u003e2 × Thermostat seals\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eAllow the engine to cool completely and follow the service manual's safety procedures.\u003c\/li\u003e\n\u003cli\u003eDisconnect the battery if required by the engine manufacturer's service procedure.\u003c\/li\u003e\n\u003cli\u003eLocate the thermostat housing and remove the cover fasteners.\u003c\/li\u003e\n\u003cli\u003eRemove the old thermostat, gasket, and seals, noting their orientation.\u003c\/li\u003e\n\u003cli\u003eClean the mating surfaces carefully without damaging the housing or cover.\u003c\/li\u003e\n\u003cli\u003eInstall the replacement thermostat, seals, and gasket in the correct orientation.\u003c\/li\u003e\n\u003cli\u003eReinstall the housing cover and tighten the fasteners to the manufacturer's specified torque.\u003c\/li\u003e\n\u003cli\u003eRestore the cooling system as required for the engine, start it, and check for leaks and proper temperature control.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eHow do I know if my thermostat is failing?\u003c\/summary\u003e\u003cp\u003ePossible symptoms include overheating, running below the expected operating temperature, inconsistent temperature behavior, or restricted cooling-system flow. Diagnose the cause before replacing the thermostat.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat does the 122°F (50°C) rating mean?\u003c\/summary\u003e\u003cp\u003eIt identifies the thermostat's listed opening temperature. The thermostat begins opening near this temperature to regulate cooling-water flow through the engine according to the engine's design.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this a complete kit?\u003c\/summary\u003e\u003cp\u003eThe listed package contains one thermostat, one thermostat housing gasket, and two thermostat seals. Confirm that these components match the arrangement on your engine before installation.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWill this fit a model year not shown?\u003c\/summary\u003e\u003cp\u003eDo not rely on horsepower alone. Compare the exact model, year or serial range, stroke\/configuration, and original OEM part number with the information above and the engine service documentation.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhen should a thermostat be replaced?\u003c\/summary\u003e\u003cp\u003eReplace it when testing identifies a fault, when it is damaged or contaminated, or during cooling-system service if the manufacturer's maintenance procedure calls for replacement. Follow the engine service manual for testing and maintenance intervals.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this an OEM part?\u003c\/summary\u003e\u003cp\u003eNo. This listing is for an aftermarket replacement kit. The OEM numbers shown are reference numbers used for application comparison.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat are the shipping speed and cost?\u003c\/summary\u003e\u003cp\u003eAvailable shipping methods, delivery estimates, and shipping charges are shown at checkout and vary by destination and service level.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat is the warranty and return policy?\u003c\/summary\u003e\u003cp\u003eWarranty and return terms are governed by the seller's current policies. Review the applicable policy before purchase and contact support if the delivered item does not match the listing or arrives damaged.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Information\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eVerify the complete engine model, year or serial range, stroke\/configuration, and original part number before ordering.\u003c\/li\u003e\n\u003cli\u003eCompare the supplied parts with the removed components before installation.\u003c\/li\u003e\n\u003cli\u003eUse the manufacturer's service manual for torque values, cooling-system procedures, testing, and safety requirements.\u003c\/li\u003e\n\u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended when the correct procedure or engine application is uncertain.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePro-Grade Standards\u003c\/strong\u003e — Marine replacement parts selected for fit, function, and service use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlobal Fulfillment\u003c\/strong\u003e — Shipping options and delivery estimates are provided at checkout.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer-Direct Value\u003c\/strong\u003e — Competitive replacement-part pricing with application information to support part selection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50718270488891,"sku":"GH-TH23616-T","price":25.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/GH-TH23616-T.png?v=1762958706"},{"product_id":"thermostat-kit-fits-tohatsu-nissan-2-50-hp-outboards-replaces-346-01030-345-01030","title":"Thermostat Kit, 50°C (122°F) – Fits Tohatsu\/Nissan 2–50 HP Outboards","description":"\u003c!-- 🔧 Table Styles (include only once per page) --\u003e\n\u003cstyle\u003e\n .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n table.ss-table th, table.ss-table td {\n padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n }\n table.ss-table th {\n white-space:nowrap;\n word-break:normal;\n letter-spacing:normal;\n font-weight:600;\n background:#f8fafc;\n }\n @media (max-width:480px){\n table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n }\n\u003c\/style\u003e\n\u003csection\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003e50°C (122°F) thermostat kit\u003c\/strong\u003e is an aftermarket replacement for selected Tohatsu and Nissan outboard motors. It is intended to help the cooling system maintain the engine's specified operating temperature and includes the service components needed for a thermostat replacement.\u003c\/p\u003e\n\u003cp\u003eThe kit is associated with Tohatsu\/Nissan thermostat references including \u003cstrong\u003e345-01030-0\u003c\/strong\u003e, \u003cstrong\u003e345-01030-1\u003c\/strong\u003e, \u003cstrong\u003e346-01030-0\u003c\/strong\u003e, \u003cstrong\u003e346-01030-1\u003c\/strong\u003e, \u003cstrong\u003e350-01030-1\u003c\/strong\u003e, and \u003cstrong\u003e3H6-01030-0\u003c\/strong\u003e. Reference numbers are provided for identification; always confirm the exact model, year, stroke, and serial-number range before ordering.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e50°C (122°F) thermostat rating.\u003c\/li\u003e\n\u003cli\u003eKit format for thermostat service.\u003c\/li\u003e\n\u003cli\u003eIncludes a thermostat, housing gasket, and thermostat seals.\u003c\/li\u003e\n\u003cli\u003eFor selected Tohatsu and Nissan 2-stroke and 4-stroke outboards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse the following manufacturer reference numbers when comparing your original part and engine parts diagram.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n\u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eManufacturer Reference\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu \/ Nissan\u003c\/td\u003e\n\u003ctd\u003e345-01030-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu \/ Nissan\u003c\/td\u003e\n\u003ctd\u003e345-01030-1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu \/ Nissan\u003c\/td\u003e\n\u003ctd\u003e346-01030-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu \/ Nissan\u003c\/td\u003e\n\u003ctd\u003e346-01030-1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu \/ Nissan\u003c\/td\u003e\n\u003ctd\u003e350-01030-1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu \/ Nissan\u003c\/td\u003e\n\u003ctd\u003e3H6-01030-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eVerified Engine Compatibility Examples\u003c\/h2\u003e\n\u003cp\u003eThe catalog relationships below keep the model, horsepower, stroke, and year conditions together. They are examples of documented applications, not a substitute for checking the complete engine identification and serial-number information.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n\u003ctable class=\"ss-table\" aria-label=\"Verified Engine Compatibility Examples\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel or Model Group\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eStroke\u003c\/th\u003e\n\u003cth\u003eYear Evidence\u003c\/th\u003e\n\u003cth\u003eReference\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eM6 \/ M8 \/ M9.8B\u003c\/td\u003e\n\u003ctd\u003e6–9.8\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2013–2016 catalog examples\u003c\/td\u003e\n\u003ctd\u003e350-01030-1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eM9.9 \/ 15D2 \/ 18E2 \/ MX18E2\u003c\/td\u003e\n\u003ctd\u003e9.9–18\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2013–2015 catalog examples\u003c\/td\u003e\n\u003ctd\u003e350-01030-1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eM25\/30H\/JET\u003c\/td\u003e\n\u003ctd\u003e25–30\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2025–2026 catalog examples\u003c\/td\u003e\n\u003ctd\u003e345-01030-1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eMX25\/30H\u003c\/td\u003e\n\u003ctd\u003e25–30\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2025–2026 catalog examples\u003c\/td\u003e\n\u003ctd\u003e345-01030-1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eMFS2 \/ MFS2.5 \/ MFS3.5B\u003c\/td\u003e\n\u003ctd\u003e2–3.5\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2013–2017 catalog examples\u003c\/td\u003e\n\u003ctd\u003e3H6-01030-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eMFS4 \/ MFS5 \/ MFS6C\u003c\/td\u003e\n\u003ctd\u003e4–6\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2013–2017 catalog examples\u003c\/td\u003e\n\u003ctd\u003e3H6-01030-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003eAdditional applications may exist under the reference numbers above. Model names, production years, and serial-number ranges can vary by market and engine revision, so verify against the engine's identification plate and the applicable parts diagram.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdl\u003e\n\u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eThermostat kit\u003c\/dd\u003e\n\u003cdt\u003eThermostat Rating\u003c\/dt\u003e\n\u003cdd\u003e50°C (122°F)\u003c\/dd\u003e\n\u003cdt\u003eApplication\u003c\/dt\u003e\n\u003cdd\u003eSelected Tohatsu and Nissan 2-stroke and 4-stroke outboard motors\u003c\/dd\u003e\n\u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eReplacement installation using the original thermostat housing\u003c\/dd\u003e\n\u003cdt\u003eIncluded Components\u003c\/dt\u003e\n\u003cdd\u003eThermostat, housing gasket, and thermostat seals\u003c\/dd\u003e\n\u003cdt\u003eProduct Status\u003c\/dt\u003e\n\u003cdd\u003eAftermarket replacement; not an OEM-branded component\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e1x\u003c\/span\u003e 50°C (122°F) thermostat\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e1x\u003c\/span\u003e thermostat housing gasket\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e2x\u003c\/span\u003e thermostat seals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eAllow the engine to cool completely before beginning work. Follow the engine manufacturer's safety procedures.\u003c\/li\u003e\n\u003cli\u003eLocate the thermostat housing and place a suitable drain pan below the work area to collect water or coolant released during disassembly.\u003c\/li\u003e\n\u003cli\u003eRemove the housing cover carefully and note the orientation of the old thermostat, gasket, and seals.\u003c\/li\u003e\n\u003cli\u003eClean the mating surfaces and remove old gasket material without damaging the housing or cover.\u003c\/li\u003e\n\u003cli\u003eInstall the new thermostat in the same orientation as the original, then fit the supplied gasket and seals.\u003c\/li\u003e\n\u003cli\u003eReinstall the housing cover and tighten the fasteners evenly to the manufacturer's specified torque.\u003c\/li\u003e\n\u003cli\u003eRestore the cooling system as required for the engine, run the outboard according to the service instructions, and check for leaks and normal water flow.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eDo not substitute automotive coolant procedures for the outboard manufacturer's service procedure. Use the correct fluid and bleeding or flushing method for your specific engine.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat are common signs of a failed thermostat?\u003c\/summary\u003e\n\u003cp\u003ePossible symptoms include overheating, unusually low operating temperature, inconsistent temperature behavior, or poor cooling-system performance. Blocked water passages, a damaged water pump, or other cooling-system faults can cause similar symptoms.