{"title":"Universal 4-Stroke 50HP Outboard Marine Engine Parts","description":"\u003csection id=\"hero\" style=\"padding:16px; border:1px solid #e5e5e5; border-radius:8px;\"\u003e\n  \u003cp\u003eThis page is dedicated to Universal 4-Stroke 50HP outboard engines. Use it to find compatible replacement parts and service guidance, including maintenance tips, commonly replaced items, and troubleshooting checks. You can also browse the main Universal collection to see all compatible categories. Scroll to the bottom of this page to start browsing parts for this engine, and remember that on the collection page you can use the Filter \u0026amp; Sort controls to narrow by horsepower, year range, and part category.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/service-maintenance-kits\" style=\"display:inline-block; padding:10px 14px; background:#005bbb; color:#fff; text-decoration:none; border-radius:6px;\"\u003eBrowse All Universal Parts\u003c\/a\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"identify-model\" style=\"padding:16px;\"\u003e\n  \u003ch2\u003eHow to Identify Your 50HP Model\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eFind the identification\/serial plate on the transom bracket or swivel bracket; some models also have a sticker under the engine cowl near the timing belt cover.\u003c\/li\u003e\n    \u003cli\u003eRead the full model code and suffix. Suffix letters often indicate shaft length (S\/L\/XL), control type (tiller vs. remote), starting method, and minor year revisions.\u003c\/li\u003e\n    \u003cli\u003eFor 4‑stroke 50HP platforms, many brands offered two layouts over the years: an inline‑3 EFI design and an inline‑4 (carbureted on earlier versions). Confirm which you have before ordering parts.\u003c\/li\u003e\n    \u003cli\u003eRecord the serial number range and market (US\/EU\/AUS), as ignition and fuel system parts can vary by region.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"engine-overview\" style=\"padding:16px;\"\u003e\n  \u003ch2\u003ePlatform Overview\u003c\/h2\u003e\n  \u003ch3\u003eInline‑3 EFI 4‑Stroke (common 40\/50\/60 family)\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;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd;\"\u003eDescription\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eConfiguration\u003c\/td\u003e\n        \u003ctd\u003eInline‑3, EFI 4‑stroke; often shares major components with 40HP and 60HP variants.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eCommon Models\u003c\/td\u003e\n        \u003ctd\u003eExamples across brands include EFI 50HP families frequently paired with 40\/60 platforms.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eAdvantages\u003c\/td\u003e\n        \u003ctd\u003eStrong mid‑range torque, simple maintenance, broad parts availability.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eNotes\u003c\/td\u003e\n        \u003ctd\u003eCooling and gearcase parts often interchange with 40\/60 siblings; confirm gear ratio and serial\/market before ordering.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003eInline‑4 4‑Stroke (earlier carbureted, some later EFI)\u003c\/h3\u003e\n  \u003ctable style=\"width:100%; border-collapse:collapse; margin-top:10px;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd;\"\u003eDescription\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eConfiguration\u003c\/td\u003e\n        \u003ctd\u003eInline‑4 4‑stroke; earlier units are carbureted, later variants may use EFI.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eCommon Models\u003c\/td\u003e\n        \u003ctd\u003eFound on some 50HP ranges from major brands during transition years to EFI.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eAdvantages\u003c\/td\u003e\n        \u003ctd\u003eSmooth idle and good balance; robust charging systems on many models.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eNotes\u003c\/td\u003e\n        \u003ctd\u003eCarb vs. EFI affects fuel and ignition parts. Carbureted versions require periodic carb synchronization\/cleaning.\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\" style=\"padding:16px;\"\u003e\n  \u003ch2\u003eRoutine Maintenance \u0026amp; Service Parts\u003c\/h2\u003e\n  \u003cp\u003eIntervals below are general guidelines for 4‑stroke 50HP outboards; always follow the official service manual 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;\"\u003eItem\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd;\"\u003eInterval*\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd;\"\u003eRemarks\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd;\"\u003eParts Link\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eEngine oil \u0026amp; filter\u003c\/td\u003e\n        \u003ctd\u003eAfter first 20 hrs, then every 100 hrs or annually\u003c\/td\u003e\n        \u003ctd\u003eUse marine 4‑stroke oil; replace drain and crush washers as specified.\u003c\/td\u003e\n        \u003ctd\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\u003eGear oil (lower unit)\u003c\/td\u003e\n        \u003ctd\u003eEvery 100 hrs or annually\u003c\/td\u003e\n        \u003ctd\u003eInspect for water intrusion\/metal; replace seals if milkiness or leakage is found.\u003c\/td\u003e\n        \u003ctd\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/lower-unit-seal-kits\"\u003eLower Unit Seal Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eSpark plugs\u003c\/td\u003e\n        \u003ctd\u003eInspect every 100 hrs; replace 200–300 hrs or as needed\u003c\/td\u003e\n        \u003ctd\u003eCheck gap and color; replace sooner for extended trolling or poor fuel quality.\u003c\/td\u003e\n        \u003ctd\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\u003eFuel filter \/ water separator\u003c\/td\u003e\n        \u003ctd\u003eInspect every 50–100 hrs; replace annually\u003c\/td\u003e\n        \u003ctd\u003eDrain or replace more often in ethanol or humid environments.\u003c\/td\u003e\n        \u003ctd\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\u003eWater pump impeller \/ kit\u003c\/td\u003e\n        \u003ctd\u003eEvery 2–3 seasons or 200 hrs\u003c\/td\u003e\n        \u003ctd\u003eReplace sooner if weak telltale, overheat alarm, or sand\/silt use.\u003c\/td\u003e\n        \u003ctd\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/water-pump-impeller-rebuild-kits\"\u003eWater Pump Impeller Rebuild Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eAnodes (zincs)\u003c\/td\u003e\n        \u003ctd\u003eInspect monthly; replace when 50% consumed\u003c\/td\u003e\n        \u003ctd\u003eMatch alloy to water type (salt, brackish, fresh).\u003c\/td\u003e\n        \u003ctd\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/anodes\"\u003eAnodes\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\" style=\"padding:16px;\"\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\/water-pumps\"\u003eWater Pumps\u003c\/a\u003e and \u003ca href=\"https:\/\/seasierra.com\/collections\/impellers\"\u003eImpellers\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 and \u003ca href=\"https:\/\/seasierra.com\/collections\/fuel-pumps\"\u003eFuel Pumps\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eIgnition \/ Electrical — \u003ca href=\"https:\/\/seasierra.com\/collections\/electrical-items\"\u003eElectrical Items\u003c\/a\u003e and \u003ca href=\"https:\/\/seasierra.com\/collections\/starters\"\u003eStarters\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\u003ePropulsion — \u003ca href=\"https:\/\/seasierra.com\/collections\/propellers\"\u003ePropellers\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eSealing \u0026amp; Gaskets — \u003ca href=\"https:\/\/seasierra.com\/collections\/gaskets\"\u003eGaskets\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"troubleshooting\" style=\"padding:16px;\"\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;\"\u003eSymptom\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd;\"\u003eCheck First\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd;\"\u003eRelated Parts\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eWeak telltale or overheat alarm\u003c\/td\u003e\n        \u003ctd\u003eInspect intake screens for debris; verify thermostat operation; check impeller wear.\u003c\/td\u003e\n        \u003ctd\u003eWater pump kit, thermostat, intake screen, anodes\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003ePoor acceleration or power loss\u003c\/td\u003e\n        \u003ctd\u003eConfirm prop condition\/pitch; check fuel filter restriction; inspect spark plugs.\u003c\/td\u003e\n        \u003ctd\u003ePropeller, fuel filter, spark plugs\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eHard starting or rough idle\u003c\/td\u003e\n        \u003ctd\u003ePrime fuel system; replace stale fuel; clean\/inspect injectors or carb circuits; verify IAC operation and vacuum leaks.\u003c\/td\u003e\n        \u003ctd\u003eFuel filter, injectors or carb kits, spark plugs\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eGearcase noise or metal in gear oil\u003c\/td\u003e\n        \u003ctd\u003eCheck oil level\/condition; inspect for line on prop shaft; pressure test for seal leakage.\u003c\/td\u003e\n        \u003ctd\u003eLower unit seal kit, bearings, prop shaft hardware\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eCharging issues (low or over‑voltage)\u003c\/td\u003e\n        \u003ctd\u003eLoad test battery; inspect wiring\/grounds; test rectifier\/regulator output.\u003c\/td\u003e\n        \u003ctd\u003eRectifier\/regulator, battery cables, connectors\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"faq\" style=\"padding:16px;\"\u003e\n  \u003ch2\u003eFAQs\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eAre parts interchangeable across different years or platforms?\u003c\/summary\u003e\n    \u003cp\u003eSome service parts (anodes, impellers, filters) may interchange across 40\/50\/60 families and model years, but fuel, ignition, and control parts often differ. Always verify by model code and serial number.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhen should I replace the impeller?\u003c\/summary\u003e\n    \u003cp\u003eAs a preventive measure, replace the impeller every 2–3 seasons or ~200 hours. Replace sooner if the telltale weakens, the engine overheats, or if you run in sandy\/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\u003eChange lower unit gear oil every 100 hours or annually. Inspect for water intrusion (milky oil) and metal particles; service seals if contamination is present.\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 full model code, serial number, shaft length, control type (tiller\/remote), and region of sale. Clear photos of the nameplate and the part you’re replacing are also helpful.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"cta\" style=\"padding:16px; border-top:1px solid #e5e5e5;\"\u003e\n  \u003cp\u003eReady to find parts for your Universal 4‑Stroke 50HP? Browse the main collection and refine by horsepower, year, and model to locate the right components for your engine.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/service-maintenance-kits\" style=\"display:inline-block; padding:10px 14px; background:#005bbb; color:#fff; text-decoration:none; border-radius:6px;\"\u003eBrowse Universal 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-marine-outboard-and-sterndrive-motors-5-150-hp-replaces-quickmarine-hs001","title":"Hydrofoil Stabilizer – Marine Outboard and Sterndrive Motors 5–150 HP (Replaces QuickMarine HS001)","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-fit \u003cstrong\u003eHydrofoil Stabilizer – Fits Marine Outboard and Sterndrive Motors 5–150 HP\u003c\/strong\u003e is designed for outboard and sterndrive motors from 5–150 HP, compatible with most major brands including Yamaha, Mercury, Honda, Suzuki, and Tohatsu. Made of durable, marine-grade UV-resistant reinforced nylon (PA66) plastic, it enhances performance for a variety of boats, especially beneficial for aluminum boats, jon boats, and inflatable boats by improving planing speed and stability.\u003c\/p\u003e\n\u003cp\u003eIt serves as a direct aftermarket replacement for QuickMarine HS001-White and FO2001 hydrofoils.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInstalls directly onto the engine's cavitation plate with the included SS316 hardware.\u003c\/li\u003e\n\u003cli\u003eImproves planing speed, reduces porpoising (bow oscillation), and increases stability during operation.\u003c\/li\u003e\n\u003cli\u003eModern design eliminates the downturned trailing edge and cupped underside to reduce drag.\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 suppliers.\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\u003eQuickMarine\u003c\/td\u003e\n        \u003ctd\u003eHS001-White\u003c\/td\u003e\n        \u003ctd\u003eDirect Replacement\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eAftermarket\u003c\/td\u003e\n        \u003ctd\u003eFO2001\u003c\/td\u003e\n        \u003ctd\u003eDirect Replacement\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 and horsepower in the table below. This hydrofoil offers a universal fit for most engines in its designated horsepower range.\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\u003eMotor Types\u003c\/th\u003e\n        \u003cth\u003eHP Range\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\u003eOutboard\u003c\/td\u003e\n        \u003ctd\u003e5–150 HP\u003c\/td\u003e\n        \u003ctd\u003eAll 2-stroke and 4-stroke models\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003eOutboard\/Sterndrive\u003c\/td\u003e\n        \u003ctd\u003e5–150 HP\u003c\/td\u003e\n        \u003ctd\u003eAll 2-stroke and 4-stroke models\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eHonda\u003c\/td\u003e\n        \u003ctd\u003eOutboard\u003c\/td\u003e\n        \u003ctd\u003e5–150 HP\u003c\/td\u003e\n        \u003ctd\u003eAll 4-stroke models\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eSuzuki\u003c\/td\u003e\n        \u003ctd\u003eOutboard\u003c\/td\u003e\n        \u003ctd\u003e5–150 HP\u003c\/td\u003e\n        \u003ctd\u003eAll 2-stroke and 4-stroke models\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eTohatsu\u003c\/td\u003e\n        \u003ctd\u003eOutboard\u003c\/td\u003e\n        \u003ctd\u003e5–150 HP\u003c\/td\u003e\n        \u003ctd\u003eAll 2-stroke and 4-stroke models\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eOther\u003c\/td\u003e\n        \u003ctd\u003eOutboard\/Sterndrive\u003c\/td\u003e\n        \u003ctd\u003e5–40 HP\u003c\/td\u003e\n        \u003ctd\u003eParticularly effective on smaller motors\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\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eEngine-mounted with included hardware\u003c\/dd\u003e\n  \u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003eMarine-grade UV-resistant reinforced nylon (PA66) plastic\u003c\/dd\u003e\n  \u003cdt\u003eHousing Color\u003c\/dt\u003e\n\u003cdd\u003eWhite\u003c\/dd\u003e\n  \u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003eEach wing: 10-1\/4\" × 8-1\/4\" (260 mm × 210 mm)\u003c\/dd\u003e\n  \u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e2.45 lbs (1.11 kg)\u003c\/dd\u003e\n  \u003cdt\u003eMounting Type\u003c\/dt\u003e\n\u003cdd\u003eEngine mount (cavitation plate)\u003c\/dd\u003e\n  \u003cdt\u003eAssembly Required\u003c\/dt\u003e\n\u003cdd\u003eYes\u003c\/dd\u003e\n  \u003cdt\u003eCompatibility\u003c\/dt\u003e\n\u003cdd\u003eUniversal fit for 5-150 HP outboard and sterndrive motors\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 (HS001-White)\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e4 x Sets\u003c\/span\u003e of SS316 bolts, nuts, and gaskets\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eEnsure the engine is switched off and the outboard is tilted up to a comfortable working position.\u003c\/li\u003e\n\u003cli\u003eCenter one wing of the hydrofoil on the anti-cavitation plate of your motor.\u003c\/li\u003e\n\u003cli\u003eUse a marker to carefully mark the locations for the two mounting holes on that side.\u003c\/li\u003e\n\u003cli\u003eRemove the hydrofoil and drill the marked holes using an appropriately sized drill bit for the included hardware.\u003c\/li\u003e\n\u003cli\u003ePlace the hydrofoil back onto the plate, aligning it with the drilled holes.\u003c\/li\u003e\n\u003cli\u003eInsert the SS316 bolts from the top and secure them loosely with the provided gaskets and nuts from underneath.\u003c\/li\u003e\n\u003cli\u003eRepeat the process for the other wing.\u003c\/li\u003e\n\u003cli\u003eOnce both sides are attached, tighten all four nuts evenly and securely. Do not overtighten, as this could damage the cavitation plate.\u003c\/li\u003e\n\u003cli\u003eCheck that the hydrofoil is firmly attached and does not interfere with the propeller's movement.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat is the optimal HP range for this hydrofoil?\u003c\/summary\u003e\n  \u003cp\u003eWhile this hydrofoil is compatible with motors up to 150 HP, it is especially effective on smaller motors in the 5–40 HP range. It helps lighter boats get on plane faster and improves stability at low speeds.\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 product features a universal design intended for most outboard and sterndrive motors from 5–150 HP. As no specific brand-model-year compatibility chart is available, you should verify the fit by checking your engine's anti-cavitation plate dimensions against the hydrofoil's size: each wing measures 10-1\/4\" × 8-1\/4\".\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow does this design help reduce drag?\u003c\/summary\u003e\n  \u003cp\u003eUnlike older hydrofoil designs, this model eliminates the downturned trailing edge and cupped underside. This modern, streamlined profile reduces drag through the water, leading to better fuel efficiency and speed.\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 the motor's anti-cavitation plate. This allows you to securely bolt the hydrofoil in place for safe and effective operation. All necessary mounting hardware is included.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat are the main performance benefits?\u003c\/summary\u003e\n  \u003cp\u003eThis hydrofoil improves planing speed, reduces the time it takes to get on plane, minimizes porpoising (bow oscillation), and provides significantly better stability and tracking during operation. It is particularly beneficial for aluminum boats, jon boats, and inflatable boats.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs this an original QuickMarine part?\u003c\/summary\u003e\n  \u003cp\u003eNo, this is an aftermarket replacement for the QuickMarine HS001-White. It is designed to match the fit and function of the original part using comparable high-quality 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). It is built to OEM-level specifications with comparable materials and manufactured in an ISO 9002 facility, where it is batch-inspected for consistency and reliability.\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 time is 5–15 days. Standard shipping is free to most regions, with expedited options available at checkout where applicable.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWarranty \u0026amp; returns\u003c\/summary\u003e\n  \u003cp\u003eThis product is covered by a 1-year warranty against manufacturing defects under normal use. If you encounter any issues, please contact our support team with your order details. Returns are accepted within our standard window for items that are unused and in their original condition. See our full 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 and specifications against your original part before purchasing. If anything differs—even if your model appears on a compatibility list—do not order.\u003c\/li\u003e\n\u003cli\u003eThis is an aftermarket replacement part, not an original equipment manufacturer (OEM) component. Part numbers and brand names are used for reference only.\u003c\/li\u003e\n\u003cli\u003eProfessional installation is highly recommended for safety, proper function, and optimal performance. Improper installation can lead to component failure or unsafe operating conditions.\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 rigorously tested for real-world reliability and performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Global Fulfillment\u003c\/strong\u003e — With warehouses worldwide, we offer free standard delivery to most regions in 5–15 days and provide transparent tracking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer-Direct Value\u003c\/strong\u003e — By working directly with manufacturers, we deliver high-quality components at fair prices without compromising on materials or quality control.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50717907026235,"sku":"HS001-Grey-QM","price":41.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/HS001-Grey-QM.png?v=1762938108"},{"product_id":"hydrofoil-stabilizer-fits-outboard-motors-stern-drives-5-150-hp-replaces-seasierra-19hs-uanofcn-fo2001","title":"Hydrofoil Stabilizer – Fits Outboard Motors \u0026 Stern Drives 5-150 HP (Replaces SeaSierra 19HS, Uanofcn 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 universal \u003cstrong\u003eHydrofoil Stabilizer – Fits Outboard Motors \u0026amp; Stern Drives 5-150 HP (Dorsal Fin Style)\u003c\/strong\u003e is engineered for a wide range of boats with 5-150 HP outboard motors and stern drives (supporting some vessels up to 200 HP). Its dorsal fin design, constructed from high-strength reinforced Nylon PA66 plastic, improves on-plane performance, increases stability, and reduces cavitation.\u003c\/p\u003e\n\u003cp\u003eThis unit serves as a direct replacement for SeaSierra 19HS, Uanofcn FO2001, JLM Marine Hydrofoil Stabilizer, and HS001 Doel-Fin models.\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003eFeatures a bolt-on installation method, requiring drilling into the cavitation plate.\u003c\/li\u003e\n    \u003cli\u003eBuilt with marine-grade, UV-resistant materials to withstand harsh saltwater and freshwater environments.\u003c\/li\u003e\n    \u003cli\u003eThe kit includes all necessary stainless steel mounting hardware and a 6.5mm drill bit for a complete setup.\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\u003e19HS\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\u003eJLM Marine\u003c\/td\u003e\n        \u003ctd\u003eHydrofoil Stabilizer\u003c\/td\u003e\n      \u003c\/tr\u003e\n       \u003ctr\u003e\n        \u003ctd\u003eDoel-Fin\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\/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 Type\u003c\/th\u003e\n        \u003cth\u003eRated HP\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\u003eAll Brands\u003c\/td\u003e\n        \u003ctd\u003eOutboard Motors\u003c\/td\u003e\n        \u003ctd\u003e5-150 HP\u003c\/td\u003e\n        \u003ctd\u003eUniversal fit\u003c\/td\u003e\n        \u003ctd\u003eNot compatible with Volvo Penta 280\/290 outdrives and BMW Outdrives for engines over 50HP\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eAll Brands\u003c\/td\u003e\n        \u003ctd\u003eStern Drives\u003c\/td\u003e\n        \u003ctd\u003e5-150 HP\u003c\/td\u003e\n        \u003ctd\u003eUniversal fit\u003c\/td\u003e\n        \u003ctd\u003eCompatible with Volvo Penta 270 outdrive\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eAll Brands\u003c\/td\u003e\n        \u003ctd\u003eOutboards\/Outdrives\u003c\/td\u003e\n        \u003ctd\u003eUp to 200 HP\u003c\/td\u003e\n        \u003ctd\u003eUniversal fit\u003c\/td\u003e\n        \u003ctd\u003ePerformance may vary based on boat configuration\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, Dorsal Fin Style\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eBolt-on (drilling required)\u003c\/dd\u003e\n  \u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003eReinforced Nylon PA66 Plastic\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: 10-1\/4 inches (260 mm), W: 8-1\/4 inches (210 mm)\u003c\/dd\u003e\n  \u003cdt\u003eFitting Type\u003c\/dt\u003e\n\u003cdd\u003eBolt-on with stainless steel hardware\u003c\/dd\u003e\n  \u003cdt\u003eCompatible HP Range\u003c\/dt\u003e\n\u003cdd\u003e5-150 HP (up to 200 HP)\u003c\/dd\u003e\n  \u003cdt\u003eOther Technical Attributes\u003c\/dt\u003e\n\u003cdd\u003eUV-Resistant, Marine-grade construction\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\n\u003cspan style=\"color:#d0021b;\"\u003e4 x Sets\u003c\/span\u003e of Stainless Steel Mounting Hardware (bolts, nuts, washers)\u003c\/li\u003e\n    \u003cli\u003e\u003cspan style=\"color:#d0021b;\"\u003e1 x Drill bit (6.5mm)\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 secured on a trailer or lift before beginning.\u003c\/li\u003e\n    \u003cli\u003eCenter the hydrofoil on the anti-cavitation plate of your motor. Verify it does not obstruct the propeller's path of motion.\u003c\/li\u003e\n    \u003cli\u003eUse a pencil or marker to mark the four drill points on the plate through the hydrofoil's 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\u003eReposition the hydrofoil, aligning it with the newly drilled holes.\u003c\/li\u003e\n    \u003cli\u003eInsert the stainless steel bolts from the top down, placing a washer and nut on each bolt from underneath the plate.\u003c\/li\u003e\n    \u003cli\u003eTighten all nuts evenly until the hydrofoil is firmly secured. Do not overtighten to avoid damaging the plate.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWill this hydrofoil fit my specific motor model?\u003c\/summary\u003e\n  \u003cp\u003eThis is a universal stabilizer designed for most outboard and stern drive engines from 5-150 HP. It is compatible with all major brands like Mercury, Yamaha, Honda, and Suzuki. Please note the specific exclusions for Volvo Penta 280\/290 and certain BMW outdrives over 50 HP.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat performance benefits can I realistically expect?\u003c\/summary\u003e\n  \u003cp\u003eBenefits vary by boat hull, weight, and operating conditions, but users typically report getting on plane faster, maintaining plane at lower speeds, reduced porpoising and bouncing, and improved stability and handling.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs it safe to drill into my engine's cavitation plate?\u003c\/summary\u003e\n  \u003cp\u003eYes, drilling into the cavitation plate is the standard and accepted method for mounting hydrofoils. The plate is designed to be strong enough for this modification. Ensure drilling is done carefully according to the instructions.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow do I know if the hydrofoil is installed correctly?\u003c\/summary\u003e\n  \u003cp\u003eA correct installation will be perfectly centered on the cavitation plate, with the hydrofoil sitting level. All mounting hardware should be tight, and there should be no wobble or movement. Ensure it does not interfere with the propeller or steering linkage.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow does the Nylon PA66 material compare to aluminum hydrofoils?\u003c\/summary\u003e\n  \u003cp\u003eNylon PA66 is a high-strength, impact-resistant engineering plastic that is impervious to corrosion and UV damage, making it ideal for marine environments. Unlike aluminum, it will not corrode, bend, or fatigue from vibration over time.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eDoes the hydrofoil require any regular maintenance?\u003c\/summary\u003e\n  \u003cp\u003eThe hydrofoil itself is maintenance-free. However, it is good practice to periodically check that the stainless steel mounting bolts remain tight as part of your regular pre-launch inspection.\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":50717907091771,"sku":"SS-19HS001","price":29.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/SS-19HS001.png?v=1762938109"},{"product_id":"hydrofoil-stabilizer-fits-outboard-stern-drives-40-300-hp-replaces-suprememarine-fo2003-uanofcn-fo2003-jdsnaey-sport-300-fo2003-northboat-fo2003","title":"Hydrofoil Stabilizer – Fits Outboard \u0026 Stern Drives 40-300 HP (Replaces SupremeMarine FO2003, UANOFCN FO2003, JDSNAEY Sport 300 FO2003, NorthBoat FO2003)","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 universal \u003cstrong\u003eMarine Whale Tail Hydrofoil Stabilizer\u003c\/strong\u003e is designed to improve boat performance on most outboard and stern drive motors from 40 HP to 300 HP. The whale tail design helps get the boat on plane faster, reduces porpoising and cavitation, and enhances overall stability for a smoother ride.\u003c\/p\u003e\n\u003cp\u003eIt serves as a direct aftermarket replacement for several part numbers, including SupremeMarine FO2003, UANOFCN FO2003, and JDSNAEY Sport 300 FO2003, offering a versatile fit for a wide range of engines.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInstalls via a simple bolt-on process to the anti-cavitation plate.\u003c\/li\u003e\n\u003cli\u003eConstructed from durable, marine-grade reinforced Nylon-PA66 plastic to withstand harsh marine environments.