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat temperature is this thermostat rated for?\u003c\/summary\u003e\n\u003cp\u003eThis kit is listed with a 50°C (122°F) thermostat rating.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I confirm fitment?\u003c\/summary\u003e\n\u003cp\u003eCompare your original manufacturer reference with the Part Number Matrix, then verify the engine brand, exact model, horsepower, stroke, production year, and serial-number range in the applicable parts diagram. Do not rely on horsepower alone.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes the kit include the service gaskets and seals?\u003c\/summary\u003e\n\u003cp\u003eYes. The listed kit contents are one thermostat, one thermostat housing gasket, and two thermostat seals.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs this an OEM part?\u003c\/summary\u003e\n\u003cp\u003eNo. This is an aftermarket replacement kit intended for the documented manufacturer reference numbers and applications listed on this page.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs there a fixed replacement interval?\u003c\/summary\u003e\n\u003cp\u003eFollow the maintenance schedule for your specific outboard. Inspect the thermostat when diagnosing cooling-system problems or when the thermostat housing is opened for related service.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eSafety \u0026amp; Important Information\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eWork only on a cool engine and follow the manufacturer's service and safety instructions.\u003c\/li\u003e\n\u003cli\u003eConfirm the exact model, year, stroke, and serial-number range before purchase.\u003c\/li\u003e\n\u003cli\u003eCompare the supplied part and sealing components with the original before installation.\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended when the correct procedure or torque specifications are unavailable.\u003c\/li\u003e\n\u003cli\u003eThis is an aftermarket replacement, not an OEM-branded component.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMarine replacement parts selected for documented applications and practical service needs.\u003c\/li\u003e\n\u003cli\u003eClear reference-number and fitment information to help support accurate part selection.\u003c\/li\u003e\n\u003cli\u003eCustomer support is available for installation and fitment questions when complete engine details are provided.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50718270521659,"sku":"QM-345-01030","price":25.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/QM-345-01030.png?v=1762958708"},{"product_id":"hydrofoil-stabilizer-fits-yamaha-mercury-johnson-evinrude-honda-suzuki-tohatsu-8-40-hp-replaces-seasierra-fo2002-stingray-junior-2-hydrofoil-se-sport-200","title":"Hydrofoil Stabilizer for 8–40 HP Outboard Motors – Blue, Drilling-Mount Design","description":"\u003cstyle\u003e\n \/* Outer container allows horizontal scrolling (with iOS momentum) *\/\n .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n\n \/* Base table styles *\/\n table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n table.ss-table th, table.ss-table td {\n padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n }\n\n \/* Key: prevent wrapping, word breaks, and vertical text in headers *\/\n table.ss-table th {\n white-space:nowrap;\n word-break:normal;\n letter-spacing:normal;\n font-weight:600;\n background:#f8fafc;\n }\n\n \/* Small screen optimization *\/\n @media (max-width:480px){\n table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n }\n\u003c\/style\u003e\n\u003csection\u003e\n \u003ch2\u003eProduct Details\u003c\/h2\u003e\n \u003cp\u003eThis \u003cstrong\u003eblue whale-tail hydrofoil stabilizer\u003c\/strong\u003e is designed for small outboard motors rated from 8 to 40 HP. Mounted to the anti-cavitation plate, it can help improve low-speed handling, reduce bow rise, and help the boat reach planing speed more efficiently.\u003c\/p\u003e\n \u003cp\u003eThe stabilizer is intended for many Yamaha, Mercury, Johnson, Evinrude, Honda, Suzuki, and Tohatsu outboards. Compatibility depends on the exact engine configuration and anti-cavitation-plate shape, so confirm the dimensions and the application notes before installation.\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003eWhale-tail design for added stern lift and improved control.\u003c\/li\u003e\n \u003cli\u003eMounts directly to the outboard anti-cavitation plate.\u003c\/li\u003e\n \u003cli\u003eDrilling is required for installation; mounting hardware and a drill bit are included.\u003c\/li\u003e\n \u003cli\u003eConstructed from durable marine-grade nylon plastic.\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n \u003ch2\u003eEquivalent Aftermarket References\u003c\/h2\u003e\n \u003cp\u003eThe following references are provided as aftermarket comparison terms. They are not manufacturer endorsements, and fitment should still be confirmed against the engine and product dimensions.\u003c\/p\u003e\n \u003cdiv class=\"ss-table-wrap\"\u003e\n \u003ctable class=\"ss-table\" aria-label=\"Equivalent Aftermarket References\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003cth\u003eReference\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eSeaSierra\u003c\/td\u003e\n \u003ctd\u003eFO2002\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eStingRay\u003c\/td\u003e\n \u003ctd\u003eJunior 2 Hydrofoil\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSE Sport\u003c\/td\u003e\n \u003ctd\u003e200\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n \u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n \u003ch2\u003eEngine Compatibility\u003c\/h2\u003e\n \u003cp\u003eThis hydrofoil is intended for many 8–40 HP outboard applications. Confirm the exact engine model, year, mounting area, and anti-cavitation-plate dimensions before drilling.\u003c\/p\u003e\n \u003cp\u003e\u003cstrong\u003eMercury note:\u003c\/strong\u003e Do not use this product with Mercury 40, 50, or 60 four-stroke models unless fitment has been independently confirmed for the specific engine.\u003c\/p\u003e\n \u003cdiv class=\"ss-table-wrap\"\u003e\n \u003ctable class=\"ss-table\" aria-label=\"Engine Compatibility\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003cth\u003eRated HP\u003c\/th\u003e\n \u003cth\u003eStroke\u003c\/th\u003e\n \u003cth\u003eApplication\u003c\/th\u003e\n \u003cth\u003eNotes\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eYamaha\u003c\/td\u003e\n \u003ctd\u003e8–40 HP\u003c\/td\u003e\n \u003ctd\u003e2-Stroke and 4-Stroke\u003c\/td\u003e\n \u003ctd\u003eMany applications\u003c\/td\u003e\n \u003ctd\u003eVerify the exact model and plate dimensions.\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMercury\u003c\/td\u003e\n \u003ctd\u003e8–40 HP\u003c\/td\u003e\n \u003ctd\u003e2-Stroke and 4-Stroke\u003c\/td\u003e\n \u003ctd\u003eMany applications\u003c\/td\u003e\n \u003ctd\u003eNot intended for 40, 50, or 60 four-stroke models unless specifically confirmed.\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n \u003ctd\u003e8–40 HP\u003c\/td\u003e\n \u003ctd\u003e2-Stroke and 4-Stroke\u003c\/td\u003e\n \u003ctd\u003eMany applications\u003c\/td\u003e\n \u003ctd\u003eVerify the exact model and plate dimensions.\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eHonda\u003c\/td\u003e\n \u003ctd\u003e8–40 HP\u003c\/td\u003e\n \u003ctd\u003e4-Stroke\u003c\/td\u003e\n \u003ctd\u003eMany applications\u003c\/td\u003e\n \u003ctd\u003eVerify the exact model and plate dimensions.\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSuzuki\u003c\/td\u003e\n \u003ctd\u003e8–40 HP\u003c\/td\u003e\n \u003ctd\u003e2-Stroke and 4-Stroke\u003c\/td\u003e\n \u003ctd\u003eMany applications\u003c\/td\u003e\n \u003ctd\u003eVerify the exact model and plate dimensions.\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eTohatsu\u003c\/td\u003e\n \u003ctd\u003e8–40 HP\u003c\/td\u003e\n \u003ctd\u003e2-Stroke and 4-Stroke\u003c\/td\u003e\n \u003ctd\u003eMany applications\u003c\/td\u003e\n \u003ctd\u003eVerify the exact model and plate dimensions.\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n \u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n \u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n \u003cdl\u003e\n \u003cdt\u003eProduct Type\u003c\/dt\u003e\n \u003cdd\u003eHydrofoil stabilizer\u003c\/dd\u003e\n \u003cdt\u003eApplication\u003c\/dt\u003e\n \u003cdd\u003eOutboard and compatible sterndrive mounting applications\u003c\/dd\u003e\n \u003cdt\u003eConnection\u003c\/dt\u003e\n \u003cdd\u003eAnti-cavitation plate mount\u003c\/dd\u003e\n \u003cdt\u003eMaterial\u003c\/dt\u003e\n \u003cdd\u003eMarine-grade nylon PA66 plastic\u003c\/dd\u003e\n \u003cdt\u003eColor\u003c\/dt\u003e\n \u003cdd\u003eBlue\u003c\/dd\u003e\n \u003cdt\u003eDimensions\u003c\/dt\u003e\n \u003cdd\u003e13.39 × 13.7 in. (340 × 348 mm)\u003c\/dd\u003e\n \u003cdt\u003eWeight\u003c\/dt\u003e\n \u003cdd\u003e1.33 kg (2.94 lb)\u003c\/dd\u003e\n \u003cdt\u003eMounting Hardware\u003c\/dt\u003e\n \u003cdd\u003eStainless-steel screws and nuts\u003c\/dd\u003e\n \u003cdt\u003eInstallation Method\u003c\/dt\u003e\n \u003cdd\u003eDrilling required; 6.5 mm drill bit included\u003c\/dd\u003e\n \u003cdt\u003eHorsepower Range\u003c\/dt\u003e\n \u003cdd\u003e8–40 HP\u003c\/dd\u003e\n \u003cdt\u003eLower-Power Applications\u003c\/dt\u003e\n \u003cdd\u003eSome 4 HP applications may be compatible; verify dimensions before purchase.\u003c\/dd\u003e\n \u003cdt\u003eEngine Type\u003c\/dt\u003e\n \u003cdd\u003e2-Stroke and 4-Stroke applications, as applicable\u003c\/dd\u003e\n \u003cdt\u003eDesign\u003c\/dt\u003e\n \u003cdd\u003eWhale-tail profile for added lift and control\u003c\/dd\u003e\n \u003c\/dl\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n \u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n \u003cul\u003e\n \u003cli\u003e1 × Hydrofoil stabilizer\u003c\/li\u003e\n \u003cli\u003e4 sets of stainless-steel screws and nuts\u003c\/li\u003e\n \u003cli\u003e1 × 6.5 mm drill bit\u003c\/li\u003e\n \u003cli\u003e1 × Installation instruction sheet\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n \u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n \u003col\u003e\n \u003cli\u003eCenter the hydrofoil on the outboard’s anti-cavitation plate and check that the selected position will not interfere with steering or propulsion components.\u003c\/li\u003e\n \u003cli\u003eUse the hydrofoil as a template to mark the four mounting-hole locations.\u003c\/li\u003e\n \u003cli\u003eRemove the hydrofoil and carefully drill the four holes with the included 6.5 mm drill bit.\u003c\/li\u003e\n \u003cli\u003ePosition the hydrofoil on the plate and align the holes.\u003c\/li\u003e\n \u003cli\u003eInsert the stainless-steel screws from the top and secure them with the nuts underneath. Tighten evenly without overtightening or deforming the plate.\u003c\/li\u003e\n \u003cli\u003eBefore operation, confirm that all hardware is secure and that the hydrofoil does not contact the propeller, rudder, trim mechanism, or other moving parts.\u003c\/li\u003e\n \u003c\/ol\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n \u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWill this fit my specific boat model?\u003c\/summary\u003e\n \u003cp\u003eFitment is determined primarily by the outboard motor and the shape and dimensions of its anti-cavitation plate, not by the boat model alone. Check the engine brand, horsepower, stroke type, exact model, and available mounting area before installation.\u003c\/p\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eHow can a hydrofoil improve performance?\u003c\/summary\u003e\n \u003cp\u003eThe whale-tail profile adds lift at the stern and may help reduce bow rise, improve low-speed control, and bring a boat onto plane more quickly. Results vary with the boat, load, propeller, engine setup, and operating conditions.\u003c\/p\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eIs drilling into the anti-cavitation plate required?\u003c\/summary\u003e\n \u003cp\u003eYes. This design uses drilled mounting holes and the supplied screws and nuts. Installation should be completed carefully, with the hydrofoil centered and clear of the propeller and other moving parts.\u003c\/p\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eCan this stabilizer affect top speed?\u003c\/summary\u003e\n \u003cp\u003eAny hydrofoil can increase drag and may slightly affect top speed or handling on some boats. Check the installation, alignment, and engine trim if performance changes unexpectedly.\u003c\/p\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWhat maintenance is required?