\u003c\/li\u003e\n\u003cli\u003eThe complete kit includes all necessary mounting hardware and a drill bit for straightforward 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.\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\u003eSupremeMarine\u003c\/td\u003e\n\u003ctd\u003eFO2003\u003c\/td\u003e\n\u003ctd\u003eAftermarket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUANOFCN\u003c\/td\u003e\n\u003ctd\u003eFO2003\u003c\/td\u003e\n\u003ctd\u003eAftermarket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJDSNAEY\u003c\/td\u003e\n\u003ctd\u003eSport 300 FO2003\u003c\/td\u003e\n\u003ctd\u003eAftermarket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNorthBoat\u003c\/td\u003e\n\u003ctd\u003eFO2003\u003c\/td\u003e\n\u003ctd\u003eAftermarket\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\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\u003eAll Brands\u003c\/td\u003e\n\u003ctd\u003eOutboard Motors\u003c\/td\u003e\n\u003ctd\u003e40-300 HP\u003c\/td\u003e\n\u003ctd\u003e2- \u0026amp; 4-Stroke\u003c\/td\u003e\n\u003ctd\u003eFO2003\u003c\/td\u003e\n\u003ctd\u003eUniversal fit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAll Brands\u003c\/td\u003e\n\u003ctd\u003eStern Drives\u003c\/td\u003e\n\u003ctd\u003e40-300 HP\u003c\/td\u003e\n\u003ctd\u003e2- \u0026amp; 4-Stroke\u003c\/td\u003e\n\u003ctd\u003eFO2003\u003c\/td\u003e\n\u003ctd\u003eUniversal fit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolvo\u003c\/td\u003e\n\u003ctd\u003eSX-A, DPS, DPR, DPH series\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eConfirmed 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\u003eHydrofoil Stabilizer (Whale Tail Style)\u003c\/dd\u003e\n\u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eBolt-on to anti-cavitation plate\u003c\/dd\u003e\n\u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003eMarine Grade Reinforced Nylon-PA66 Plastic\u003c\/dd\u003e\n\u003cdt\u003eHousing Color\u003c\/dt\u003e\n\u003cdd\u003eBlue\u003c\/dd\u003e\n\u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003e16.93 × 14.17 inches (430 × 360 mm)\u003c\/dd\u003e\n\u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e1.54 kg (3.4 lbs)\u003c\/dd\u003e\n\u003cdt\u003eFitting Type\u003c\/dt\u003e\n\u003cdd\u003eBolt-on\u003c\/dd\u003e\n\u003cdt\u003eOther Attributes\u003c\/dt\u003e\n\u003cdd\u003eStreamlined design to reduce drag; Control tips to improve thrust\u003c\/dd\u003e\n\u003cdt\u003eWarranty\u003c\/dt\u003e\n\u003cdd\u003e1-Year\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 Sets of Screws and Nuts\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e1 x Installation Instruction\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color:#d0021b;\"\u003e1 x Drill bit (for installation)\u003c\/span\u003e\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 before beginning installation.\u003c\/li\u003e\n\u003cli\u003ePosition the hydrofoil onto the engine's anti-cavitation plate, ensuring it is perfectly centered.\u003c\/li\u003e\n\u003cli\u003eUse a marker to indicate the drilling locations through the mounting holes of the hydrofoil.\u003c\/li\u003e\n\u003cli\u003eCarefully remove the hydrofoil and drill the marked holes using the included drill bit.\u003c\/li\u003e\n\u003cli\u003eReposition the hydrofoil, aligning it with the newly drilled holes.\u003c\/li\u003e\n\u003cli\u003eInsert the bolts from the top and secure them with the corresponding nuts from below. Tighten firmly but do not overtighten, as this can damage the plate or hydrofoil.\u003c\/li\u003e\n\u003cli\u003eOnce installation is complete, reconnect the battery and conduct a water test at low speeds to check for proper performance and handling.\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 specific engine model?\u003c\/summary\u003e\n\u003cp\u003eThis hydrofoil is designed for universal fitment on most outboard and stern drive motors in the 40-300 HP range. The key is to check the size of your engine's anti-cavitation plate and ensure there is enough flat surface area to mount the hydrofoil, which measures 16.93 x 14.17 inches.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the main benefit of a \"whale tail\" style hydrofoil?\u003c\/summary\u003e\n\u003cp\u003eThe \"whale tail\" design offers a large surface area that provides significant stern lift. This helps the boat get on plane much faster (improving the \"holeshot\"), allows it to stay on plane at lower speeds, increases fuel efficiency, and reduces common issues like porpoising and cavitation.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow can I prevent the mounting hardware from loosening over time?\u003c\/summary\u003e\n\u003cp\u003eWe recommend using a thread-locking compound on the bolt threads during installation. Additionally, it is good practice to periodically check the tightness of the nuts and bolts as part of your regular boat maintenance routine.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat are the signs that my hydrofoil is installed incorrectly?\u003c\/summary\u003e\n\u003cp\u003eIf the boat pulls to one side, experiences unusual vibrations, or if the engine seems to over-rev without generating thrust (ventilation), the hydrofoil may be misaligned. Ensure it is mounted perfectly centered on the anti-cavitation plate and is parallel to the bottom of the boat.\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":50717913710907,"sku":"3B-S2QB-06CJ","price":53.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/3B-S2QB-06CJ.png?v=1762938296"},{"product_id":"hydrofoil-stabilizer-fits-outboard-sterndrive-motors-40-300-hp-replaces-n-a","title":"Hydrofoil Stabilizer – Fits Outboard \u0026 Sterndrive Motors 40-300 HP (Replaces N\/A)","description":"\u003csection\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis universal Whale Tail Hydrofoil Stabilizer is designed to fit most outboard and sterndrive engines from 40–300 HP. It provides improved on-the-water performance, including quicker planing, better fuel efficiency, and reduced porpoising. Please note, it is not compatible with Mercury 40 HP 4-Stroke motors and other specific models listed in the compatibility section.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Bolt-on installation requires drilling and uses the provided stainless steel hardware.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Constructed from durable, marine-grade UV-resistant Reinforced Nylon PA66 plastic.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Features a crescent-shaped surface with a streamlined design for improved water flow and maximum lift.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\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\u003cp\u003eConfirm your engine model and year in the table below. This part is designed for universal fitment but has known exceptions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUniversal Fitment:\u003c\/strong\u003e The hydrofoil fits most outboard and sterndrive motors in the 40–300 HP range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExceptions:\u003c\/strong\u003e Note the specific models from Mercury, Volvo, Honda, and Yamaha that are confirmed to be incompatible.\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\u003eModels\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\u003eUniversal\u003c\/td\u003e\n        \u003ctd\u003eMost outboards and sterndrives\u003c\/td\u003e\n        \u003ctd\u003e40–300\u003c\/td\u003e\n        \u003ctd\u003e2- \u0026amp; 4-Stroke\u003c\/td\u003e\n        \u003ctd\u003eAll\u003c\/td\u003e\n        \u003ctd\u003eN\/A\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\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e40\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003eAll\u003c\/td\u003e\n        \u003ctd\u003eN\/A\u003c\/td\u003e\n        \u003ctd\u003eExplicitly noted as incompatible\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\u003e\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n        \u003ctd\u003eAll\u003c\/td\u003e\n        \u003ctd\u003eN\/A\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 III with only one anode\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n        \u003ctd\u003eAll\u003c\/td\u003e\n        \u003ctd\u003eN\/A\u003c\/td\u003e\n        \u003ctd\u003eIncompatible\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo\u003c\/td\u003e\n        \u003ctd\u003eWith exhaust through cavitation plate\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n        \u003ctd\u003eAll\u003c\/td\u003e\n        \u003ctd\u003eN\/A\u003c\/td\u003e\n        \u003ctd\u003eIncompatible\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eHonda\u003c\/td\u003e\n        \u003ctd\u003eOutboards\u003c\/td\u003e\n        \u003ctd\u003e200+\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n        \u003ctd\u003eAll\u003c\/td\u003e\n        \u003ctd\u003eN\/A\u003c\/td\u003e\n        \u003ctd\u003eIncompatible\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eOutboards\u003c\/td\u003e\n        \u003ctd\u003e350\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n        \u003ctd\u003eAll\u003c\/td\u003e\n        \u003ctd\u003eN\/A\u003c\/td\u003e\n        \u003ctd\u003eIncompatible\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\u003eMarine Hydrofoil Stabilizer (Whale Tail)\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eBolt-on with provided hardware (drilling required)\u003c\/dd\u003e\n  \u003cdt\u003eMaterial\u003c\/dt\u003e\n\u003cdd\u003eMarine Grade UV-Resistant Reinforced Nylon PA66 Plastic\u003c\/dd\u003e\n  \u003cdt\u003eColor\u003c\/dt\u003e\n\u003cdd\u003eSilver\u003c\/dd\u003e\n  \u003cdt\u003eEngine Type\u003c\/dt\u003e\n\u003cdd\u003e2-Stroke \u0026amp; 4-Stroke\u003c\/dd\u003e\n  \u003cdt\u003eEngine Size\u003c\/dt\u003e\n\u003cdd\u003e40–300 HP\u003c\/dd\u003e\n  \u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003eH: 13.5\" × W: 14\" (343 × 356 mm)\u003c\/dd\u003e\n  \u003cdt\u003eDesign Feature\u003c\/dt\u003e\n\u003cdd\u003eCrescent shaped surface with streamlined design for improved water flow\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\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color:#d0021b;\"\u003e4 x Sets of Screws and Nuts\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color:#d0021b;\"\u003e1 x Drill Bit\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e1 x Installation Instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfirm Fit:\u003c\/strong\u003e Before drilling, position the hydrofoil on the outboard\/sterndrive's cavitation plate to ensure a proper fit and alignment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMark Holes:\u003c\/strong\u003e With the hydrofoil held firmly in the desired position, use a marker to carefully mark the drilling points through the mounting holes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrill Holes:\u003c\/strong\u003e Remove the hydrofoil. Using the provided drill bit, carefully drill through the cavitation plate at the marked locations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApply Sealant (Recommended):\u003c\/strong\u003e Apply a marine-grade sealant around the drilled holes to prevent water ingress and corrosion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount Hydrofoil:\u003c\/strong\u003e Position the hydrofoil and insert the bolts. Secure them with the provided nuts, ensuring not to overtighten.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinal Check:\u003c\/strong\u003e Check that the hydrofoil is secure and does not interfere with the propeller's movement or trim\/tilt operation. Test on the water at low speeds first.\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 specific motor?\u003c\/summary\u003e\n\u003cp\u003eThis hydrofoil offers a universal fit for most outboard and sterndrive motors from 40 to 300 HP. However, we strongly recommend you review the compatibility table, which lists all known exceptions, such as the Mercury 40 HP 4-Stroke and certain Volvo, Honda, and Yamaha models. Do not purchase if your model is listed as incompatible.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs drilling into my engine's cavitation plate required for installation?\u003c\/summary\u003e\n\u003cp\u003eYes, installation is a bolt-on process that requires drilling four holes into the cavitation plate. All necessary mounting hardware (screws, nuts) and a drill bit are included in the package.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat specific performance improvements can I expect?\u003c\/summary\u003e\n\u003cp\u003eProperly installed, the hydrofoil can significantly improve your boat's performance by getting it on plane faster, reducing or eliminating porpoising (bouncing), and improving fuel efficiency at cruising speeds by allowing lower RPMs.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the hydrofoil made from?\u003c\/summary\u003e\n\u003cp\u003eIt is manufactured from a high-strength, Marine Grade UV-Resistant Reinforced Nylon PA66 Plastic, designed to withstand harsh saltwater and freshwater environments without cracking or degrading.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat are the signs of incorrect installation or failure?\u003c\/summary\u003e\n\u003cp\u003eIf installed incorrectly, you may notice no change or a negative change in performance, or unusual vibration. Signs of failure include visible cracks or the hydrofoil becoming loose. Regularly check that the mounting hardware is tight.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat if I don't see any improvement after installation?\u003c\/summary\u003e\n\u003cp\u003ePerformance gains can vary based on boat hull, weight distribution, and engine height. Ensure the hydrofoil is mounted correctly and securely. Experimenting with your engine's trim angle can also help optimize its effect.\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.\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":50717913743675,"sku":"QM-HS003-Silver","price":65.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/QM-HS003-Silver.png?v=1762938297"},{"product_id":"hydrofoil-stabilizer-fits-outboard-motors-stern-drives-40-300-hp-replaces-uanofcn-fo2003-seasierra-300-se-sport-300","title":"Hydrofoil Stabilizer – Fits Outboard Motors \u0026 Stern Drives 40-300 HP (Replaces UANOFCN FO2003, SeaSierra 300, SE Sport 300)","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-grade reinforced nylon PA66 \u003cstrong\u003eWhale Tail Hydrofoil Stabilizer (FO2003)\u003c\/strong\u003e is engineered to significantly improve boat handling, reduce bow lift, shorten planing time, and increase fuel economy. It is designed for universal fitment on most outboard motors and stern drives ranging from 40 to 300 horsepower.