\u003c\/summary\u003e\n \u003cp\u003ePeriodically check the mounting screws and nuts for tightness and inspect the hydrofoil for cracks, deformation, or impact damage. Recheck the hardware after the first operating session and after use in rough conditions.\u003c\/p\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eIs this an OEM part?\u003c\/summary\u003e\n \u003cp\u003eNo. This is an aftermarket hydrofoil stabilizer. Brand and reference names shown above are provided only for comparison and application research.\u003c\/p\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWhat should I do if the dimensions do not match?\u003c\/summary\u003e\n \u003cp\u003eDo not drill or install the hydrofoil if the mounting area, hole pattern, clearance, or product dimensions do not match your engine. Choose a product designed for the specific application instead.\u003c\/p\u003e\n \u003c\/details\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n \u003ch2\u003eSafety \u0026amp; Important Information\u003c\/h2\u003e\n \u003cul\u003e\n \u003cli\u003eConfirm the engine application and physical dimensions before purchase and installation.\u003c\/li\u003e\n \u003cli\u003eDo not install the hydrofoil where it can contact the propeller, steering system, trim mechanism, or other moving components.\u003c\/li\u003e\n \u003cli\u003eUse appropriate eye protection and safe drilling practices during installation.\u003c\/li\u003e\n \u003cli\u003eProfessional installation is recommended if you are not experienced with drilling and outboard hardware.\u003c\/li\u003e\n \u003cli\u003eInspect the mounting hardware and hydrofoil before each period of regular use.\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n \u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n \u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eMarine Replacement Parts\u003c\/strong\u003e — Practical aftermarket components for common marine applications.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eApplication-Focused Support\u003c\/strong\u003e — Verify model, dimensions, and installation requirements before ordering.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eQuality-Controlled Supply\u003c\/strong\u003e — Products are selected for dependable use in ordinary marine service conditions.\u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50718271373627,"sku":"SS-20HS001-B","price":59.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/SS-20HS001-B.png?v=1762958743"},{"product_id":"water-pump-impeller-repair-kit-fits-tohatsu-nissan-25-40-hp-2-stroke-replaces-361-87322-0","title":"Water Pump Impeller Repair Kit – Fits Tohatsu\/Nissan 25–40 HP 2-Stroke (Replaces 361-87322-0)","description":"\u003csection\u003e\n\u003cstyle\u003e\n .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n table.ss-table th, table.ss-table td { padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top; }\n table.ss-table th { white-space:nowrap; word-break:normal; letter-spacing:normal; font-weight:600; background:#f8fafc; }\n @media (max-width:480px){ table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; } }\n\u003c\/style\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003eWater Pump Impeller Repair Kit\u003c\/strong\u003e is designed for specified Tohatsu and Nissan 25–40 HP 2-stroke outboard engines from the model and year ranges listed below. It also fits select Mercury 25–30 HP 4-stroke EFI engines when the engine model and serial-number conditions in the compatibility table are met.\u003c\/p\u003e\n\u003cp\u003eThe kit is an aftermarket replacement for Tohatsu\/Nissan part number \u003cstrong\u003e361-87322-0\u003c\/strong\u003e and includes the impeller, drive key, wear plate, cup liner, gaskets, bolts, and washers listed in the package contents.\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eDirect-fit aftermarket replacement\u003c\/li\u003e\n \u003cli\u003eComponents for servicing the water pump assembly\u003c\/li\u003e\n \u003cli\u003eCovered by a 1-year manufacturer warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse the following references to compare the applicable OEM and interchange numbers for your engine.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n\u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\/Nissan\u003c\/td\u003e\n\u003ctd\u003e361-87322-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\/Nissan\u003c\/td\u003e\n\u003ctd\u003e361873220\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\/Nissan\u003c\/td\u003e\n\u003ctd\u003e361873220M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e853792A1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e853792T01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e853792A07\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eConfirm the exact engine brand, model, rated horsepower, stroke, year, and serial-number condition before ordering. Compatibility conditions must be considered together.\u003c\/p\u003e\n\u003ch3\u003eTohatsu \u0026amp; Nissan 2-Stroke Applications\u003c\/h3\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n\u003ctable class=\"ss-table\" aria-label=\"Tohatsu and Nissan Engine Compatibility\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eStroke\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eOEM Part No.\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eM25C2\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1996–2005\u003c\/td\u003e\n\u003ctd\u003e361-87322-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eM25C3\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2002–2005\u003c\/td\u003e\n\u003ctd\u003e361-87322-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eM30A3\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1996–2002\u003c\/td\u003e\n\u003ctd\u003e361-87322-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eM30A4\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2002–2005\u003c\/td\u003e\n\u003ctd\u003e361-87322-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eM35C\u003c\/td\u003e\n\u003ctd\u003e35\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2002\u003c\/td\u003e\n\u003ctd\u003e361-87322-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eM40C\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1996–2004\u003c\/td\u003e\n\u003ctd\u003e361-87322-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eNS25C2\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1996–2005\u003c\/td\u003e\n\u003ctd\u003e361-87322-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eNS25C3\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2002–2005\u003c\/td\u003e\n\u003ctd\u003e361-87322-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eNS30A3\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1996–2002\u003c\/td\u003e\n\u003ctd\u003e361-87322-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eNS30A4\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2002–2005\u003c\/td\u003e\n\u003ctd\u003e361-87322-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eNS35C\u003c\/td\u003e\n\u003ctd\u003e35\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2002\u003c\/td\u003e\n\u003ctd\u003e361-87322-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eNS40C\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1996–2004\u003c\/td\u003e\n\u003ctd\u003e361-87322-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eNS40C2\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2002–2004\u003c\/td\u003e\n\u003ctd\u003e361-87322-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eMercury Marine 4-Stroke EFI Applications\u003c\/h3\u003e\n\u003cp\u003eThe Mercury applications below require the listed serial-number range. Do not rely on horsepower alone when checking fitment.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n\u003ctable class=\"ss-table\" aria-label=\"Mercury Marine Engine Compatibility\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eStroke\u003c\/th\u003e\n\u003cth\u003eSerial Number\u003c\/th\u003e\n\u003cth\u003eOEM Part No.\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eSea Pro\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e0R051710 and up\u003c\/td\u003e\n\u003ctd\u003e853792A07\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eEFI Standard\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e0R106999 and up\u003c\/td\u003e\n\u003ctd\u003e853792A07\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eEFI JET\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e0R165086 and up\u003c\/td\u003e\n\u003ctd\u003e853792A07\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eEFI Standard\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e0R106999 and up\u003c\/td\u003e\n\u003ctd\u003e853792A07\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eWater pump impeller repair kit\u003c\/dd\u003e\n \u003cdt\u003eApplication\u003c\/dt\u003e\n\u003cdd\u003eOutboard water pump service\u003c\/dd\u003e\n \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eDirect-fit aftermarket replacement\u003c\/dd\u003e\n \u003cdt\u003eFuel Type\u003c\/dt\u003e\n\u003cdd\u003eGasoline\u003c\/dd\u003e\n \u003cdt\u003eMaterial\u003c\/dt\u003e\n\u003cdd\u003eMarine-grade replacement materials\u003c\/dd\u003e\n \u003cdt\u003eWarranty\u003c\/dt\u003e\n\u003cdd\u003e1 year\u003c\/dd\u003e\n \u003cdt\u003eManufacturing Standard\u003c\/dt\u003e\n\u003cdd\u003eProduced in an ISO 9002 certified factory\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e1 × Water pump impeller (345-65021-0 \/ 47-161541)\u003c\/li\u003e\n \u003cli\u003e1 × Driveshaft key (332-65022-0)\u003c\/li\u003e\n \u003cli\u003e1 × Stainless-steel wear plate (348-65025-0)\u003c\/li\u003e\n \u003cli\u003e1 × Stainless-steel cup liner (348-65011-0)\u003c\/li\u003e\n \u003cli\u003e1 × Gasket set\u003c\/li\u003e\n \u003cli\u003e4 × Bolts with washers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n \u003cli\u003eDisconnect the battery and remove the engine cover.\u003c\/li\u003e\n \u003cli\u003eDrain the lower-unit gear lubricant.\u003c\/li\u003e\n \u003cli\u003eRemove the lower unit from the outboard.\u003c\/li\u003e\n \u003cli\u003eUnbolt and remove the existing water-pump housing.\u003c\/li\u003e\n \u003cli\u003eInspect the housing and clean all mating surfaces.\u003c\/li\u003e\n \u003cli\u003eInstall the impeller, gaskets, wear plate, and cup liner supplied with the kit. Make sure the driveshaft key is correctly seated.\u003c\/li\u003e\n \u003cli\u003eReassemble the water-pump housing and torque the bolts to the engine manufacturer’s specifications.\u003c\/li\u003e\n \u003cli\u003eReinstall the lower unit and refill it with the correct gear lubricant.\u003c\/li\u003e\n \u003cli\u003eReconnect the battery and test the cooling system, confirming a steady tell-tale stream.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eHow do I know if this kit fits my engine?\u003c\/summary\u003e\u003cp\u003eCompare your engine brand, exact model, horsepower, stroke, year, and serial number with the tables above. Also compare the original water-pump part number. Mercury applications require particular attention to the listed serial-number range.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat are the signs of a failing water-pump impeller?\u003c\/summary\u003e\u003cp\u003eCommon signs include overheating at idle or low speed, a weak or missing tell-tale stream, and a dry, cracked, or brittle impeller. A worn housing or wear plate can also reduce water-pump performance.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow often should the water pump be serviced?\u003c\/summary\u003e\u003cp\u003eAs a preventative-maintenance guideline, inspect and replace the impeller and gaskets every 1–2 years or every 100–200 hours of use. Service may be needed sooner in saltwater or sandy and silty conditions.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this an OEM part?\u003c\/summary\u003e\u003cp\u003eNo. This listing is for an aftermarket replacement kit, not an OEM component. The listed OEM and interchange numbers are provided only for reference and fitment comparison.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat are the shipping and warranty terms?\u003c\/summary\u003e\u003cp\u003eTypical transit is 5–15 days, with standard shipping free to most regions. Expedited options may be available at checkout. The product includes a 1-year warranty against manufacturing defects under normal use. Returns are accepted according to the applicable return policy when the item is unused and in its original condition.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Information\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003eVerify the exact engine model, year, stroke, horsepower, serial number, and original part number before ordering.\u003c\/li\u003e\n \u003cli\u003eDo not operate an outboard with an overheating engine or an inadequate tell-tale stream.\u003c\/li\u003e\n \u003cli\u003eThis is an aftermarket replacement kit, not an OEM component.\u003c\/li\u003e\n \u003cli\u003eProfessional installation is recommended when you are not familiar with lower-unit removal or water-pump service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003ePro-Grade Standards\u003c\/strong\u003e — We supply marine parts engineered for dependable real-world service.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFast Global Fulfillment\u003c\/strong\u003e — Free standard delivery is available to most regions, with typical transit of 5–15 days.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eManufacturer-Direct Value\u003c\/strong\u003e — Fair pricing supported by consistent materials and quality-control processes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723800580411,"sku":"DK0c98KT025","price":39.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/DK0c98KT025.png?v=1763032151"},{"product_id":"water-pump-impeller-kit-fits-mercury-marine-25-30-hp-tohatsu-nissan-25-40-hp-replaces-853792a07-361873220","title":"Water Pump Impeller Service Kit for Mercury 25–30 HP 4-Stroke EFI and Compatible Tohatsu\/Nissan Outboards — Replaces 853792A07 and 361-87322-0","description":"\u003csection\u003e\n\u003cstyle\u003e\n .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n table.ss-table th, table.ss-table td { padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top; }\n table.ss-table th { white-space:nowrap; word-break:normal; letter-spacing:normal; font-weight:600; background:#f8fafc; }\n @media (max-width:480px){ table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; } }\n\u003c\/style\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis aftermarket \u003cstrong\u003ewater pump impeller service kit\u003c\/strong\u003e is designed for selected Mercury, Mariner and Force 25–30 HP 4-stroke EFI outboards and compatible Tohatsu\/Nissan applications. It is intended to restore water-pump performance and help maintain proper engine cooling when the existing impeller, gasket, wear components or related service parts are worn.\u003c\/p\u003e\n\u003cp\u003eThe kit is listed as a replacement for Mercury reference numbers \u003cstrong\u003e853792A07\u003c\/strong\u003e, \u003cstrong\u003e853792A1\u003c\/strong\u003e and \u003cstrong\u003e853792T01\u003c\/strong\u003e, together with Tohatsu\/Nissan references \u003cstrong\u003e361-87322-0\u003c\/strong\u003e, \u003cstrong\u003e361873220M\u003c\/strong\u003e and \u003cstrong\u003e361873220\u003c\/strong\u003e. These numbers should be compared with the number and configuration of the parts removed from your engine before ordering.\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eAftermarket water pump impeller service kit for selected outboard applications.\u003c\/li\u003e\n \u003cli\u003eIncludes an impeller and related water-pump service components listed below.\u003c\/li\u003e\n \u003cli\u003eDesigned for direct replacement where the listed reference number and engine conditions match.\u003c\/li\u003e\n \u003cli\u003eImpeller reference 345-65021-0 is cataloged for selected 25–30 HP Tohatsu applications and related 25–35 HP impeller applications; complete kit fitment remains dependent on the engine model and water-pump assembly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse the following references to compare the kit with the part being replaced. A reference number alone does not confirm fitment for every engine variant.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n\u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand or Type\u003c\/th\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e853792A07\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e853792A1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e853792T01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu \/ Nissan\u003c\/td\u003e\n\u003ctd\u003e361-87322-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu \/ Nissan\u003c\/td\u003e\n\u003ctd\u003e361873220M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu \/ Nissan\u003c\/td\u003e\n\u003ctd\u003e361873220\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAftermarket impeller reference\u003c\/td\u003e\n\u003ctd\u003e345-65021-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAftermarket impeller reference\u003c\/td\u003e\n\u003ctd\u003e47-16154-1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAftermarket impeller reference\u003c\/td\u003e\n\u003ctd\u003e161541\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine and Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eConfirm the complete engine model, stroke, production year and serial-number range before installation. Mercury fitment is commonly controlled by serial number rather than year alone. The model entries below are application leads and should be checked against the service-manual diagram or the original water-pump parts before purchase.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n\u003ctable class=\"ss-table\" aria-label=\"Engine and Model Compatibility\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eStroke\u003c\/th\u003e\n\u003cth\u003eYears \/ Serial No.\u003c\/th\u003e\n\u003cth\u003eReference\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eSea Pro\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e0R051710 and up\u003c\/td\u003e\n\u003ctd\u003e853792A07\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eEFI Standard\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e0R106999 and up\u003c\/td\u003e\n\u003ctd\u003e853792A07\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eEFI JET\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e0R165086 and up\u003c\/td\u003e\n\u003ctd\u003e853792A07\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eEFI Standard\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e0R106999 and up\u003c\/td\u003e\n\u003ctd\u003e853792A07\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eM25C2\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1996–2005\u003c\/td\u003e\n\u003ctd\u003e361-87322-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eM25C3\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2002–2005\u003c\/td\u003e\n\u003ctd\u003e361-87322-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eM30A3\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1996–2002\u003c\/td\u003e\n\u003ctd\u003e361-87322-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eM30A4\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2002–2005\u003c\/td\u003e\n\u003ctd\u003e361-87322-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eM35C\u003c\/td\u003e\n\u003ctd\u003e35\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2002\u003c\/td\u003e\n\u003ctd\u003e361-87322-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eM40C\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1996–2004\u003c\/td\u003e\n\u003ctd\u003e361-87322-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eNS25C2\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1996–2002\u003c\/td\u003e\n\u003ctd\u003e361-87322-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eNS25C3\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2002–2005\u003c\/td\u003e\n\u003ctd\u003e361-87322-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eNS30A3\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1996–2002\u003c\/td\u003e\n\u003ctd\u003e361-87322-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eNS30A4\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2002–2005\u003c\/td\u003e\n\u003ctd\u003e361-87322-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eNS35C\u003c\/td\u003e\n\u003ctd\u003e35\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2002\u003c\/td\u003e\n\u003ctd\u003e361-87322-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eNS40C\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1996–2004\u003c\/td\u003e\n\u003ctd\u003e361-87322-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eNS40C2\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2002–2004\u003c\/td\u003e\n\u003ctd\u003e361-87322-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu \/ Nissan\u003c\/td\u003e\n\u003ctd\u003eSelected 25–30 HP models\u003c\/td\u003e\n\u003ctd\u003e25–30\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003eVerify exact model and year\u003c\/td\u003e\n\u003ctd\u003eCheck the complete water-pump assembly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdl\u003e\n \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eWater pump impeller service kit\u003c\/dd\u003e\n \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eReplacement water-pump service component\u003c\/dd\u003e\n \u003cdt\u003eApplication\u003c\/dt\u003e\n\u003cdd\u003eSelected gasoline outboard engines\u003c\/dd\u003e\n \u003cdt\u003eImpeller Material\u003c\/dt\u003e\n\u003cdd\u003eMarine-grade neoprene rubber\u003c\/dd\u003e\n \u003cdt\u003eIncluded Service Materials\u003c\/dt\u003e\n\u003cdd\u003eGaskets and metal water-pump service components as listed below\u003c\/dd\u003e\n \u003cdt\u003eImpeller Color\u003c\/dt\u003e\n\u003cdd\u003eBlack\u003c\/dd\u003e\n \u003cdt\u003eApproximate Weight\u003c\/dt\u003e\n\u003cdd\u003e130 g (4.6 oz), as listed\u003c\/dd\u003e\n \u003cdt\u003eProduct Status\u003c\/dt\u003e\n\u003cdd\u003eAftermarket replacement; not an OEM-manufactured component\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e1 x Water pump impeller, reference 345-65021-0 \/ 47-16154-1 \/ 161541\u003c\/li\u003e\n \u003cli\u003e1 x Impeller key, reference 28-161582 \/ 348-65018\u003c\/li\u003e\n \u003cli\u003e1 x Gasket, reference 278-161602 \/ 348-65029-1\u003c\/li\u003e\n \u003cli\u003e1 x Gasket, reference 27-161582 \/ 348-65018-0\u003c\/li\u003e\n \u003cli\u003e1 x Insert cup, reference 161572 \/ 348-65011-0\u003c\/li\u003e\n \u003cli\u003e1 x Wear plate, reference 161592 \/ 348-65025-0\u003c\/li\u003e\n \u003cli\u003e4 x Bolts and washers, reference 910103-565\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePackage contents may vary by production batch. Compare the supplied components with the water-pump parts removed from your engine before beginning installation.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n \u003cli\u003eDisconnect the battery and remove the engine cover where applicable.\u003c\/li\u003e\n \u003cli\u003ePlace the engine securely and remove the lower unit according to the manufacturer's service procedure.\u003c\/li\u003e\n \u003cli\u003eRemove the water-pump housing and retain the original fasteners for comparison.\u003c\/li\u003e\n \u003cli\u003eRemove the old impeller, key, gaskets, cup and wear plate as applicable.\u003c\/li\u003e\n \u003cli\u003eClean the mating surfaces and inspect the housing, drive key, shaft and fasteners for wear or corrosion.\u003c\/li\u003e\n \u003cli\u003eInstall the replacement components in the same order as the original parts, with the impeller key correctly seated.\u003c\/li\u003e\n \u003cli\u003eLubricate the impeller and housing with a suitable water-pump assembly lubricant; do not use petroleum products that may damage the rubber.\u003c\/li\u003e\n \u003cli\u003eReassemble the water pump and lower unit. Tighten fasteners to the engine manufacturer's specifications.\u003c\/li\u003e\n \u003cli\u003eTest-run the engine in an appropriate water supply and confirm a steady tell-tale stream before normal operation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting and FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eHow do I confirm fitment for a Mercury engine?\u003c\/summary\u003e\u003cp\u003eUse the engine's complete model and serial number. Compare the serial range, water-pump diagram and original part number rather than relying on horsepower alone.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat are common signs of a worn impeller?\u003c\/summary\u003e\u003cp\u003eSymptoms can include a weak or missing tell-tale stream, overheating warnings, fluctuating cooling-water flow, or a damaged, melted or deformed impeller.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow often should the impeller be inspected?\u003c\/summary\u003e\u003cp\u003eInspect the impeller during scheduled maintenance and replace it when damaged, hardened, cracked or deformed. Service intervals depend on operating hours, storage conditions and saltwater exposure; follow the engine manufacturer's maintenance schedule.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWill this fit every Tohatsu or Nissan 25–40 HP engine?\u003c\/summary\u003e\u003cp\u003eNo. Tohatsu and Nissan engines can use different water-pump designs across model, year and serial-number ranges. Verify the exact model, stroke and original water-pump reference before ordering.