\u003c\/p\u003e\n  \u003cp\u003eIt serves as a direct replacement for interchange part numbers including UANOFCN FO2003, SeaSierra 300 Whale Tail, SE Sport 300, and HD300 Whale Tail Stabilizer.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eInstalls directly to the anti-ventilation plate via a bolt-on connection (requires drilling).\u003c\/li\u003e\n    \u003cli\u003eConstructed from UV-resistant and impact-resistant reinforced Nylon-PA66 plastic for durability in marine environments.\u003c\/li\u003e\n    \u003cli\u003ePackage includes all necessary stainless steel mounting hardware and a drill bit for installation.\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\u003eUANOFCN\u003c\/td\u003e\n        \u003ctd\u003eFO2003\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eSeaSierra\u003c\/td\u003e\n        \u003ctd\u003e300 Whale Tail\u003c\/td\u003e\n      \u003c\/tr\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 Whale Tail Stabilizer\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\u003eType\u003c\/th\u003e\n        \u003cth\u003ePower Range\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\u003eOutboard Motors\u003c\/td\u003e\n        \u003ctd\u003e40–300 HP\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke \u0026amp; 4-Stroke\u003c\/td\u003e\n        \u003ctd\u003eNot compatible with Mercury 4-Stroke 40HP, 50HP, 60HP models. Not compatible with Volvo Ocean Series XDP drives.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eStern Drives\u003c\/td\u003e\n        \u003ctd\u003e40–300 HP\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke \u0026amp; 4-Stroke\u003c\/td\u003e\n        \u003ctd\u003eFor Volvo SX-A, DPS, DPR, DPH, 280, and 290 series, additional longer bolts and 1 fender washer are needed (not included).\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\u003eHydrofoil Stabilizer (Whale Tail Style)\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\u003eReinforced Nylon-PA66 Plastic\u003c\/dd\u003e\n    \u003cdt\u003eHousing Color\u003c\/dt\u003e\n\u003cdd\u003eAvailable in Black, Silver, Blue, Red\u003c\/dd\u003e\n    \u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003eH: 14.5 in (368 mm) × W: 17.0 in (432 mm)\u003c\/dd\u003e\n    \u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e1.54 kg (3.4 lbs)\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\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e1 x Whale Tail Hydrofoil Stabilizer (FO2003)\u003c\/li\u003e\n    \u003cli\u003e\u003cspan style=\"color:#d0021b;\"\u003e4 x Sets of Stainless Steel Screws and Nuts\u003c\/span\u003e\u003c\/li\u003e\n    \u003cli\u003e1 x 6.5mm Drill Bit\u003c\/li\u003e\n    \u003cli\u003e1 x Installation Instruction\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 top of the anti-ventilation plate of your motor or stern drive. Ensure it is positioned correctly for optimal performance.\u003c\/li\u003e\n    \u003cli\u003eWith the hydrofoil held firmly in place, use a marker to mark the four drill hole locations on the anti-ventilation plate.\u003c\/li\u003e\n    \u003cli\u003eRemove the hydrofoil and carefully drill the four 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 from the top and secure them with the nuts from the bottom.\u003c\/li\u003e\n    \u003cli\u003eTighten all four sets of screws and nuts evenly and securely. Do not overtighten to avoid damaging the plate or hydrofoil.\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 engine?\u003c\/summary\u003e\n    \u003cp\u003eThis hydrofoil offers universal compatibility for most outboard and stern drive engines from 40-300 HP. However, it is confirmed NOT to fit Mercury 4-Stroke 40HP, 50HP, and 60HP models, or Volvo Ocean Series XDP drives. Please check the compatibility table and your engine specifications before purchasing.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat extra hardware is needed for Volvo Penta stern drives?\u003c\/summary\u003e\n    \u003cp\u003eIf you are installing this on a Volvo SX-A, DPS, DPR, DPH, 280, or 290 series drive, you will require longer bolts and one fender washer. These items are not included in the standard package and must be sourced separately.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat are the main performance benefits?\u003c\/summary\u003e\n    \u003cp\u003eThis hydrofoil helps get your boat on plane faster, reduces or eliminates porpoising and bow lift, improves handling and stability in turns, and can increase fuel efficiency by allowing the boat to cruise at lower RPMs.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow will I know if the hydrofoil is failing?\u003c\/summary\u003e\n    \u003cp\u003eInspect the hydrofoil regularly for any signs of cracking, stress fractures, or loosened hardware. A drop in performance, unusual vibrations, or visible damage are indicators that it may need replacement.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat is this stabilizer made of?\u003c\/summary\u003e\n    \u003cp\u003eIt is constructed from a high-strength, marine-grade reinforced Nylon-PA66 plastic. This material is chosen for its excellent durability, impact resistance, and ability to withstand UV degradation and harsh saltwater environments.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eCan I install this myself?\u003c\/summary\u003e\n    \u003cp\u003eYes, installation is straightforward for those with basic mechanical skills. The kit includes the necessary hardware and a drill bit. However, professional installation is always recommended to ensure safety and correct fitment.\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":50717913776443,"sku":"L1-M033-84T2","price":65.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/L1-M033-84T2.png?v=1762938299"},{"product_id":"hydrofoil-stabilizer-fits-yamaha-mercury-honda-suzuki-tohatsu-5-150-hp-replaces-ghmarine-fo2001-uanofcn-fo2001-northboat-hs001-davis-440-doel-fin","title":"Hydrofoil Stabilizer – Fits Yamaha, Mercury, Honda, Suzuki, Tohatsu 5-150 HP (Replaces GHmarine FO2001, UanofCn FO2001, NorthBoat HS001, Davis 440 Doel-Fin)","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\u003eThis \u003cstrong\u003eHydrofoil Stabilizer\u003c\/strong\u003e is designed for universal fitment on most outboard and stern drive motors from 5 to 150 HP, including models from Yamaha, Mercury, Honda, Suzuki, and Tohatsu. It improves boat performance by reducing bow rise and porpoising while enhancing steering control at both low and high speeds.\u003c\/p\u003e\n    \u003cp\u003eThis part is a direct interchange for GHmarine FO2001, UanofCn FO2001, NorthBoat HS001, and Davis 440 Doel-Fin.\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003eInstalls directly to the anti-ventilation plate (bolt-on, hardware included).\u003c\/li\u003e\n        \u003cli\u003eConstructed from high-strength, UV-resistant PA66 plastic.\u003c\/li\u003e\n        \u003cli\u003eFlexible design allows each foil to absorb shock independently.\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\u003eGHmarine\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\u003eNorthBoat\u003c\/td\u003e\n                    \u003ctd\u003eHS001\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eDavis\u003c\/td\u003e\n                    \u003ctd\u003e440 Doel-Fin\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\u003eOEM Part No.\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\u003e5–150 HP\u003c\/td\u003e\n                    \u003ctd\u003e2-Stroke \u0026amp; 4-Stroke\u003c\/td\u003e\n                    \u003ctd\u003eFO2001\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eMercury\u003c\/td\u003e\n                    \u003ctd\u003eVarious\u003c\/td\u003e\n                    \u003ctd\u003e5–150 HP\u003c\/td\u003e\n                    \u003ctd\u003e2-Stroke \u0026amp; 4-Stroke\u003c\/td\u003e\n                    \u003ctd\u003eFO2001\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eHonda\u003c\/td\u003e\n                    \u003ctd\u003eVarious\u003c\/td\u003e\n                    \u003ctd\u003e5–150 HP\u003c\/td\u003e\n                    \u003ctd\u003e2-Stroke \u0026amp; 4-Stroke\u003c\/td\u003e\n                    \u003ctd\u003eFO2001\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eSuzuki\u003c\/td\u003e\n                    \u003ctd\u003eVarious\u003c\/td\u003e\n                    \u003ctd\u003e5–150 HP\u003c\/td\u003e\n                    \u003ctd\u003e2-Stroke \u0026amp; 4-Stroke\u003c\/td\u003e\n                    \u003ctd\u003eFO2001\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eTohatsu\u003c\/td\u003e\n                    \u003ctd\u003eVarious\u003c\/td\u003e\n                    \u003ctd\u003e5–150 HP\u003c\/td\u003e\n                    \u003ctd\u003e2-Stroke \u0026amp; 4-Stroke\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\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\u003eBolt-on (4 mounting holes, hardware included)\u003c\/dd\u003e\n        \u003cdt\u003eFuel Type\u003c\/dt\u003e\n\u003cdd\u003eCompatible with all fuel types\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\u003eHigh-strength PA66 plastic (UV-resistant)\u003c\/dd\u003e\n        \u003cdt\u003eHousing Color\u003c\/dt\u003e\n\u003cdd\u003eBlack\u003c\/dd\u003e\n        \u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e1.1 kg (2.42 lbs)\u003c\/dd\u003e\n        \u003cdt\u003eFitting Type\u003c\/dt\u003e\n\u003cdd\u003eTransom Mount\u003c\/dd\u003e\n        \u003cdt\u003eOther Technical Attributes\u003c\/dt\u003e\n\u003cdd\u003eFlexible design allows each foil to flex independently to absorb shock\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\n\u003cspan style=\"color:#d0021b;\"\u003e4 x Sets\u003c\/span\u003e of stainless steel screws and nuts\u003c\/li\u003e\n        \u003cli\u003e1 x 6.5mm drill bit\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 ensure the engine is off and tilted up securely.\u003c\/li\u003e\n        \u003cli\u003ePosition the hydrofoil onto the anti-ventilation plate, ensuring it is centered and level.\u003c\/li\u003e\n        \u003cli\u003eMark the four drill locations on the plate through the mounting holes on the hydrofoil.\u003c\/li\u003e\n        \u003cli\u003eCarefully drill the four marked holes using the included 6.5mm drill bit.\u003c\/li\u003e\n        \u003cli\u003eApply a marine-grade sealant around the drilled holes to prevent water ingress and corrosion.\u003c\/li\u003e\n        \u003cli\u003eAlign the hydrofoil with the holes and securely fasten it using the provided stainless steel screws and nuts.\u003c\/li\u003e\n        \u003cli\u003eCheck that all hardware is tightened properly before lowering the engine and testing.\u003c\/li\u003e\n    \u003c\/ol\u003e\n\n    \u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n    \u003cdetails\u003e\n        \u003csummary\u003eWill this hydrofoil fit my specific engine model?\u003c\/summary\u003e\n        \u003cp\u003eThis stabilizer is designed for universal fitment on most outboard and stern drive motors from 5 to 150 HP. The key is to ensure your engine's anti-ventilation plate is large enough to accommodate the hydrofoil's mounting footprint. Always measure your plate before ordering.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n        \u003csummary\u003eWhat are the main benefits of installing a hydrofoil?\u003c\/summary\u003e\n        \u003cp\u003eA hydrofoil provides lift at the stern, which helps the boat get on plane faster, reduces bow rise for better visibility, and minimizes porpoising (bouncing). It also improves stability and steering control at both low and high speeds, often resulting in better fuel efficiency.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n        \u003csummary\u003eIs drilling into my engine's cavitation plate safe?\u003c\/summary\u003e\n        \u003cp\u003eYes, drilling into the anti-ventilation (cavitation) plate is a standard and common procedure for installing hydrofoils. It is crucial to use a sharp drill bit and apply marine-grade sealant to the holes to prevent corrosion.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n        \u003csummary\u003eHow do I know if the hydrofoil is positioned correctly?\u003c\/summary\u003e\n        \u003cp\u003eThe hydrofoil should be mounted as far back on the anti-ventilation plate as possible without interfering with propeller movement. It must be centered on the plate to ensure balanced lift and stable performance.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n        \u003csummary\u003eWill this flexible design break under pressure?\u003c\/summary\u003e\n        \u003cp\u003eNo, the flexible design is intentional. It allows each wing of the hydrofoil to flex independently, absorbing shocks from waves and impacts. This reduces stress on both the hydrofoil and the engine's mounting plate.\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":50718234804539,"sku":"GH-19HS001","price":32.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/GH-19HS001.png?v=1762958019"},{"product_id":"hydrofoil-stabilizer-fits-outboard-motors-stern-drives-5-150-hp-replaces-uanofcn-fo2001-seasierra-19hs-quickmariner-hs001","title":"Hydrofoil Stabilizer – Fits Outboard Motors \u0026 Stern Drives 5-150 HP (Replaces Uanofcn FO2001, SeaSierra 19HS, QuickMariner HS001)","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 dorsal fin style \u003cstrong\u003eHydrofoil Stabilizer – Fits Outboard Motors \u0026amp; Stern Drives 5-150 HP (Improves Performance \u0026amp; Stability)\u003c\/strong\u003e is designed to enhance your boat's handling, stability, and fuel efficiency. It fits a wide range of Mercury, Yamaha, Honda, Suzuki, and Tohatsu outboard motors and stern drives with horsepower ratings from 5 to 150 HP, supporting both 2-stroke and 4-stroke engines. By getting your boat on plane faster and reducing bow rise, it provides a smoother, more controlled ride, especially in choppy water.\u003c\/p\u003e\n  \u003cp\u003eIt serves as a direct interchange for Uanofcn FO2001, SeaSierra 19HS, and QuickMariner HS001.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eInstallation is a straightforward bolt-on process, though it requires drilling into the anti-cavitation plate.\u003c\/li\u003e\n    \u003cli\u003eConstructed from marine-grade, UV-resistant reinforced Nylon PA66 plastic for durability in harsh marine environments.\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.