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this an OEM part?\u003c\/summary\u003e\u003cp\u003eNo. This is an aftermarket replacement kit intended to replace the listed OEM and manufacturer reference numbers where the application matches.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat should I do if my original components look different?\u003c\/summary\u003e\u003cp\u003eDo not force installation. Compare the complete water-pump assembly, shaft key, housing, cup, wear plate and gasket pattern with the supplied parts before use.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003ch2\u003eSafety and Important Information\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003eVerify the engine model, year, stroke, serial number and original part number before purchase.\u003c\/li\u003e\n \u003cli\u003eDo not operate an outboard without a reliable cooling-water supply.\u003c\/li\u003e\n \u003cli\u003eUse appropriate lifting, support and lower-unit removal procedures.\u003c\/li\u003e\n \u003cli\u003eProfessional installation is recommended if you are unfamiliar with outboard lower-unit service.\u003c\/li\u003e\n \u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003ePro-Grade Standards\u003c\/strong\u003e — Marine replacement parts selected for dependable service in real-world operating conditions.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eGlobal Fulfillment\u003c\/strong\u003e — Standard and expedited delivery options are shown at checkout where available.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eManufacturer-Direct Value\u003c\/strong\u003e — Practical replacement solutions with clear application and part-number information.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723800613179,"sku":"UY-YSF0-9STY","price":38.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/UY-YSF0-9STY.png?v=1763032152"},{"product_id":"water-pump-impeller-service-kit-fits-mercury-marine-tohatsu-nissan-25-40-hp-replaces-47-16154-1-3r0-65021-0-345-65021-0","title":"Water Pump Impeller Service Kit for Mercury Marine and Tohatsu\/Nissan 25–40 HP Outboards – Replaces 47-16154-1, 3R0-65021-0 and 345-65021-0","description":"\u003csection\u003e\n\u003cstyle\u003e\n .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n table.ss-table th, table.ss-table td { padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top; }\n table.ss-table th { white-space:nowrap; word-break:normal; letter-spacing:normal; font-weight:600; background:#f8fafc; }\n @media (max-width:480px){ table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; } }\n\u003c\/style\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003ewater pump impeller service kit\u003c\/strong\u003e is designed for select Mercury Marine 25–30 HP 4-Stroke Sea Pro and Lightning outboard models, as well as a range of Tohatsu and Nissan 25–40 HP 2-Stroke and 25–30 HP 4-Stroke outboard engines. It provides the primary replacement components needed to service the water pump and maintain proper engine cooling.\u003c\/p\u003e\n\u003cp\u003eThis aftermarket kit is listed as a replacement for Mercury part \u003cstrong\u003e47-16154-1\u003c\/strong\u003e and Tohatsu\/Nissan parts \u003cstrong\u003e345-65021-0\u003c\/strong\u003e and \u003cstrong\u003e3R0-65021-0\u003c\/strong\u003e. It also cross-references Sierra 18-8923, Mallory 9-45400 and CEF 500382. Confirm the part number, model, year and serial-number range before ordering.\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eReplacement water pump impeller service kit for selected Mercury, Tohatsu and Nissan outboards.\u003c\/li\u003e\n \u003cli\u003eNeoprene rubber impeller with a durable nylon hub.\u003c\/li\u003e\n \u003cli\u003eIncludes the impeller, key and water pump housing gaskets required for the listed service application.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse the following references to compare the listed OEM and aftermarket numbers with the number on your original component or service manual.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n \u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercury Marine\u003c\/td\u003e\n\u003ctd\u003e47-16154-1\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eTohatsu\/Nissan\u003c\/td\u003e\n\u003ctd\u003e345-65021-0 \/ 345650210 \/ 345-65021-0M \/ 345650210M\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eTohatsu\/Nissan\u003c\/td\u003e\n\u003ctd\u003e3R0-65021-0 \/ 3R0650210 \/ 3R0-65021-0M \/ 3R0650210M\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eSierra\u003c\/td\u003e\n\u003ctd\u003e18-8923\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMallory\u003c\/td\u003e\n\u003ctd\u003e9-45400\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eCEF\u003c\/td\u003e\n\u003ctd\u003e500382\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eFitment depends on the complete engine configuration. Match the engine brand, model, year, stroke, horsepower and serial-number range against the information below and verify the replacement number in your service manual before installation.\u003c\/p\u003e\n\u003cp\u003eFor Mercury Marine applications, the listed fitment includes select 25–30 HP 4-Stroke Sea Pro and Lightning models from 2005 and newer.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n \u003ctable class=\"ss-table\" aria-label=\"Mercury Marine Engine Compatibility\"\u003e\n \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eStroke\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eOEM Part No.\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eSea Pro\u003c\/td\u003e\n\u003ctd\u003e25 EFI JET\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2005 and newer\u003c\/td\u003e\n\u003ctd\u003e47-16154-1\u003c\/td\u003e\n\u003ctd\u003eS\/N 0N055505 and up\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eLightning\u003c\/td\u003e\n\u003ctd\u003e30 EFI JET\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2005 and newer\u003c\/td\u003e\n\u003ctd\u003e47-16154-1\u003c\/td\u003e\n\u003ctd\u003eS\/N 0G575500 and up\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe listed Tohatsu and Nissan applications include selected 25–40 HP 2-Stroke and 25–30 HP 4-Stroke outboard engines manufactured approximately between 1996 and 2005.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n \u003ctable class=\"ss-table\" aria-label=\"Tohatsu and Nissan Engine Compatibility\"\u003e\n \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eStroke\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eOEM Part No.\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n\u003ctd\u003eTohatsu\/Nissan\u003c\/td\u003e\n\u003ctd\u003eNS25C, M25C\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1996–2005\u003c\/td\u003e\n\u003ctd\u003e345-65021-0\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eTohatsu\/Nissan\u003c\/td\u003e\n\u003ctd\u003eNS30A, M30A\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1996–2005\u003c\/td\u003e\n\u003ctd\u003e345-65021-0\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eTohatsu\/Nissan\u003c\/td\u003e\n\u003ctd\u003eNS35C, M35C\u003c\/td\u003e\n\u003ctd\u003e35\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1996–2005\u003c\/td\u003e\n\u003ctd\u003e345-65021-0\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eTohatsu\/Nissan\u003c\/td\u003e\n\u003ctd\u003eNS40C, M40C\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1996–2005\u003c\/td\u003e\n\u003ctd\u003e345-65021-0\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eTohatsu\/Nissan\u003c\/td\u003e\n\u003ctd\u003eNSF25A, NSF25B, MFS25A, MFS25B, MFS25C\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1996–2005\u003c\/td\u003e\n\u003ctd\u003e345-65021-0\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eTohatsu\/Nissan\u003c\/td\u003e\n\u003ctd\u003eNSF30A, NSF30B, MFS30A, MFS30B, MFS30C\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1996–2005\u003c\/td\u003e\n\u003ctd\u003e345-65021-0\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eWater pump impeller service kit\u003c\/dd\u003e\n \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eDirect replacement for the listed applications\u003c\/dd\u003e\n \u003cdt\u003eMaterial\u003c\/dt\u003e\n\u003cdd\u003eNeoprene rubber impeller with nylon hub\u003c\/dd\u003e\n \u003cdt\u003eNumber of Blades\u003c\/dt\u003e\n\u003cdd\u003e6\u003c\/dd\u003e\n \u003cdt\u003eImpeller Height\u003c\/dt\u003e\n\u003cdd\u003e20.3 mm (0.80 inch)\u003c\/dd\u003e\n \u003cdt\u003eOverall Diameter\u003c\/dt\u003e\n\u003cdd\u003e44.1 mm (1.74 inch)\u003c\/dd\u003e\n \u003cdt\u003eHub Shaft Diameter\u003c\/dt\u003e\n\u003cdd\u003e17.1 mm (0.67 inch)\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e1 x Water pump impeller, cross-referenced to 345-65021-0, 47-16154-1 and 161541\u003c\/li\u003e\n \u003cli\u003e1 x Impeller key, 332-65022-0\u003c\/li\u003e\n \u003cli\u003e2 x Water pump housing gaskets\u003c\/li\u003e\n \u003cli\u003e1 x Installation instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n \u003cli\u003eDisconnect the battery and shut off the fuel supply for safety.\u003c\/li\u003e\n \u003cli\u003eRemove the lower unit or gearcase according to the engine manufacturer’s service procedure.\u003c\/li\u003e\n \u003cli\u003eUnbolt and carefully remove the water pump housing cover.\u003c\/li\u003e\n \u003cli\u003eNote the rotational direction of the old impeller blades before removal.\u003c\/li\u003e\n \u003cli\u003eRemove the old impeller, impeller key and used gaskets.\u003c\/li\u003e\n \u003cli\u003eClean the housing interior and wear plate, and inspect them for grooves, cracks or other damage.\u003c\/li\u003e\n \u003cli\u003eInstall the new gasket and impeller key onto the driveshaft.\u003c\/li\u003e\n \u003cli\u003eSlide the new impeller onto the driveshaft while turning the shaft in the correct direction so the blades seat properly in the housing.\u003c\/li\u003e\n \u003cli\u003eReinstall the water pump housing and tighten the bolts to the manufacturer’s specified torque.\u003c\/li\u003e\n \u003cli\u003eReattach the lower unit, ensuring that the water tube and shift shaft are correctly aligned.\u003c\/li\u003e\n \u003cli\u003eTest the engine with an appropriate water supply and verify a strong, steady stream from the tell-tale outlet.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eHow do I know if this impeller kit fits my engine?\u003c\/summary\u003e\u003cp\u003eMatch the engine brand, model, year, horsepower, stroke and serial-number range against the compatibility information. Also compare the OEM or aftermarket replacement number in your service manual with the numbers in the Part Number Matrix. If any detail differs, confirm fitment before ordering.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat are the signs of a failing water pump impeller?\u003c\/summary\u003e\u003cp\u003eCommon symptoms include a weak or intermittent tell-tale stream, overheating alarms or reduced cooling performance. Inspection may reveal blades that are cracked, brittle, melted or missing pieces.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow often should I replace the impeller?\u003c\/summary\u003e\u003cp\u003eInspect the impeller as part of routine maintenance. Replacement intervals vary with engine use and operating conditions; more frequent service may be appropriate for engines used in saltwater or sandy and silty environments.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this part the same as the original OEM version?\u003c\/summary\u003e\u003cp\u003eThis is an aftermarket replacement, not an OEM component. It is listed as a replacement for the referenced OEM numbers and is supplied with the components shown in the What’s in the Box section.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eOEM vs. aftermarket?\u003c\/summary\u003e\u003cp\u003eThis listing is for an aftermarket replacement. Compare the dimensions, replacement numbers and complete engine fitment information before installation.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eShipping speed and cost?\u003c\/summary\u003e\u003cp\u003eTypical transit is 5–15 days. Standard shipping is free, and expedited options appear at checkout where available.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWarranty and returns?\u003c\/summary\u003e\u003cp\u003eThis product is covered by a 1-year warranty against manufacturing defects under normal use. Returns are accepted within the standard return window when the item is unused and in its original condition. Contact support for current policy details and return instructions.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Information\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003eVerify the original part number, dimensions and complete engine fitment information before purchase.\u003c\/li\u003e\n \u003cli\u003eDo not operate the engine without an adequate water supply.\u003c\/li\u003e\n \u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n \u003cli\u003eProfessional installation is recommended when you are not familiar with lower-unit or water-pump service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003ePro-Grade Standards\u003c\/strong\u003e — We supply marine parts designed for dependable service in real-world operating conditions.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFast Global Fulfillment\u003c\/strong\u003e — Free standard delivery is available to most regions, typically within 5–15 days.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eManufacturer-Direct Value\u003c\/strong\u003e — Fair pricing with attention to materials and quality control.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723800645947,"sku":"24KM104-QM","price":19.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/24KM104-QM.png?v=1763032154"},{"product_id":"water-pump-impeller-repair-kit-fits-mercury-mariner-25-30-hp-tohatsu-nissan-25-40-hp-replaces-mercury-853792a1-tohatsu-361-87322-0","title":"Water Pump Impeller Repair Kit for Mercury\/Mariner 25–30 HP and Tohatsu\/Nissan 25–40 HP Outboards","description":"\u003cstyle\u003e\n\/* Outer container allows horizontal scrolling (with iOS momentum) *\/\n.ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n\/* Base table styles *\/\ntable.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\ntable.ss-table th, table.ss-table td { padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top; }\n\/* Key: prevent wrapping, word breaks, and vertical text in headers *\/\ntable.ss-table th { white-space:nowrap; word-break:normal; letter-spacing:normal; font-weight:600; background:#f8fafc; }\n\/* Small screen optimization *\/\n@media (max-width:480px){\n table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n}\n\u003c\/style\u003e\n\u003csection\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis water pump impeller repair kit is designed to service the raw-water pump on selected Mercury and Mariner 25–30 HP outboards, as well as various Tohatsu and Nissan 25–40 HP outboard models. It provides the principal service components needed to replace a worn impeller and renew the related pump sealing and wear components.\u003c\/p\u003e\n\u003cp\u003eThe kit is listed as a replacement for Mercury references \u003cstrong\u003e853792A1\u003c\/strong\u003e, \u003cstrong\u003e853792A07\u003c\/strong\u003e, and \u003cstrong\u003e853792T01\u003c\/strong\u003e, and for Tohatsu\/Nissan references \u003cstrong\u003e361-87322-0\u003c\/strong\u003e, \u003cstrong\u003e361-87322-1\u003c\/strong\u003e, and \u003cstrong\u003e361-87322-2\u003c\/strong\u003e. The cited Mercury catalog relationship identifies 853792T01 as applicable to selected 20, 25, and 30 HP two-cylinder applications and lists 853792A1 as an interchange reference; always verify the complete model and serial-number range before ordering.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReplacement water-pump service kit for selected marine outboards.\u003c\/li\u003e\n\u003cli\u003eHelps restore cooling-water-pump service components during routine maintenance.\u003c\/li\u003e\n\u003cli\u003eIncludes the impeller, key, gaskets, insert, guide plate, and mounting hardware listed below.\u003c\/li\u003e\n\u003cli\u003eAftermarket replacement; not an original equipment manufacturer component.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse these manufacturer and aftermarket references to compare the service part required for your engine. Part-number matching alone does not replace verification of the engine model, year, stroke, and serial-number range.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n\u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e853792A1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e853792A07\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e853792T01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\/Nissan\u003c\/td\u003e\n\u003ctd\u003e361-87322-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\/Nissan\u003c\/td\u003e\n\u003ctd\u003e361-87322-1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\/Nissan\u003c\/td\u003e\n\u003ctd\u003e361-87322-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eConfirm the complete model designation, year, stroke, and serial number against your engine before purchase. The Mercury\/Mariner applications below are the listed fitment ranges for this kit.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n\u003ctable class=\"ss-table\" aria-label=\"Mercury\/Mariner Compatibility\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eStroke\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eOEM Part No.\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e25 HP\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2006 and newer\u003c\/td\u003e\n\u003ctd\u003e853792A1 \/ 853792A07 \/ 853792T01\u003c\/td\u003e\n\u003ctd\u003eS\/N 0N018456 and above\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e25 HP Sea Pro\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2006 and newer\u003c\/td\u003e\n\u003ctd\u003e853792A1 \/ 853792A07 \/ 853792T01\u003c\/td\u003e\n\u003ctd\u003eS\/N 0R051710 and above\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e25 HP EFI\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2006 and newer\u003c\/td\u003e\n\u003ctd\u003e853792A1 \/ 853792A07 \/ 853792T01\u003c\/td\u003e\n\u003ctd\u003eS\/N 0R106999 and above\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e25 HP EFI JET\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2006 and newer\u003c\/td\u003e\n\u003ctd\u003e853792A1 \/ 853792A07 \/ 853792T01\u003c\/td\u003e\n\u003ctd\u003eS\/N 0R165086 and above\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e30 HP\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2006 and newer\u003c\/td\u003e\n\u003ctd\u003e853792A1 \/ 853792A07 \/ 853792T01\u003c\/td\u003e\n\u003ctd\u003eS\/N 0N001875 and above\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e30 HP EFI\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2006 and newer\u003c\/td\u003e\n\u003ctd\u003e853792A1 \/ 853792A07 \/ 853792T01\u003c\/td\u003e\n\u003ctd\u003eS\/N 0R106999 and above\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe kit is also listed for the following Tohatsu and Nissan 4-stroke model families. Because model-year and serial-number coverage may vary, compare the complete engine identification and the original pump components before installation.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n\u003ctable class=\"ss-table\" aria-label=\"Tohatsu\/Nissan Compatibility\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eStroke\u003c\/th\u003e\n\u003cth\u003eOEM Part No.\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\/Nissan\u003c\/td\u003e\n\u003ctd\u003eNS25C2, NS25C3, M25C2, M25C3, M25H, MX25H\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e361-87322-0 \/ 361-87322-1 \/ 361-87322-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\/Nissan\u003c\/td\u003e\n\u003ctd\u003eNS30A3, NS30A4, M30A3, M30A4, M30H, MX30H\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e361-87322-0 \/ 361-87322-1 \/ 361-87322-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\/Nissan\u003c\/td\u003e\n\u003ctd\u003eNS35C, M35C\u003c\/td\u003e\n\u003ctd\u003e35\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e361-87322-0 \/ 361-87322-1 \/ 361-87322-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\/Nissan\u003c\/td\u003e\n\u003ctd\u003eNS40C, NS40C2, M40C\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e361-87322-0 \/ 361-87322-1 \/ 361-87322-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n\u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eWater pump impeller repair kit\u003c\/dd\u003e\n\u003cdt\u003eApplication\u003c\/dt\u003e\n\u003cdd\u003eRaw-water pump service for selected Mercury, Mariner, Tohatsu, and Nissan outboards\u003c\/dd\u003e\n\u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eReplacement installation using the original pump assembly and engine-specific service procedure\u003c\/dd\u003e\n\u003cdt\u003eConstruction\u003c\/dt\u003e\n\u003cdd\u003eAftermarket replacement components\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 × Water pump impeller; references 345-65021-0, 47-16154-1, and 161541\u003c\/li\u003e\n\u003cli\u003e1 × Impeller key; reference 332-65022-0\u003c\/li\u003e\n\u003cli\u003e1 × Gasket; reference 348-65029-1\u003c\/li\u003e\n\u003cli\u003e1 × Gasket; reference 348-65018-0\u003c\/li\u003e\n\u003cli\u003e1 × Housing insert; reference 348-65011-0\u003c\/li\u003e\n\u003cli\u003e1 × Guide plate; reference 348-65025-0\u003c\/li\u003e\n\u003cli\u003e4 × Bolts and washers; reference 910103-5652\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eDisconnect the negative battery cable and remove the upper engine cowling.\u003c\/li\u003e\n\u003cli\u003eDisconnect the shift linkage as required by the engine service procedure.\u003c\/li\u003e\n\u003cli\u003eRemove the fasteners securing the lower unit to the engine leg and carefully lower the gearcase.\u003c\/li\u003e\n\u003cli\u003eRemove the water-pump-housing fasteners and lift off the housing to expose the impeller.\u003c\/li\u003e\n\u003cli\u003eRemove the old impeller, key, gaskets, insert, and guide plate, noting their orientation and order.\u003c\/li\u003e\n\u003cli\u003eClean the mating surfaces and inspect the pump housing, driveshaft keyway, and related components for corrosion, cracks, or distortion.\u003c\/li\u003e\n\u003cli\u003eInstall the replacement gasket, guide plate, and housing insert in the correct order for your engine.\u003c\/li\u003e\n\u003cli\u003eFit the key into the driveshaft keyway and install the impeller. Turn the driveshaft in the correct direction so the vanes fold naturally into the housing.\u003c\/li\u003e\n\u003cli\u003eReinstall the pump housing and tighten the fasteners to the engine manufacturer’s specification.\u003c\/li\u003e\n\u003cli\u003eReinstall the lower unit, reconnect the shift linkage, and test the engine in accordance with the manufacturer’s safety procedure. Confirm a strong tell-tale stream and normal operating temperature.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eInstallation should be performed by a qualified technician when the engine-specific service procedure or torque values are not available.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I confirm fitment for my Mercury or Mariner engine?\u003c\/summary\u003e\n\u003cp\u003eRead the model and serial-number information from the engine identification label, usually located on the transom bracket or engine mounting area. Compare the complete model, year, stroke, horsepower, and serial range with the compatibility table. For the listed Mercury applications, the key ranges include S\/N 0N018456 and newer for certain 25 HP models and S\/N 0N001875 and newer for certain 30 HP applications.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat are the signs of a failing water-pump impeller?\u003c\/summary\u003e\n\u003cp\u003eCommon signs include overheating at idle or low speed, a weak or intermittent tell-tale stream, reduced cooling-water flow, or brittle, cracked, or melted rubber pieces found during inspection.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow often should the impeller kit be replaced?\u003c\/summary\u003e\n\u003cp\u003eInspect the impeller at the interval specified by your engine manufacturer and replace it when it shows wear, cracking, deformation, or damage. Frequent operation in saltwater, sand, silt, or contaminated water can shorten service life and may require more frequent inspection.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs the impeller key included?\u003c\/summary\u003e\n\u003cp\u003eYes. The kit includes one impeller key, along with the impeller, gaskets, housing insert, guide plate, and the listed bolts and washers.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eMy Tohatsu or Nissan model is listed, but the year is not shown. How can I confirm fitment?\u003c\/summary\u003e\n\u003cp\u003eCompare the complete model and serial number with the manufacturer’s parts information and compare the original impeller, key, gaskets, insert, and guide plate with the kit components. Matching a reference number is helpful, but the complete engine identification should be used for final fitment confirmation.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs this an OEM part?\u003c\/summary\u003e\n\u003cp\u003eNo. This listing is for an aftermarket replacement kit. The manufacturer references are provided for identification and cross-reference purposes only.