\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\u003eUanofcn\u003c\/td\u003e\n        \u003ctd\u003eFO2001\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eSeaSierra\u003c\/td\u003e\n        \u003ctd\u003e19HS\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eQuickMariner\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\/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 Type\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\u003eAll Brands\u003c\/td\u003e\n          \u003ctd\u003eOutboard Motors\u003c\/td\u003e\n          \u003ctd\u003e5–150 HP\u003c\/td\u003e\n          \u003ctd\u003e2- \u0026amp; 4-Stroke\u003c\/td\u003e\n          \u003ctd\u003eNot compatible with Volvo Penta 280\/290 outdrives and BMW Outdrives for engines over 50HP\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eAll Brands\u003c\/td\u003e\n          \u003ctd\u003eStern Drives\u003c\/td\u003e\n          \u003ctd\u003e5–150 HP\u003c\/td\u003e\n          \u003ctd\u003e2- \u0026amp; 4-Stroke\u003c\/td\u003e\n          \u003ctd\u003eCompatible with Volvo Penta 270 outdrive\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eAll Brands\u003c\/td\u003e\n          \u003ctd\u003eOutboards\/Outdrives\u003c\/td\u003e\n          \u003ctd\u003eUp to 200 HP\u003c\/td\u003e\n          \u003ctd\u003e2- \u0026amp; 4-Stroke\u003c\/td\u003e\n          \u003ctd\u003ePerformance may vary based on boat configuration\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 (Dorsal Fin Style)\u003c\/dd\u003e\n    \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eBolt-on (drilling required)\u003c\/dd\u003e\n    \u003cdt\u003eFuel Type\u003c\/dt\u003e\n\u003cdd\u003eGasoline\u003c\/dd\u003e\n    \u003cdt\u003eConnection\u003c\/dt\u003e\n\u003cdd\u003eAnti-cavitation plate mount\u003c\/dd\u003e\n    \u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003eMarine-grade UV-resistant reinforced Nylon PA66 plastic\u003c\/dd\u003e\n    \u003cdt\u003eHousing Color\u003c\/dt\u003e\n\u003cdd\u003eBlack\/White (varies by retailer)\u003c\/dd\u003e\n    \u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003eEach Wing: 260 mm × 210 mm (10-1\/4\" × 8-1\/4\")\u003c\/dd\u003e\n    \u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e1.11 kg (2.45 lbs)\u003c\/dd\u003e\n    \u003cdt\u003eFitting Type\u003c\/dt\u003e\n\u003cdd\u003eBolt-on with stainless steel hardware\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\u003eUV-Resistant, Marine-grade construction\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 Kit (pair of wings)\u003c\/li\u003e\n    \u003cli\u003e\u003cspan style=\"color:#d0021b;\"\u003e4 x Stainless Steel Mounting Bolts with Nuts\u003c\/span\u003e\u003c\/li\u003e\n    \u003cli\u003e1 x Drill Bit\u003c\/li\u003e\n    \u003cli\u003e1 x Gasket Set (varies by manufacturer)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n  \u003col\u003e\n    \u003cli\u003eTemporarily place the hydrofoil wings on the engine's anti-cavitation plate to find the optimal position. Ensure they do not interfere with the propeller's movement.\u003c\/li\u003e\n    \u003cli\u003eOnce positioned, use a marker to mark the drilling points through the mounting holes on the hydrofoil.\u003c\/li\u003e\n    \u003cli\u003eRemove the hydrofoil and carefully drill the marked holes using the included drill bit.\u003c\/li\u003e\n    \u003cli\u003ePlace the gaskets (if included) and hydrofoil back onto the plate, aligning the holes.\u003c\/li\u003e\n    \u003cli\u003eInsert the stainless steel bolts and securely fasten them with the provided nuts. Do not overtighten, as this can damage the cavitation plate.\u003c\/li\u003e\n    \u003cli\u003eCheck for tightness and ensure there is no movement or play in the installed hydrofoil before operating your boat.\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 performance benefits of this hydrofoil?\u003c\/summary\u003e\n    \u003cp\u003eThis hydrofoil improves boat handling and stability, gets the boat on plane faster at lower speeds, reduces bow rise and porpoising (bow bouncing), minimizes cavitation, and can improve overall fuel efficiency.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWill this stabilizer fit my specific engine model?\u003c\/summary\u003e\n    \u003cp\u003eIt offers universal compatibility for most outboard and stern drive engines from 5-150 HP. However, it is not compatible with Volvo Penta 280\/290 outdrives or BMW outdrives on engines over 50 HP. Always check the compatibility table and verify against your equipment.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs drilling required for installation?\u003c\/summary\u003e\n    \u003cp\u003eYes, this is a bolt-on hydrofoil that requires drilling four holes into your engine's anti-cavitation plate. All necessary mounting hardware is included.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat can I expect in terms of improved handling?\u003c\/summary\u003e\n    \u003cp\u003eYou should experience better overall control, especially in rough water. The hydrofoil provides lift at the stern, which helps keep the bow down for better visibility and reduces the tendency of the boat to bounce or wander.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow can I tell if the hydrofoil is correctly installed and working?\u003c\/summary\u003e\n    \u003cp\u003eA correctly installed hydrofoil will result in your boat achieving a plane at a-lower-RPM, reduced bow rise on acceleration, and less porpoising at speed. If you don't notice these improvements, re-check the installation for tightness and proper positioning.\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":50718234837307,"sku":"HS001-Blue-QM","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/HS001-Blue-QM.png?v=1762958021"},{"product_id":"whale-tail-hydrofoil-stabilizer-fits-outboard-motors-stern-drives-40-350-hp-replaces-se-sport-300-fo2003","title":"Whale Tail Hydrofoil Stabilizer – Fits Outboard Motors \u0026 Stern Drives 40–350 HP (Replaces SE Sport 300, FO2003)","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\u003csection\u003e\n  \u003ch2\u003eProduct Details\u003c\/h2\u003e\n  \u003cp\u003eThis \u003cstrong\u003eWhale Tail Hydrofoil Stabilizer\u003c\/strong\u003e is designed to improve performance and stability for most outboard motors and stern drives from 40 HP to 350 HP, including both 2-Stroke and 4-Stroke engines. Its dorsal fin style enhances handling, reduces cavitation, and allows the boat to plane at lower speeds, improving fuel efficiency.\u003c\/p\u003e\n  \u003cp\u003eThis unit is a direct aftermarket interchange for SeaSierra FO2003, SEASIERRA 300HS, NorthBoat FO2003, SE Sport 300, HD300 Whale Tail Stabilizer, and XRmarine Sport-300.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eMounts directly to the anti-ventilation plate (requires drilling).\u003c\/li\u003e\n    \u003cli\u003eConstructed from UV-resistant, high-impact marine grade 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\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        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eSea Sierra\u003c\/td\u003e\n          \u003ctd\u003eFO2003\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eSea Sierra\u003c\/td\u003e\n          \u003ctd\u003e300HS\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\u003eSE Sport\u003c\/td\u003e\n          \u003ctd\u003e300\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eXRmarine\u003c\/td\u003e\n          \u003ctd\u003eSport-300\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eHD\u003c\/td\u003e\n          \u003ctd\u003e300 Whale Tail Stabilizer\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  \n  \u003cp\u003eThis hydrofoil offers universal fitment for most major outboard brands within the 40–350 HP range. No OEM approval is implied.\u003c\/p\u003e\n  \u003cdiv class=\"ss-table-wrap\"\u003e\n    \u003ctable class=\"ss-table\" aria-label=\"Universal Outboard 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-Stroke \u0026amp; 4-Stroke\u003c\/td\u003e\n          \u003ctd\u003eAftermarket fit for all compatible models.\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-Stroke \u0026amp; 4-Stroke\u003c\/td\u003e\n          \u003ctd\u003eAftermarket fit for all compatible models.\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-Stroke \u0026amp; 4-Stroke\u003c\/td\u003e\n          \u003ctd\u003eAftermarket fit for all compatible models.\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-Stroke \u0026amp; 4-Stroke\u003c\/td\u003e\n          \u003ctd\u003eAftermarket fit for all compatible models.\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-Stroke \u0026amp; 4-Stroke\u003c\/td\u003e\n          \u003ctd\u003eAftermarket fit for all compatible models.\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eTohatsu\/Nissan\u003c\/td\u003e\n          \u003ctd\u003e40-350\u003c\/td\u003e\n          \u003ctd\u003e2-Stroke \u0026amp; 4-Stroke\u003c\/td\u003e\n          \u003ctd\u003eAftermarket fit for all compatible models.\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cp\u003eFitment is also universal for most MerCruiser and OMC stern drives. For select Volvo Penta models, special hardware is required.\u003c\/p\u003e\n  \u003cdiv class=\"ss-table-wrap\"\u003e\n    \u003ctable class=\"ss-table\" aria-label=\"Universal 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\u003eCompatible models\u003c\/td\u003e\n          \u003ctd\u003e40-350\u003c\/td\u003e\n          \u003ctd\u003eAftermarket fit.\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eOMC\u003c\/td\u003e\n          \u003ctd\u003eCompatible models\u003c\/td\u003e\n          \u003ctd\u003e40-350\u003c\/td\u003e\n          \u003ctd\u003eAftermarket fit.\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\u003eRequires longer bolts and 1\" fender washers. Not compatible with Volvo Ocean Series XDP.\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\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\u003eDirect mount to anti-ventilation plate with included hardware (requires drilling)\u003c\/dd\u003e\n    \u003cdt\u003eFuel Type\u003c\/dt\u003e\n\u003cdd\u003eGasoline (compatible with all engine fuel types)\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\u003eMarine Grade Nylon-PA66 Plastic\u003c\/dd\u003e\n    \u003cdt\u003eHousing Color\u003c\/dt\u003e\n\u003cdd\u003eAvailable in Black, Blue, Red, or Silver\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\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e1.79 kg (3.95 pounds)\u003c\/dd\u003e\n    \u003cdt\u003eFitting Type\u003c\/dt\u003e\n\u003cdd\u003eBolted attachment\u003c\/dd\u003e\n    \u003cdt\u003eWarranty\u003c\/dt\u003e\n\u003cdd\u003e1 year against manufacturing defects (typical for aftermarket parts)\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\u003c\/section\u003e\n\n\u003csection\u003e\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 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 Instructions\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\u003eEnsure the engine is off and the battery is disconnected. Secure the outboard motor in a tilted position to access the anti-ventilation plate.\u003c\/li\u003e\n    \u003cli\u003ePosition the hydrofoil onto the anti-ventilation plate. Ensure it is centered and does not interfere with the propeller's movement.\u003c\/li\u003e\n    \u003cli\u003eUse a marker or punch to mark the four drill hole locations on the plate through the holes in the hydrofoil.\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\u003eApply a marine-grade sealant around the drilled holes to prevent water intrusion and corrosion.\u003c\/li\u003e\n    \u003cli\u003eAlign the hydrofoil with the holes, insert the stainless steel bolts, and secure them with the provided nuts.\u003c\/li\u003e\n    \u003cli\u003eTighten the nuts evenly until the hydrofoil is firmly secured. Do not overtighten, as this can crack the plastic housing or damage the plate.\u003c\/li\u003e\n    \u003cli\u003eAfter the first water test, re-check the hardware to ensure it remains tight.\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\u003eWill this hydrofoil fit my specific engine model?\u003c\/summary\u003e\n    \u003cp\u003eThis hydrofoil is designed for universal fitment on most outboard and stern drive engines from 40 to 350 HP. Please review the compatibility tables. For Volvo Penta drives, note the specific requirements for bolts and washers. Always verify your anti-ventilation plate has sufficient flat surface area for mounting.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat performance benefits can I expect?\u003c\/summary\u003e\n    \u003cp\u003eA properly installed hydrofoil helps your boat get on a plane faster, especially with heavy loads. It can also maintain planing at lower speeds, reduce or eliminate porpoising and cavitation, and improve stability and handling in turns.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow difficult is the installation process?\u003c\/summary\u003e\n    \u003cp\u003eInstallation is straightforward for those comfortable with basic tools. It involves drilling four holes into your engine's anti-ventilation plate. The package includes the necessary drill bit and hardware. If you are unsure, we recommend professional installation.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWill drilling holes void my engine's warranty?\u003c\/summary\u003e\n    \u003cp\u003eModifying any part of your engine, including drilling into the anti-ventilation plate, may affect its warranty. We recommend checking with your engine manufacturer or dealer if your motor is still under warranty.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat is the difference between this model and the SE Sport 300?\u003c\/summary\u003e\n    \u003cp\u003eThis is an aftermarket replacement built to the same specifications for fitment and performance as the SE Sport 300 and other equivalents. It is made from similar durable, marine-grade materials to ensure longevity and effectiveness.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow do I know if the hydrofoil is working correctly?\u003c\/summary\u003e\n    \u003cp\u003eYou should notice a significant improvement in the time it takes to get on plane. The boat should feel more stable at speed, and you may observe less bow rise upon acceleration. The engine may also be able to maintain a plane at a lower RPM, contributing to fuel savings.\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\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\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50718234968379,"sku":"SS-20HS002-B","price":65.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/SS-20HS002-B.png?v=1762958028"},{"product_id":"300-whale-tail-hydrofoil-stabilizer-fits-outboards-stern-drives-40-350-hp-replaces-se-sport-300-seasierra-300hs","title":"300 Whale Tail Hydrofoil Stabilizer – Fits Outboards \u0026 Stern Drives 40-350 HP (Replaces SE Sport 300 , SeaSierra 300HS)","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\u003e300 Whale Tail Hydrofoil Stabilizer\u003c\/strong\u003e is a universal marine hydrofoil designed to dramatically improve your boat's performance, handling, and fuel efficiency. It mounts directly to the cavitation plate of most outboard motors and stern drives in the 40-350 HP range, helping to reduce bow rise, eliminate porpoising and cavitation, and get your boat on plane faster.\u003c\/p\u003e\n\u003cp\u003eThis part is a direct replacement for several models, including SE Sport 300, SeaSierra 300HS, PLSDDS 300, QuickMarine HS003, and NorthBoat FO2003.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInstalls directly onto the anti-ventilation (cavitation) plate.\u003c\/li\u003e\n  \u003cli\u003eConstructed from high-strength, marine-grade UV-resistant nylon for durability.\u003c\/li\u003e\n  \u003cli\u003eIncludes 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.\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\u003eSeaSierra\u003c\/td\u003e\n        \u003ctd\u003e300HS\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003ePLSDDS\u003c\/td\u003e\n        \u003ctd\u003e300\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eQuickMarine\u003c\/td\u003e\n        \u003ctd\u003eHS003\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    \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\u003eModels\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\u003eMost Models\u003c\/td\u003e\n        \u003ctd\u003e40-350 HP\u003c\/td\u003e\n        \u003ctd\u003e2 \u0026amp; 4-Stroke\u003c\/td\u003e\n        \u003ctd\u003eAll\u003c\/td\u003e\n        \u003ctd\u003eExcept specific incompatibilities noted below\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003eMost Models\u003c\/td\u003e\n        \u003ctd\u003e40-350 HP\u003c\/td\u003e\n        \u003ctd\u003e2 \u0026amp; 4-Stroke\u003c\/td\u003e\n        \u003ctd\u003eAll\u003c\/td\u003e\n        \u003ctd\u003eException: Mercury 40 HP 4-Stroke incompatible\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n        \u003ctd\u003eMost Models\u003c\/td\u003e\n        \u003ctd\u003e40-350 HP\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      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eSuzuki\u003c\/td\u003e\n        \u003ctd\u003eMost Models\u003c\/td\u003e\n        \u003ctd\u003e40-350 HP\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      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eHonda\u003c\/td\u003e\n        \u003ctd\u003eMost Models\u003c\/td\u003e\n        \u003ctd\u003e40-350 HP\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      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eTohatsu\u003c\/td\u003e\n        \u003ctd\u003eMost Models\u003c\/td\u003e\n        \u003ctd\u003e40-350 HP\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      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMerCruiser\u003c\/td\u003e\n        \u003ctd\u003eMost Sterndrives\u003c\/td\u003e\n        \u003ctd\u003e40-350 HP\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003eAll\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\u003eMost Sterndrives\u003c\/td\u003e\n        \u003ctd\u003e40-350 HP\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003eAll\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\u003eMarine Hydrofoil Stabilizer\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eCavitation plate mount (anti-ventilation plate)\u003c\/dd\u003e\n  \u003cdt\u003eMaterial\u003c\/dt\u003e\n\u003cdd\u003eMarine Grade UV-Resistant Reinforced Nylon PA66 Plastic\u003c\/dd\u003e\n  \u003cdt\u003eColor\u003c\/dt\u003e\n\u003cdd\u003eBlack\/Silver (varies by brand)\u003c\/dd\u003e\n  \u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003e17.0-17.5\" × 14.4-15.5\" × 3.5\" (432-445mm × 366-394mm × 89mm)\u003c\/dd\u003e\n  \u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e1.38-1.79 kg (3.04-3.84 lbs)\u003c\/dd\u003e\n  \u003cdt\u003eCompatible Engine HP Range\u003c\/dt\u003e\n\u003cdd\u003e40-350 HP\u003c\/dd\u003e\n  \u003cdt\u003eCompatible Engine Types\u003c\/dt\u003e\n\u003cdd\u003e2-Stroke \u0026amp; 4-Stroke outboards, stern drives\u003c\/dd\u003e\n  \u003cdt\u003eWarranty\u003c\/dt\u003e\n\u003cdd\u003e1 Year (varies by brand)\u003c\/dd\u003e\n  \u003cdt\u003eInstallation Hardware\u003c\/dt\u003e\n\u003cdd\u003eIncluded (screws, nuts, drill bit)\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 Mounting Screws\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan style=\"color:#d0021b;\"\u003e4 x Mounting Nuts\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cspan style=\"color:#d0021b;\"\u003e1 x Drill Bit\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\u003cp\u003eInstallation of this universal hydrofoil requires drilling into the engine's anti-ventilation plate. All necessary mounting hardware and a correctly sized drill bit are included. Always follow the detailed installation instructions provided with your specific product for a secure and safe fit. Be aware that this hydrofoil is not compatible with Mercury 40 HP 4-Stroke engines and may interfere with some shallow water drive systems.\u003c\/p\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eHow does this hydrofoil improve my boat's performance?\u003c\/summary\u003e\u003cp\u003eBy providing hydrodynamic lift at the stern, the hydrofoil helps the boat plane faster and at lower speeds. This reduces bow rise during acceleration, enhances stability in various water conditions, provides a smoother ride, and reduces issues like porpoising (bow bouncing) and cavitation (propeller ventilation).\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWill this hydrofoil fit my specific engine?\u003c\/summary\u003e\u003cp\u003eThis is a universal stabilizer designed for most outboard and stern drive engines from 40 to 350 HP. Please review the compatibility table. The key exception is the Mercury 40 HP 4-Stroke engine, which is not compatible. Always verify your engine falls within the supported range before purchasing.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs drilling required for installation?\u003c\/summary\u003e\u003cp\u003eYes, installation requires drilling four holes in the cavitation (anti-ventilation) plate of your lower unit. The kit includes the necessary drill bit, screws, and nuts to complete the process.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat causes porpoising and will this fix it?\u003c\/summary\u003e\u003cp\u003ePorpoising is the rhythmic bouncing of the boat's bow, often caused by improper weight distribution or trim settings. This hydrofoil helps mitigate porpoising by adding stern lift and improving stability, leading to a smoother and more controlled ride.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat are signs my old hydrofoil needs replacement?\u003c\/summary\u003e\u003cp\u003eInspect your hydrofoil for visible cracks, stress marks, or any pieces that have broken off. Damage can reduce effectiveness and potentially create a safety hazard. If you notice a sudden decline in performance benefits, it may be time for a replacement.\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\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50718235001147,"sku":"20HS002PL","price":54.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/20HS002PL.png?v=1762958030"},{"product_id":"hydrofoil-stabilizer-fits-outboards-stern-drives-40-350-hp-sport-300","title":"Hydrofoil Stabilizer – Fits Outboards \u0026 Stern Drives 40-350 HP (Sport 300)","description":"\u003csection\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eImprove your boat's performance with the Sea Sierra \u003cstrong\u003eWhale Tail Hydrofoil Stabilizer (Sport 300)\u003c\/strong\u003e. This universal stabilizer is designed for a broad range of outboard and stern drive applications, fitting most engines from 40 to 350 HP to enhance planing, stability, and overall handling.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInstalls via a secure bolt-on method; drilling is required.\u003c\/li\u003e\n\u003cli\u003eConstructed from durable, marine-grade UV-resistant reinforced Nylon PA66 plastic.\u003c\/li\u003e\n\u003cli\u003ePackage includes all necessary installation hardware, including a drill bit and bolts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eThis hydrofoil offers universal fitment for most outboard motors and stern drives ranging from 40 HP to 350 HP, including both 2-stroke and 4-stroke engines. Please verify the dimensions of your engine's anti-ventilation plate to ensure proper fit before installation.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eHydrofoil Stabilizer (Whale Tail)\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eBolt-on with included hardware\u003c\/dd\u003e\n  \u003cdt\u003eMaterial\u003c\/dt\u003e\n\u003cdd\u003eMarine Grade UV-Resistant Reinforced Nylon PA66 Plastic\u003c\/dd\u003e\n  \u003cdt\u003eCompatibility\u003c\/dt\u003e\n\u003cdd\u003e40-350 HP Outboard Motors and Stern Drives\u003c\/dd\u003e\n  \u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003eApproximately 17 inches (W) × 14.4 inches (H)\u003c\/dd\u003e\n  \u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e1.76 ounces (50 grams) package weight\u003c\/dd\u003e\n  \u003cdt\u003ePackage Dimensions\u003c\/dt\u003e\n\u003cdd\u003e0.39 × 0.39 × 0.39 inches (package)\u003c\/dd\u003e\n  \u003cdt\u003eColor\u003c\/dt\u003e\n\u003cdd\u003eAvailable in multiple colors (varies by SKU)\u003c\/dd\u003e\n  \u003cdt\u003eAssembly Required\u003c\/dt\u003e\n\u003cdd\u003eNo\u003c\/dd\u003e\n  \u003cdt\u003eEngine Types\u003c\/dt\u003e\n\u003cdd\u003eCompatible with 2-Stroke \u0026amp; 4-Stroke engines\u003c\/dd\u003e\n  \u003cdt\u003eInstallation Hardware\u003c\/dt\u003e\n\u003cdd\u003eIncluded (bolts, nuts, drill bit)\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 × Sport 300 Outboard Hydrofoil Stabilizer\u003c\/li\u003e\n\u003cli\u003e1 × Installation Instruction\u003c\/li\u003e\n\u003cli\u003e1 × Drill bit\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color:#d0021b;\"\u003e4 × Sets of Install Bolts\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp\u003eInstallation requires drilling into the anti-ventilation plate of the lower unit. The package includes all necessary hardware and a drill bit for a straightforward installation. For boat owners who prefer a non-permanent solution, alternative clamp-on models are available that do not require drilling.\u003c\/p\u003e\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eWill this fit my specific engine model?\u003c\/summary\u003e\u003cp\u003eThis is a universal stabilizer designed for most outboard and stern drive motors from 40 to 350 HP. We recommend measuring your engine's anti-ventilation plate to confirm it can accommodate the hydrofoil's dimensions (approx. 17\" W x 14.4\" H) before ordering.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat are the main benefits of using this hydrofoil?\u003c\/summary\u003e\u003cp\u003eThe Sport 300 is designed to get your boat on plane faster, improve stability and handling, maintain plane at lower speeds, and provide a smoother ride. It can also help reduce fuel consumption by minimizing porpoising and cavitation.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs drilling required for installation?\u003c\/summary\u003e\u003cp\u003eYes, this model uses a bolt-on design for a secure and rigid fit, which requires drilling four small holes in your engine's anti-ventilation plate. All mounting hardware and a drill bit are included.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat is the hydrofoil made of?\u003c\/summary\u003e\u003cp\u003eIt is constructed from a high-strength, marine-grade reinforced Nylon PA66 plastic, which is engineered to resist UV degradation and withstand harsh aquatic environments.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat signs indicate I might need a hydrofoil?\u003c\/summary\u003e\u003cp\u003eCommon issues that a hydrofoil can solve include a bow-high attitude during acceleration, excessive \"porpoising\" (the bow bouncing up and down), and difficulty staying on plane at lower speeds. It also improves steering response and stability in turns.\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\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":50718235263291,"sku":"20HS004","price":68.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/20HS004.png?v=1762958044"},{"product_id":"whale-tail-hydrofoil-stabilizer-fits-outboard-sterndrive-40-300-hp-engines-replaces-fo2003","title":"Whale Tail Hydrofoil Stabilizer – Fits Outboard \u0026 Sterndrive 40-300 HP Engines (Replaces FO2003)","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\u003eWhale Tail Hydrofoil Stabilizer\u003c\/strong\u003e is designed for universal application on most outboard and sterndrive engines rated from 40 to 300 HP. It improves planing speed, reduces porpoising and cavitation, and enhances overall fuel efficiency for a better boating experience.\u003c\/p\u003e\n\u003cp\u003eThis part is a direct cross-reference for several part numbers, including UANOFCN FO2003, NorthBoat FO2003, SupremeMarine FO2003, and Marine Sport 300.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInstallation requires drilling and mounting directly to the engine's anti-ventilation plate.\u003c\/li\u003e\n  \u003cli\u003eConstructed from premium, marine-grade PA66 nylon for durability in harsh saltwater and freshwater environments.\u003c\/li\u003e\n  \u003cli\u003eEach kit includes all necessary stainless steel mounting hardware and a drill bit 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.