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat should I do if the parts do not match my pump?\u003c\/summary\u003e\n\u003cp\u003eDo not force the parts into place or operate the engine with an incorrect pump component. Recheck the model, year, stroke, and serial number, then contact support before installation.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eSafety \u0026amp; Important Information\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eVerify the engine model, year, stroke, horsepower, and serial-number range before ordering.\u003c\/li\u003e\n\u003cli\u003eCompare the replacement components with the original parts before installation.\u003c\/li\u003e\n\u003cli\u003eDisconnect the battery and follow the engine manufacturer’s service and safety procedures.\u003c\/li\u003e\n\u003cli\u003eDo not operate the engine if the cooling-water flow is weak or the engine overheats.\u003c\/li\u003e\n\u003cli\u003eThis is an aftermarket replacement kit, not an OEM component.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePro-Grade Standards\u003c\/strong\u003e — We supply marine replacement parts selected for demanding real-world service conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Global Fulfillment\u003c\/strong\u003e — Standard delivery options are available to most regions; available services and transit times are shown at checkout.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer-Direct Value\u003c\/strong\u003e — Practical aftermarket solutions for routine marine maintenance and repair.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723800678715,"sku":"22KT025-QM","price":39.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/22KT025-QM.png?v=1763032155"},{"product_id":"outboard-motor-full-cover-fits-mercury-yamaha-johnson-evinrude-suzuki-honda-tohatsu-30-60-hp-replaces-data-needed","title":"Universal Outboard Motor Full Cover for 30–60 HP Engines","description":"\u003csection\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis heavy-duty \u003cstrong\u003eOutboard Motor Full Cover\u003c\/strong\u003e is designed for many 30–60 HP outboard engines, including models from Mercury, Mariner, Yamaha, Johnson, Evinrude, Suzuki, Honda, and Tohatsu. It helps protect the engine from sun exposure, water, dust, and debris during storage, mooring, or trailering.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSlip-on installation with a zipper and drawstring hem for a secure fit.\u003c\/li\u003e\n\u003cli\u003eSuitable for engine storage, mooring, and trailering when properly fitted and secured.\u003c\/li\u003e\n\u003cli\u003eWater-resistant polyester construction with UV-resistant treatment.\u003c\/li\u003e\n\u003cli\u003eAdded lower interlining helps provide extra protection around the bottom of the cover during towing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- 🔧 Table Styles (include only once per page) --\u003e\n\u003cstyle\u003e\n .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n table.ss-table th, table.ss-table td {\n padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n }\n table.ss-table th {\n white-space:nowrap;\n word-break:normal;\n letter-spacing:normal;\n font-weight:600;\n background:#f8fafc;\n }\n @media (max-width:480px){\n table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n }\n\u003c\/style\u003e\n\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eThis cover is intended for many 30–60 HP outboard motors from the brands listed below. Compatibility depends on the engine cowling shape and overall dimensions, so compare your motor with the cover measurements before ordering. The fitment ranges below are general application guidance and are not a model-year or serial-number guarantee.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eMercury and Mariner:\u003c\/b\u003e Many 30–60 HP 2-stroke and 4-stroke outboards.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eYamaha:\u003c\/b\u003e Many 30–60 HP 2-stroke and 4-stroke outboards.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eJohnson and Evinrude:\u003c\/b\u003e Many 30–60 HP outboards; E-TEC models may require additional dimensional checking.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eSuzuki:\u003c\/b\u003e Includes general 40–60 HP application guidance; compare the cover dimensions with DF-series engine dimensions before purchase.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eHonda:\u003c\/b\u003e Includes general 40–60 HP application guidance; compare the cover dimensions with BF-series engine dimensions before purchase.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eTohatsu:\u003c\/b\u003e Many 30–60 HP 2-stroke and 4-stroke outboards.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n \u003ctable class=\"ss-table\" aria-label=\"Engine \u0026amp; Model Compatibility\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eBrand\u003c\/th\u003e\n \u003cth\u003eApplication\u003c\/th\u003e\n \u003cth\u003eRated HP\u003c\/th\u003e\n \u003cth\u003eStroke\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eMany models\u003c\/td\u003e\n\u003ctd\u003e30–60\u003c\/td\u003e\n\u003ctd\u003e2-Stroke \u0026amp; 4-Stroke\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eMariner\u003c\/td\u003e\n\u003ctd\u003eMany models\u003c\/td\u003e\n\u003ctd\u003e30–60\u003c\/td\u003e\n\u003ctd\u003e2-Stroke \u0026amp; 4-Stroke\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eMany models\u003c\/td\u003e\n\u003ctd\u003e30–60\u003c\/td\u003e\n\u003ctd\u003e2-Stroke \u0026amp; 4-Stroke\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eJohnson\u003c\/td\u003e\n\u003ctd\u003eMany models\u003c\/td\u003e\n\u003ctd\u003e30–60\u003c\/td\u003e\n\u003ctd\u003e2-Stroke \u0026amp; 4-Stroke\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eEvinrude\u003c\/td\u003e\n\u003ctd\u003eMany models, subject to dimensional check\u003c\/td\u003e\n\u003ctd\u003e30–60\u003c\/td\u003e\n\u003ctd\u003ePrimarily 2-Stroke\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eSuzuki\u003c\/td\u003e\n\u003ctd\u003eDF-series applications subject to dimensional check\u003c\/td\u003e\n\u003ctd\u003e40–60\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eHonda\u003c\/td\u003e\n\u003ctd\u003eBF-series applications subject to dimensional check\u003c\/td\u003e\n\u003ctd\u003e40–60\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eMany models\u003c\/td\u003e\n\u003ctd\u003e30–60\u003c\/td\u003e\n\u003ctd\u003e2-Stroke \u0026amp; 4-Stroke\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n \u003cdt\u003eProduct Type\u003c\/dt\u003e\n \u003cdd\u003eFull Outboard Motor Cover\u003c\/dd\u003e\n \u003cdt\u003eIntended Application\u003c\/dt\u003e\n \u003cdd\u003eMany 30–60 HP outboard motors\u003c\/dd\u003e\n \u003cdt\u003eInstallation\u003c\/dt\u003e\n \u003cdd\u003eSlip-on installation with zipper and drawstring hem\u003c\/dd\u003e\n \u003cdt\u003eMaterial\u003c\/dt\u003e\n \u003cdd\u003ePolyester with water-resistant coating and UV-resistant treatment\u003c\/dd\u003e\n \u003cdt\u003eConstruction\u003c\/dt\u003e\n \u003cdd\u003eDouble-stitched seams with seam protection\u003c\/dd\u003e\n \u003cdt\u003eDimensions\u003c\/dt\u003e\n \u003cdd\u003e70.9 x 56.7 inches (180 x 144 cm)\u003c\/dd\u003e\n \u003cdt\u003eWater Resistance\u003c\/dt\u003e\n \u003cdd\u003eWater-resistant coated fabric\u003c\/dd\u003e\n \u003cdt\u003eUV Protection\u003c\/dt\u003e\n \u003cdd\u003eUV-resistant treatment helps reduce sun exposure and fading\u003c\/dd\u003e\n \u003cdt\u003eColor Options\u003c\/dt\u003e\n \u003cdd\u003eBlack or silver\u003c\/dd\u003e\n \u003cdt\u003eFastening System\u003c\/dt\u003e\n \u003cdd\u003eZipper with drawstring cord hem\u003c\/dd\u003e\n \u003cdt\u003eLower Protection\u003c\/dt\u003e\n \u003cdd\u003eAdded interlining at the bottom for additional protection during towing\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e1 x Outboard Motor Full Cover\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n \u003cli\u003eMake sure the engine is cool, switched off, and securely positioned before installation.\u003c\/li\u003e\n \u003cli\u003eClean and dry the exterior of the outboard motor to avoid trapping dirt or moisture beneath the cover.\u003c\/li\u003e\n \u003cli\u003eUnfold the cover and orient it so the top aligns with the engine cowl.\u003c\/li\u003e\n \u003cli\u003eCarefully pull the cover over the top of the motor, working it down evenly on all sides.\u003c\/li\u003e\n \u003cli\u003eClose the zipper to help secure the cover around the engine.\u003c\/li\u003e\n \u003cli\u003eTighten the drawstring hem around the lower portion of the motor.\u003c\/li\u003e\n \u003cli\u003eBefore trailering, confirm that the cover is snug, fully secured, and clear of moving or hot components.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n \u003csummary\u003eWill this cover fit my specific engine model?\u003c\/summary\u003e\n \u003cp\u003eThe cover is intended for many 30–60 HP outboard motors, but engine cowling sizes and shapes vary by brand, model, year, and configuration. Its listed dimensions are 70.9 x 56.7 inches (180 x 144 cm). Measure your engine and compare the dimensions before ordering. A horsepower rating alone does not guarantee a precise fit.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n \u003csummary\u003eCan I use this cover while trailering my boat?\u003c\/summary\u003e\n \u003cp\u003eThe cover can be used during trailering when it fits properly and the zipper and drawstring are fully secured. Check the cover periodically, especially during longer trips, and do not use it if it is loose or interferes with any moving, steering, or exhaust components.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n \u003csummary\u003eIs the material fully waterproof?\u003c\/summary\u003e\n \u003cp\u003eThe polyester fabric has a water-resistant protective coating and protected seams to help shed rain and spray. It is intended to protect a covered engine from normal outdoor exposure; ensure the cover is correctly fitted and allow the engine and cover to dry when practical.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n \u003csummary\u003eHow should I clean and maintain the cover?\u003c\/summary\u003e\n \u003cp\u003eClean the cover with a soft brush, mild soap, and lukewarm water. Rinse thoroughly and allow it to air dry completely before storage. Avoid harsh detergents, bleach, abrasive cleaners, and high-heat drying, which may damage the fabric or protective coating.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n \u003csummary\u003eWill the color fade in the sun?\u003c\/summary\u003e\n \u003cp\u003eThe fabric has a UV-resistant treatment intended to help reduce sun-related fading and material deterioration. Long-term exposure to intense sunlight can still cause normal wear over time.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n \u003csummary\u003eIs this an OEM cover?\u003c\/summary\u003e\n \u003cp\u003eThis is an aftermarket replacement cover, not an OEM product. It is designed as a general-fit cover for many 30–60 HP outboard applications. Confirm the dimensions and engine configuration before purchase.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n \u003csummary\u003eWhat should I check before ordering?\u003c\/summary\u003e\n \u003cp\u003eConfirm your engine brand, model configuration, cowling shape, and overall dimensions. Also verify that the cover will not obstruct controls, steering components, ventilation, or exhaust areas when installed.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003eMeasure your engine and compare it with the listed cover dimensions before purchase.\u003c\/li\u003e\n \u003cli\u003eHorsepower and brand compatibility are general application guidance; they do not replace a dimensional fit check.\u003c\/li\u003e\n \u003cli\u003eDo not install the cover over a hot or running engine.\u003c\/li\u003e\n \u003cli\u003eKeep the cover clear of moving parts, steering components, sharp edges, and hot exhaust areas.\u003c\/li\u003e\n \u003cli\u003eSecure the zipper and drawstring before trailering, and inspect the cover periodically during use.\u003c\/li\u003e\n \u003cli\u003eThis is an aftermarket replacement product, not an OEM part.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cb\u003eMarine-Focused Products\u003c\/b\u003e — We offer practical replacement and protection products for boating and marine applications.\u003c\/li\u003e\n \u003cli\u003e\n\u003cb\u003eClear Fitment Guidance\u003c\/b\u003e — We provide available dimensions and application information to help customers compare products with their equipment.