\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\u003eUANOFCN\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\u003eMarine Sport\u003c\/td\u003e\n        \u003ctd\u003e300\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\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\u003eAll Marine Brands\u003c\/td\u003e\n        \u003ctd\u003eOutboard Motors\u003c\/td\u003e\n        \u003ctd\u003e40-300 HP\u003c\/td\u003e\n        \u003ctd\u003e2- \u0026amp; 4-Stroke\u003c\/td\u003e\n        \u003ctd\u003eFO2003\u003c\/td\u003e\n        \u003ctd\u003eUniversal fit\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eAll Marine Brands\u003c\/td\u003e\n        \u003ctd\u003eStern Drives\u003c\/td\u003e\n        \u003ctd\u003e40-300 HP\u003c\/td\u003e\n        \u003ctd\u003e2- \u0026amp; 4-Stroke\u003c\/td\u003e\n        \u003ctd\u003eFO2003\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 (Whale Tail style)\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eDirect mount to anti-ventilation plate; requires drilling\u003c\/dd\u003e\n  \u003cdt\u003eFuel Type\u003c\/dt\u003e\n\u003cdd\u003eGasoline (compatible with all marine fuel types)\u003c\/dd\u003e\n  \u003cdt\u003eConnection\u003c\/dt\u003e\n\u003cdd\u003eBolt-through with 4 mounting points\u003c\/dd\u003e\n  \u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003ePremium Nylon PA66 Marine Grade Plastic\u003c\/dd\u003e\n  \u003cdt\u003eHousing Color\u003c\/dt\u003e\n\u003cdd\u003eBlue, Silver, Red (color variations available)\u003c\/dd\u003e\n  \u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003e16.93 × 14.17 inches (430 × 360 mm)\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-ventilation plate mount\u003c\/dd\u003e\n  \u003cdt\u003eHardware\u003c\/dt\u003e\n\u003cdd\u003eStainless steel hardware included\u003c\/dd\u003e\n  \u003cdt\u003eWarranty\u003c\/dt\u003e\n\u003cdd\u003e90 days (UANOFCN model)\u003c\/dd\u003e\n  \u003cdt\u003eOther Technical Attributes\u003c\/dt\u003e\n\u003cdd\u003eTurbo Trac design for improved steering precision\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\n\u003cspan style=\"color:#d0021b;\"\u003e4 x Sets\u003c\/span\u003e of Stainless Steel Screws and Nuts\u003c\/li\u003e\n  \u003cli\u003e1 x Installation Instruction\u003c\/li\u003e\n  \u003cli\u003e1 x Drill bit for installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003ePosition the hydrofoil onto the anti-ventilation plate of your outboard or sterndrive, ensuring it is centered.\u003c\/li\u003e\n  \u003cli\u003eWith the hydrofoil held firmly in place, use a marker to accurately mark the four mounting hole locations on the plate.\u003c\/li\u003e\n  \u003cli\u003eRemove the hydrofoil and carefully drill the four holes using the provided drill bit. Ensure the drill is perpendicular to the plate to prevent misalignment.\u003c\/li\u003e\n  \u003cli\u003ePlace the hydrofoil back onto the plate, align the holes, and insert the stainless steel bolts from the top.\u003c\/li\u003e\n  \u003cli\u003eSecure the hydrofoil by attaching and tightening the nuts from below. Do not overtighten. Check for a firm, secure fit before operating your vessel.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWill this hydrofoil fit my specific engine?\u003c\/summary\u003e\n  \u003cp\u003eThis is a universal hydrofoil designed to fit most outboard and sterndrive motors from 40 to 300 HP. For a guaranteed fit, compare your anti-ventilation plate's dimensions to the hydrofoil's size of 16.93 × 14.17 inches to ensure adequate mounting surface.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eDo I have to drill into my engine's cavitation plate?\u003c\/summary\u003e\n  \u003cp\u003eYes, permanent installation requires drilling four holes into the anti-ventilation (cavitation) plate to securely bolt the hydrofoil. All necessary hardware, including a drill bit, is included.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat performance benefits can I expect?\u003c\/summary\u003e\n  \u003cp\u003eA properly installed hydrofoil helps your boat get on plane faster, maintains planing at lower speeds, reduces or eliminates porpoising (bow bouncing), and can improve overall fuel economy. The Turbo Trac design also enhances steering control and stability.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs this an OEM part?\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\u003eHow fast is shipping?\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\u003eWhat is the warranty?\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\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":50718235361595,"sku":"NB-20HS002Red","price":53.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/NB-20HS002Red.png?v=1762958048"},{"product_id":"hydrofoil-stabilizer-fits-outboard-motors-stern-drives-40-300-hp-replaces-northboat-fo2003-uanofcn-fo2003","title":"Hydrofoil Stabilizer – Fits Outboard Motors \u0026 Stern Drives 40-300 HP (Replaces NorthBoat FO2003, UANOFCN FO2003)","description":"\u003csection\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThe NorthBoat FO2003 \u003cstrong\u003eWhale Tail hydrofoil stabilizer\u003c\/strong\u003e is designed to significantly improve performance for outboard motors and stern drives ranging from 40 to 300 HP. It enhances stability, reduces porpoising, and allows the boat to get on plane faster for a smoother, more efficient ride.\u003c\/p\u003e\n\u003cp\u003eThis part is a direct replacement for NorthBoat FO2003 and UANOFCN FO2003.\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003eInstalls via drilling and bolting onto the cavitation plate.\u003c\/li\u003e\n    \u003cli\u003eConstructed from marine-grade reinforced nylon PA66 plastic for durability.\u003c\/li\u003e\n    \u003cli\u003eFeatures a crescent-shaped design for improved water flow and thrust.\u003c\/li\u003e\n\u003c\/ul\u003e\n\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\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\u003eNorthBoat\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\/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\u003eUniversal\u003c\/td\u003e\n        \u003ctd\u003eOutboard Motors\u003c\/td\u003e\n        \u003ctd\u003e40–300 HP\u003c\/td\u003e\n        \u003ctd\u003e2 \u0026amp; 4-Stroke\u003c\/td\u003e\n        \u003ctd\u003eExcept Mercury 4-Strokes 40, 50, 60 HP\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eUniversal\u003c\/td\u003e\n        \u003ctd\u003eStern Drives\u003c\/td\u003e\n        \u003ctd\u003e40–300+ HP\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003eNot recommended for Volvo Ocean Series XDP\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e40–60 HP\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003eNot compatible\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\u003e\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n        \u003ctd\u003eNot compatible\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\u003e\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n        \u003ctd\u003eOnly compatible with one anode on bottom of cavitation plate (rare configuration)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eHonda\u003c\/td\u003e\n        \u003ctd\u003eOutboards\u003c\/td\u003e\n        \u003ctd\u003e200+ HP\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n        \u003ctd\u003eNot compatible\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eOutboards\u003c\/td\u003e\n        \u003ctd\u003e350 HP\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n        \u003ctd\u003eNot compatible\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo\u003c\/td\u003e\n        \u003ctd\u003eSX-A, DPS, DPR, DPH series\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n        \u003ctd\u003eRequires longer bolts and 1\" fender washers\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo\u003c\/td\u003e\n        \u003ctd\u003e280 and 290 series\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n        \u003ctd\u003eRequires longer bolts and 1\" fender washers; will fit under Volvo's top mounted anode by reversing anode to wide end forward\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo\u003c\/td\u003e\n        \u003ctd\u003eOcean Series XDP\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n        \u003ctd\u003eNot recommended\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVolvo\u003c\/td\u003e\n        \u003ctd\u003eModels with exhaust through cavitation plate\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n        \u003ctd\u003e\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\u003eHydrofoil Stabilizer\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eDrill-mounted to cavitation plate\u003c\/dd\u003e\n  \u003cdt\u003eConnection\u003c\/dt\u003e\n\u003cdd\u003eBolt-on with included hardware\u003c\/dd\u003e\n  \u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003eMarine-grade reinforced nylon PA66 plastic\u003c\/dd\u003e\n  \u003cdt\u003eHousing Color\u003c\/dt\u003e\n\u003cdd\u003eSilver (also available in other colors)\u003c\/dd\u003e\n  \u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003eH: 13.5\" (343mm) × W: 14\" (356mm) to 17\" (432mm) [some dimensional variation between sources]\u003c\/dd\u003e\n  \u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e3.4 lbs (1.54 kg)\u003c\/dd\u003e\n  \u003cdt\u003eFitting Type\u003c\/dt\u003e\n\u003cdd\u003eBolted\u003c\/dd\u003e\n  \u003cdt\u003eOther Technical Attributes\u003c\/dt\u003e\n\u003cdd\u003eCrescent-shaped design for improved water flow and thrust\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 Sets Stainless Steel SS316 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 Instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n    \u003cli\u003ePosition the hydrofoil stabilizer on the anti-cavitation plate of your outboard motor or stern drive, ensuring it is centered.\u003c\/li\u003e\n    \u003cli\u003eMark the locations for the four mounting holes on the plate using the hydrofoil as a template.\u003c\/li\u003e\n    \u003cli\u003eCarefully remove the hydrofoil and drill the marked holes using the included drill bit.\u003c\/li\u003e\n    \u003cli\u003eSecurely fasten the hydrofoil to the plate using the provided stainless steel screws and nuts. Tighten until snug, avoiding over-tightening to prevent damage to the plate.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n    \u003csummary\u003eWill this hydrofoil fit my engine?\u003c\/summary\u003e\n    \u003cp\u003eThis stabilizer is designed for universal fitment on most outboard and stern drive motors from 40 to 300 HP. However, there are known exceptions, such as certain Mercury, Honda, Yamaha, and Volvo models. Please review the compatibility table carefully to ensure it does not exclude your specific engine.\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 engine's anti-cavitation plate. All necessary mounting hardware, including stainless steel bolts and a drill bit, are included in the package.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n    \u003csummary\u003eWhat are the signs that my boat could benefit from this stabilizer?\u003c\/summary\u003e\n    \u003cp\u003eCommon issues like porpoising (the bow bouncing up and down), cavitation (propeller losing grip), chine walking at high speeds, and slow planing time are strong indicators that a hydrofoil stabilizer can improve your boat's performance and handling.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n    \u003csummary\u003eHow does this improve fuel economy?\u003c\/summary\u003e\n    \u003cp\u003eBy allowing the boat to get on plane at a lower speed and stay on plane at lower RPMs, the engine works less hard, resulting in reduced fuel consumption during cruising.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n    \u003csummary\u003eCan I install this on a Volvo Penta drive with an exhaust through the cavitation plate?\u003c\/summary\u003e\n    \u003cp\u003eNo, this model is not compatible with any sterndrive models that feature an exhaust port through the cavitation plate.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n    \u003csummary\u003eAre longer bolts required for my Volvo Penta drive?\u003c\/summary\u003e\n    \u003cp\u003eFor Volvo SX-A, DPS, DPR, DPR, 280, and 290 series drives, you will likely need longer bolts and 1\" fender washers for a secure fit, which are not included in the standard kit.\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 9001 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":50718235492667,"sku":"NB-20HS002 Silver","price":49.0,"currency_code":"USD","in_stock":true}]},{"product_id":"hydrofoil-stabilizer-fits-outboard-motors-stern-drives-5-150-hp-replaces-seasierra-19hs-uanofcn-fo2001-davis-doel-fin-440","title":"Hydrofoil Stabilizer – Fits Outboard Motors \u0026 Stern Drives 5-150 HP (Replaces SeaSierra 19HS, Uanofcn FO2001, Davis Doel-Fin 440)","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 universal \u003cstrong\u003eHydrofoil Stabilizer – Fits Outboard Motors \u0026amp; Stern Drives 5-150 HP (Dorsal Fin Style)\u003c\/strong\u003e is designed for 5-150 HP outboard motors and stern drives, and is suitable for most boats up to 200 HP. Its dorsal fin design enhances stability and performance on the water, reducing cavitation and porpoising for a smoother ride.\u003c\/p\u003e\n\u003cp\u003eIt serves as a direct cross-reference for SeaSierra 19HS, Uanofcn FO2001, and Davis Doel-Fin 440.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInstalls via bolt-on method (drilling is required).\u003c\/li\u003e\n  \u003cli\u003eConstructed from durable, UV-resistant reinforced nylon plastic for marine environments.\u003c\/li\u003e\n  \u003cli\u003eIncludes a complete set of stainless steel mounting hardware.\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\u003e19HS\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\u003eDavis\u003c\/td\u003e\n        \u003ctd\u003eDoel-Fin 440\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 Type\u003c\/th\u003e\n        \u003cth\u003eRated HP\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\u003eAll Brands\u003c\/td\u003e\n        \u003ctd\u003eOutboard Motors\u003c\/td\u003e\n        \u003ctd\u003e5–150 HP\u003c\/td\u003e\n        \u003ctd\u003eUniversal fit\u003c\/td\u003e\n        \u003ctd\u003eNot compatible with Volvo Penta 280\/290 outdrives and BMW Outdrives for engines over 50HP\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eAll Brands\u003c\/td\u003e\n        \u003ctd\u003eStern Drives\u003c\/td\u003e\n        \u003ctd\u003e5–150 HP\u003c\/td\u003e\n        \u003ctd\u003eUniversal fit\u003c\/td\u003e\n        \u003ctd\u003eCompatible with Volvo Penta 270 outdrive\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eAll Brands\u003c\/td\u003e\n        \u003ctd\u003eOutboards\/Outdrives\u003c\/td\u003e\n        \u003ctd\u003eUp to 200 HP\u003c\/td\u003e\n        \u003ctd\u003eUniversal fit\u003c\/td\u003e\n        \u003ctd\u003ePerformance may vary based on boat configuration\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, Dorsal Fin Style\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eBolt-on (drilling required)\u003c\/dd\u003e\n  \u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003eReinforced Nylon PA66 Plastic\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: 260 mm (10-1\/4 inches), W: 210 mm (8-1\/4 inches)\u003c\/dd\u003e\n  \u003cdt\u003eFitting Type\u003c\/dt\u003e\n\u003cdd\u003eBolt-on with stainless steel hardware\u003c\/dd\u003e\n  \u003cdt\u003eCompatible HP Range\u003c\/dt\u003e\n\u003cdd\u003e5-150 HP (up to 200 HP)\u003c\/dd\u003e\n  \u003cdt\u003eOther Technical Attributes\u003c\/dt\u003e\n\u003cdd\u003eUV-Resistant, Marine-grade construction\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 (Dorsal Fin Style)\u003c\/li\u003e\n  \u003cli\u003e\u003cspan style=\"color:#d0021b;\"\u003e4 x Stainless Steel Mounting Hardware Set (bolts, nuts)\u003c\/span\u003e\u003c\/li\u003e\n  \u003cli\u003e1 x Installation Guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp\u003eThis hydrofoil stabilizer requires drilling four holes into the anti-cavitation plate of your lower unit. Measure carefully before drilling to ensure proper alignment. All necessary stainless steel mounting hardware is included for a secure installation.