\u003c\/li\u003e\n \u003cli\u003e\n\u003cb\u003eCustomer Support\u003c\/b\u003e — Contact our support team if you need help reviewing product information before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723965272379,"sku":"ECF407","price":31.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/ECF407.png?v=1763038578"},{"product_id":"water-pump-impeller-kit-fits-tohatsu-nissan-40-50-hp-2-stroke-tldi-4-stroke-outboards-replaces-3t5-87322-3-46-8m0046094","title":"Water Pump Impeller Kit for Tohatsu\/Nissan 40–50 HP 2-Stroke TLDI and 4-Stroke Outboards – Replaces 3T5-87322-3 and 46-8M0046094","description":"\u003csection\u003e\n\u003cstyle\u003e\n .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n table.ss-table th, table.ss-table td { padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top; }\n table.ss-table th { white-space:nowrap; word-break:normal; letter-spacing:normal; font-weight:600; background:#f8fafc; }\n @media (max-width:480px){ table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; } }\n\u003c\/style\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis aftermarket \u003cstrong\u003ewater pump impeller service kit\u003c\/strong\u003e is intended for selected Tohatsu and Nissan 40–50 HP outboard motors, including 2-Stroke TLDI and 4-Stroke models. It provides the listed water-pump service components for replacing worn pump parts and helping restore proper engine cooling.\u003c\/p\u003e\n\u003cp\u003eThe kit is listed as a replacement for Tohatsu\/Nissan part numbers \u003cstrong\u003e3T5-87322-3\u003c\/strong\u003e, \u003cstrong\u003e3T5-87322-2\u003c\/strong\u003e, \u003cstrong\u003e3T5-87322-1\u003c\/strong\u003e, and \u003cstrong\u003e3T5-87322-0\u003c\/strong\u003e, including the corresponding manufacturer suffix variations, as well as Mercury\/Mariner part number \u003cstrong\u003e46-8M0046094\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eWater-pump service kit for selected 40–50 HP Tohatsu and Nissan outboards.\u003c\/li\u003e\n \u003cli\u003eIncludes an impeller, key, liner or insert, plates, gaskets, and mounting hardware as listed below.\u003c\/li\u003e\n \u003cli\u003eAftermarket replacement components for water-pump maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse the following references together with your engine model, year, serial number, and original component before ordering.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n\u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu \/ Nissan\u003c\/td\u003e\n\u003ctd\u003e3T5-87322-3, 3T5-87322-3M, 3T5-87322-2, 3T5-87322-2M, 3T5-87322-1, 3T5-87322-1M, 3T5-87322-0, 3T5-87322-0M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury \/ Mariner\u003c\/td\u003e\n\u003ctd\u003e46-8M0046094\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eThe applications below are the listed compatibility references. Model, year, serial number, stroke type, and original part number must be checked together because fitment may vary within the same horsepower range.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n\u003ctable class=\"ss-table\" aria-label=\"Engine and Model Compatibility\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eStroke\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eOEM Part No.\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eMD40B2\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e2-Stroke TLDI\u003c\/td\u003e\n\u003ctd\u003e2010–2014\u003c\/td\u003e\n\u003ctd\u003e3T5-87322-3\u003c\/td\u003e\n\u003ctd\u003eVerify serial number and original part.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eMD50B2\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e2-Stroke TLDI\u003c\/td\u003e\n\u003ctd\u003e2010–2014\u003c\/td\u003e\n\u003ctd\u003e3T5-87322-3\u003c\/td\u003e\n\u003ctd\u003eVerify serial number and original part.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eMFS40A\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2014\u003c\/td\u003e\n\u003ctd\u003e3T5-87322-3\u003c\/td\u003e\n\u003ctd\u003eVerify serial number and original part.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eMFS50A\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2014\u003c\/td\u003e\n\u003ctd\u003e3T5-87322-3\u003c\/td\u003e\n\u003ctd\u003eVerify serial number and original part.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eMD40B(AQ)\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e2-Stroke TLDI\u003c\/td\u003e\n\u003ctd\u003e2006\u003c\/td\u003e\n\u003ctd\u003e3T5-87322-3\u003c\/td\u003e\n\u003ctd\u003eSelect 2006 application; verify carefully.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eMD50B(AQ)\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e2-Stroke TLDI\u003c\/td\u003e\n\u003ctd\u003e2006\u003c\/td\u003e\n\u003ctd\u003e3T5-87322-3\u003c\/td\u003e\n\u003ctd\u003eSelect 2006 application; verify carefully.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eNSD40B2\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e2-Stroke TLDI\u003c\/td\u003e\n\u003ctd\u003e2010–2014\u003c\/td\u003e\n\u003ctd\u003e3T5-87322-3\u003c\/td\u003e\n\u003ctd\u003eVerify serial number and original part.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eNSD50B2\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e2-Stroke TLDI\u003c\/td\u003e\n\u003ctd\u003e2010–2014\u003c\/td\u003e\n\u003ctd\u003e3T5-87322-3\u003c\/td\u003e\n\u003ctd\u003eVerify serial number and original part.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eNSF40A\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2014\u003c\/td\u003e\n\u003ctd\u003e3T5-87322-3\u003c\/td\u003e\n\u003ctd\u003eVerify serial number and original part.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eNSF50A\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2014\u003c\/td\u003e\n\u003ctd\u003e3T5-87322-3\u003c\/td\u003e\n\u003ctd\u003eVerify serial number and original part.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eNSD40B(AQ)\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e2-Stroke TLDI\u003c\/td\u003e\n\u003ctd\u003e2006\u003c\/td\u003e\n\u003ctd\u003e3T5-87322-3\u003c\/td\u003e\n\u003ctd\u003eSelect 2006 application; verify carefully.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eNSD50B(AQ)\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e2-Stroke TLDI\u003c\/td\u003e\n\u003ctd\u003e2006\u003c\/td\u003e\n\u003ctd\u003e3T5-87322-3\u003c\/td\u003e\n\u003ctd\u003eSelect 2006 application; verify carefully.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdl\u003e\n \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eWater pump impeller service kit\u003c\/dd\u003e\n \u003cdt\u003eApplication\u003c\/dt\u003e\n\u003cdd\u003eSelected Tohatsu and Nissan 40–50 HP outboards\u003c\/dd\u003e\n \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eReplacement water-pump service components\u003c\/dd\u003e\n \u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003ePA66 nylon plastic\u003c\/dd\u003e\n \u003cdt\u003eHousing Color\u003c\/dt\u003e\n\u003cdd\u003eBlack\u003c\/dd\u003e\n \u003cdt\u003eImpeller Material\u003c\/dt\u003e\n\u003cdd\u003eNeoprene rubber\u003c\/dd\u003e\n \u003cdt\u003eProduct Status\u003c\/dt\u003e\n\u003cdd\u003eAftermarket replacement; not an OEM component\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e1 × Water pump impeller — 3C8-65021-2\u003c\/li\u003e\n \u003cli\u003e1 × Impeller key — 332-65022-0\u003c\/li\u003e\n \u003cli\u003e1 × Pump case liner\/insert — 3T5-65011-0\u003c\/li\u003e\n \u003cli\u003e1 × Water pump guide plate — 3C8-65025-0\u003c\/li\u003e\n \u003cli\u003e1 × Guide plate gasket — 3C8-65029-0\u003c\/li\u003e\n \u003cli\u003e1 × Pump case gasket — 3C8-65018-0 \/ 3T5-65018-2\u003c\/li\u003e\n \u003cli\u003e4 × Screw\/bolt — 910113-5855 \/ 9101E3-5855\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n \u003cli\u003eDisconnect the battery and shift linkage according to the applicable service procedure.\u003c\/li\u003e\n \u003cli\u003eRemove the lower-unit mounting bolts and carefully lower the gearcase.\u003c\/li\u003e\n \u003cli\u003eUnbolt and remove the existing water-pump housing assembly.\u003c\/li\u003e\n \u003cli\u003eClean the mounting surfaces and inspect the driveshaft, keyway, water tube, and related hardware for wear or damage.\u003c\/li\u003e\n \u003cli\u003eInstall the replacement key, impeller, gaskets, plates, and liner or insert from the kit in the correct orientation.\u003c\/li\u003e\n \u003cli\u003eSecure the water-pump housing using the supplied hardware and the manufacturer’s specified torque.\u003c\/li\u003e\n \u003cli\u003eReinstall the lower unit, confirming that the water tube and driveshaft are properly aligned.\u003c\/li\u003e\n \u003cli\u003eReconnect the shift linkage and battery.\u003c\/li\u003e\n \u003cli\u003eRun the engine with an appropriate water supply and confirm water flow from the tell-tale outlet before normal operation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eHow do I know if this kit fits my Tohatsu or Nissan engine?\u003c\/summary\u003e\u003cp\u003eCompare your complete engine model, horsepower, stroke type, year, serial number, and original water-pump part number with the compatibility information above. Do not rely on horsepower alone. If the original component or mounting arrangement differs, confirm fitment before ordering.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWill this kit fit a 2006 engine?\u003c\/summary\u003e\u003cp\u003eIt is listed for selected 2006 MD40B(AQ), MD50B(AQ), NSD40B(AQ), and NSD50B(AQ) applications. Verify the engine serial number and original part number because year and horsepower alone do not establish fitment.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat are the signs of a worn water-pump impeller?\u003c\/summary\u003e\u003cp\u003ePossible signs include weak or absent water flow from the tell-tale outlet, overheating warnings, and abnormal engine temperature. Inspect the complete cooling system and replace worn components according to the engine manufacturer’s service schedule.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhy are multiple part numbers listed for the gaskets and bolts?\u003c\/summary\u003e\u003cp\u003eThe listed numbers represent the component references supplied for this kit and may reflect different manufacturer number versions or applications. Compare the replacement parts with the removed components and use the parts appropriate for your specific engine.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this an OEM part?\u003c\/summary\u003e\u003cp\u003eNo. This is an aftermarket replacement kit intended for the applications and reference numbers listed on this page.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow should I confirm the kit before installation?\u003c\/summary\u003e\u003cp\u003eCompare the new parts with the original water-pump components before disassembly or installation. Check the impeller, key, liner or insert, plates, gaskets, and mounting hardware for matching dimensions and mounting details.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat are the shipping and return terms?\u003c\/summary\u003e\u003cp\u003eTypical transit is 5–15 days, with standard shipping available at no additional charge where offered. Expedited options, availability, and return eligibility are shown at checkout and are subject to the applicable store policy.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Information\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003eConfirm the model, year, serial number, stroke type, and original part number before purchase.\u003c\/li\u003e\n \u003cli\u003eCompare the supplied parts with the original components before installation.\u003c\/li\u003e\n \u003cli\u003eDo not operate an outboard without an adequate water supply for cooling.\u003c\/li\u003e\n \u003cli\u003eFollow the engine manufacturer’s service procedures and torque specifications.\u003c\/li\u003e\n \u003cli\u003eThis is an aftermarket replacement kit, not an OEM component. Professional installation is recommended when required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003ePro-Grade Standards — Marine replacement parts selected for dependable service in real-world conditions.\u003c\/li\u003e\n \u003cli\u003eFast Global Fulfillment — Standard delivery is available to most regions, with estimated transit commonly listed as 5–15 days.\u003c\/li\u003e\n \u003cli\u003eManufacturer-Direct Value — Competitive pricing on aftermarket marine maintenance components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723972546875,"sku":"g3W8buKM151","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/g3W8buKM151.png?v=1763038861"}],"url":"https:\/\/seasierra.com\/collections\/tohatsu-40hp-4-stroke-outboard-engine-parts.oembed","provider":"SeaSierra","version":"1.0","type":"link"}