\u003c\/p\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 specific engine?\u003c\/summary\u003e\n  \u003cp\u003eThis hydrofoil offers a universal fit for most outboard and stern drive engines from 5-150 HP. However, it is not compatible with Volvo Penta 280\/290 series and BMW outdrives on engines over 50 HP. Always measure your anti-cavitation plate and compare it with the product dimensions before purchasing.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat are the main benefits of the dorsal fin style?\u003c\/summary\u003e\n  \u003cp\u003eThe dorsal fin provides additional stability and improved tracking, especially in turns. It helps reduce porpoising and cavitation, leading to a smoother ride, faster planing, and potentially better fuel economy.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs drilling into the anti-cavitation plate safe for my engine?\u003c\/summary\u003e\n  \u003cp\u003eYes, when performed correctly, it is a standard and safe procedure. The anti-cavitation plate is robust enough for this modification. Follow the included installation guide carefully to ensure you drill in the recommended locations.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat tools are needed for installation?\u003c\/summary\u003e\n  \u003cp\u003eYou will need a power drill, appropriate drill bits for metal, a wrench or socket set to tighten the mounting hardware, and a measuring tape to ensure correct placement.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow can I tell if the hydrofoil is working correctly?\u003c\/summary\u003e\n  \u003cp\u003eAfter installation, you should notice your boat gets on plane at lower speeds, experiences less bow rise, and maintains better stability at various speeds. Handling during turns should also feel more controlled.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eCan this hydrofoil be painted to match my engine?\u003c\/summary\u003e\n  \u003cp\u003eYes, the reinforced nylon material can be painted. For a durable finish, lightly sand the surface, apply a plastic adhesion promoter, and use a quality marine-grade paint.\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":50718241653051,"sku":"VG-ZO1F-9IYW","price":32.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/VG-ZO1F-9IYW.png?v=1762958065"},{"product_id":"fuel-line-with-primer-bulb-fits-marine-outboard-rvs-replaces-6mm-fuel-lines","title":"10 ft Fuel Line with Primer Bulb, 1\/4 in (6 mm) – Universal Outboard and Small-Engine Replacement","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;\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\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis 10-foot fuel line assembly includes an inline primer bulb and is intended for marine outboard motors, RV applications, and other small engines that use a 1\/4-inch (approximately 6 mm) inner-diameter fuel line. The extended length provides routing flexibility between the fuel tank and engine.\u003c\/p\u003e\n\u003cp\u003eIt is offered as an aftermarket replacement for 6 mm fuel-line applications. The reference numbers commonly associated with comparable applications include JLM MARINE 6YL-243006, Yamaha 6Y1-24306-55, and Yamaha 61J-24306-04. Confirm the line diameter, connector style, and fuel-system layout before installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInline primer-bulb design for manual fuel-system priming.\u003c\/li\u003e\n  \u003cli\u003eSuitable for gasoline and commonly used ethanol-blended fuels when compatible with the specific application.\u003c\/li\u003e\n  \u003cli\u003ePrimer bulb includes a flow-direction arrow to help identify correct installation.\u003c\/li\u003e\n  \u003cli\u003eLong 10-foot hose length can be cut or routed as required when appropriate for the installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eThe following are application-reference numbers associated with comparable 6 mm fuel-line assemblies. They are provided for cross-reference only; verify dimensions and fittings 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\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003eReference Number\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eJLM MARINE\u003c\/td\u003e\n        \u003ctd\u003e6YL-243006\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e6Y1-24306-55\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e61J-24306-04\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\u003eCompatibility is determined primarily by the required fuel-line inner diameter and connector arrangement. This assembly is intended for engines and equipment using a 1\/4-inch (approximately 6 mm) fuel line. Always compare the original hose and fittings with the product before installation.\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 or Application\u003c\/th\u003e\n        \u003cth\u003eModel or Equipment\u003c\/th\u003e\n        \u003cth\u003eRated HP\u003c\/th\u003e\n        \u003cth\u003eStroke\u003c\/th\u003e\n        \u003cth\u003eReference Number\u003c\/th\u003e\n        \u003cth\u003eApplication Notes\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\u003eOutboard applications using 6 mm fuel line\u003c\/td\u003e\n        \u003ctd\u003eNot specified\u003c\/td\u003e\n        \u003ctd\u003eNot specified\u003c\/td\u003e\n        \u003ctd\u003e6Y1-24306-55, 61J-24306-04\u003c\/td\u003e\n        \u003ctd\u003eVerify model, year, fittings, and hose diameter\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003eOutboard applications using 1\/4 in (6 mm) connections\u003c\/td\u003e\n        \u003ctd\u003eNot specified\u003c\/td\u003e\n        \u003ctd\u003eNot specified\u003c\/td\u003e\n        \u003ctd\u003eNot specified\u003c\/td\u003e\n        \u003ctd\u003eConnector compatibility must be confirmed before installation\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n        \u003ctd\u003eOutboard applications using 1\/4 in (6 mm) connections\u003c\/td\u003e\n        \u003ctd\u003eNot specified\u003c\/td\u003e\n        \u003ctd\u003eNot specified\u003c\/td\u003e\n        \u003ctd\u003eNot specified\u003c\/td\u003e\n        \u003ctd\u003eConnector compatibility must be confirmed before installation\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eVarious\u003c\/td\u003e\n        \u003ctd\u003eRV and small-engine fuel systems\u003c\/td\u003e\n        \u003ctd\u003eNot specified\u003c\/td\u003e\n        \u003ctd\u003eNot specified\u003c\/td\u003e\n        \u003ctd\u003eNot specified\u003c\/td\u003e\n        \u003ctd\u003eFor applications requiring a 1\/4 in (6 mm) fuel line\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\u003eFuel line assembly with inline primer bulb\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n  \u003cdd\u003eInline installation; confirm connector and routing requirements\u003c\/dd\u003e\n  \u003cdt\u003eFuel Type\u003c\/dt\u003e\n  \u003cdd\u003eFor gasoline and compatible ethanol-blended fuel applications\u003c\/dd\u003e\n  \u003cdt\u003eConnection\u003c\/dt\u003e\n  \u003cdd\u003eIntended for compatible 1\/4 in (6 mm) outboard or small-engine fuel connections\u003c\/dd\u003e\n  \u003cdt\u003eHose Material\u003c\/dt\u003e\n  \u003cdd\u003eRubber fuel-line material\u003c\/dd\u003e\n  \u003cdt\u003eHousing Color\u003c\/dt\u003e\n  \u003cdd\u003eBlack\u003c\/dd\u003e\n  \u003cdt\u003eDimensions\u003c\/dt\u003e\n  \u003cdd\u003e10 ft (3.05 m) hose length; approximately 1\/4 in (6 mm) inner diameter\u003c\/dd\u003e\n  \u003cdt\u003eWeight\u003c\/dt\u003e\n  \u003cdd\u003eApproximately 0.52 kg (1.15 lb)\u003c\/dd\u003e\n  \u003cdt\u003eFitting Type\u003c\/dt\u003e\n  \u003cdd\u003eFuel-line fittings for compatible outboard applications\u003c\/dd\u003e\n  \u003cdt\u003eOther Technical Attributes\u003c\/dt\u003e\n  \u003cdd\u003ePrimer bulb has a flow-direction indicator arrow; inspect material and fittings for application compatibility before use\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 Fuel line assembly with primer bulb\u003c\/li\u003e\n  \u003cli\u003e2 x Connector fittings for compatible 1\/4 in (6 mm) fuel-line applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eTurn the engine off, work in a well-ventilated area, and keep the assembly away from ignition sources. Have an appropriate fire extinguisher nearby.\u003c\/li\u003e\n  \u003cli\u003eCompare the replacement hose diameter and connector fittings with the original fuel system before installation.\u003c\/li\u003e\n  \u003cli\u003eAttach the connector fittings to the fuel line if they are not already installed, making sure each connection is fully seated and secured.\u003c\/li\u003e\n  \u003cli\u003eConnect the line to the fuel tank and engine. Position the primer-bulb arrow in the direction of fuel flow, from the tank toward the engine.\u003c\/li\u003e\n  \u003cli\u003eSqueeze the primer bulb repeatedly until it becomes firm and fuel has reached the engine-side fuel system.\u003c\/li\u003e\n  \u003cli\u003eInspect every connection for fuel seepage or leakage before starting the engine. Correct any leak before use.\u003c\/li\u003e\n  \u003cli\u003eAfter starting the engine, allow it to run briefly and recheck all connections while observing normal safety precautions.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eHow can I confirm this fuel line will fit my engine?\u003c\/summary\u003e\u003cp\u003eCheck the original hose's inner diameter, connector type, and routing. This assembly is intended for 1\/4-inch (approximately 6 mm) fuel-line applications, but the diameter alone does not confirm connector or model compatibility.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat are the signs of a failing fuel line or primer bulb?\u003c\/summary\u003e\u003cp\u003eCommon signs include cracking, brittleness, swelling, softening, fuel odor, visible leakage, or a primer bulb that does not become firm or hold pressure. Engine sputtering or stalling can also occur when the fuel system draws air or cannot maintain fuel flow.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow often should a marine fuel line be replaced?\u003c\/summary\u003e\u003cp\u003eInspect the fuel line regularly, at least annually and before extended use. Replace it immediately if it shows cracking, hardening, swelling, leakage, or other deterioration. Service life varies with fuel type, storage conditions, heat, and exposure.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow do I properly use the primer bulb?\u003c\/summary\u003e\u003cp\u003ePosition the bulb with its arrow pointing from the fuel tank toward the engine. Squeeze it several times until it becomes firm. Stop and inspect the system if the bulb cannot become firm or if fuel leakage is present.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this fuel line suitable for ethanol-blended fuel?\u003c\/summary\u003e\u003cp\u003eThe assembly is intended for gasoline and commonly used ethanol-blended fuel applications, subject to the material requirements of the specific engine and fuel system. Follow the engine manufacturer's fuel and hose recommendations.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat's the difference between a 1\/4 in and 5\/16 in fuel line?\u003c\/summary\u003e\u003cp\u003eThe size refers to the hose's approximate inner diameter. A 1\/4-inch (6 mm) line is smaller than a 5\/16-inch (8 mm) line. Use the size specified by the engine or equipment manufacturer; an incorrect size may cause connection problems or inadequate fuel flow.\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 assembly. The reference numbers in this listing are provided for application cross-reference and do not change the aftermarket status of the product.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat should I check before ordering?\u003c\/summary\u003e\u003cp\u003eConfirm the required hose diameter, connector style, primer-bulb orientation, available hose length, and the fuel-system requirements for your equipment. Model, year, horsepower, and stroke information alone do not establish fitment without matching these physical requirements.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify the hose diameter, fittings, dimensions, and product appearance against your original assembly before installation.\u003c\/li\u003e\n  \u003cli\u003eDo not use the assembly if the hose, bulb, fittings, or connections show damage or leakage.\u003c\/li\u003e\n  \u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n  \u003cli\u003eFuel-system work should be performed by a qualified technician when you are unsure about compatibility or installation.\u003c\/li\u003e\n  \u003cli\u003eFollow the engine, vehicle, and fuel-system manufacturer's safety instructions.\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 replacement parts selected for practical service and real-world operating conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFast Global Fulfillment\u003c\/strong\u003e — Shipping options and delivery estimates are shown at checkout based on destination and availability.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer-Direct Value\u003c\/strong\u003e — We focus on dependable replacement solutions and clear application information.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50718271701307,"sku":"JFL-17-600","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/JFL-17-600.png?v=1762958754"}],"url":"https:\/\/seasierra.com\/collections\/universal-4-stroke-50hp-outboard-marine-engine-parts.oembed","provider":"SeaSierra","version":"1.0","type":"link"}