{"title":"Yamaha 4-Stroke 30-40HP Outboard Marine Engine Parts","description":"\u003csection id=\"hero\" style=\"padding:16px 0;\"\u003e\n  \u003cp\u003eFor Yamaha 4-Stroke 30–40HP outboard engines, this page helps you find compatible parts and service information. You’ll get maintenance tips, common replacement parts, and troubleshooting guidance tailored to these models. You can also browse our main Yamaha collection here: \u003ca href=\"https:\/\/seasierra.com\/collections\/yamaha-outboard-parts\"\u003eYamaha Outboard Parts\u003c\/a\u003e. Scroll to the bottom of the page to start browsing parts for this engine, and on the collection page use the \"Filter \u0026amp; Sort\" controls to narrow results by horsepower, year range, and part category\/section.\u003c\/p\u003e\n  \u003cp\u003e\n    \u003ca href=\"https:\/\/seasierra.com\/collections\/yamaha-outboard-parts\" style=\"display:inline-block;padding:10px 14px;border:1px solid #0b5;border-radius:6px;text-decoration:none;\"\u003eBrowse All Yamaha Outboard Parts\u003c\/a\u003e\n  \u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"identify-model\" style=\"padding:16px 0;\"\u003e\n  \u003ch2\u003eHow to Identify Your 30–40HP Model\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eLocate the model\/serial plate on the transom clamp bracket or swivel bracket. A secondary sticker is often found under the cowling.\u003c\/li\u003e\n    \u003cli\u003eModel codes indicate stroke type, horsepower, and options. Example: “F40TLR” = Four‑stroke 40HP with long shaft and remote control; many trims include power trim\/tilt.\u003c\/li\u003e\n    \u003cli\u003eSuffix letters\/numbers typically denote shaft length (S\/M\/L\/XL), control type (tiller vs. remote), and production run. Verify these when selecting parts.\u003c\/li\u003e\n    \u003cli\u003e30–40HP four‑strokes are commonly inline‑3 platforms. Earlier units are carbureted; later units use EFI—some fuel\/electrical parts are platform‑specific.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"platforms\" style=\"padding:16px 0;\"\u003e\n  \u003ch2\u003ePlatform Overview\u003c\/h2\u003e\n\n  \u003ch3\u003eInline‑3 Carbureted (early generation)\u003c\/h3\u003e\n  \u003ctable style=\"width:100%;max-width:900px;border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ccc;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ccc;\"\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, four‑stroke, carbureted induction\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eCommon Models\u003c\/td\u003e\n        \u003ctd\u003eF30 (early variants), F40 examples such as F40TLR\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eAdvantages\u003c\/td\u003e\n        \u003ctd\u003eSimple fuel system, straightforward diagnostics, reliable mid‑range torque\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eNotes\u003c\/td\u003e\n        \u003ctd\u003eMany gaskets and hard parts interchange with later versions, but fuel and ignition components differ from EFI models.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003eInline‑3 EFI (later generation)\u003c\/h3\u003e\n  \u003ctable style=\"width:100%;max-width:900px;border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ccc;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ccc;\"\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, four‑stroke, electronic fuel injection\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eCommon Models\u003c\/td\u003e\n        \u003ctd\u003eF30\/F40 later revisions (e.g., EFI‑equipped series)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eAdvantages\u003c\/td\u003e\n        \u003ctd\u003eImproved fuel economy, better cold starts, cleaner emissions\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eNotes\u003c\/td\u003e\n        \u003ctd\u003eFuel system, sensors, and electrical components are EFI‑specific. Verify by model code and serial before ordering.\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 0;\"\u003e\n  \u003ch2\u003eRoutine Maintenance \u0026amp; Service Parts\u003c\/h2\u003e\n  \u003cp\u003eIntervals below are general guidelines for Yamaha 4‑stroke 30–40HP outboards. Always confirm the maintenance schedule in your official service manual and adjust for local conditions and usage.\u003c\/p\u003e\n  \u003ctable style=\"width:100%;max-width:1000px;border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ccc;\"\u003eItem\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ccc;\"\u003eInterval*\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ccc;\"\u003eRemarks\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ccc;\"\u003eParts Link\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eEngine oil \u0026amp; oil filter\u003c\/td\u003e\n        \u003ctd\u003eEvery 100 hours or annually\u003c\/td\u003e\n        \u003ctd\u003eWarm engine before draining; replace crush washer as needed\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 hours or annually\u003c\/td\u003e\n        \u003ctd\u003eCheck for water intrusion (milky oil) and metal on magnet\u003c\/td\u003e\n        \u003ctd\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/yamaha-outboard-parts\"\u003eYamaha Outboard Parts\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eSpark plugs\u003c\/td\u003e\n        \u003ctd\u003eInspect at 100 hours; replace ~200 hours or as needed\u003c\/td\u003e\n        \u003ctd\u003eUse correct heat range; verify gap and torque\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‑separating filter\u003c\/td\u003e\n        \u003ctd\u003eInspect every 50 hours; replace annually\u003c\/td\u003e\n        \u003ctd\u003eDrain or replace sooner with stale\/contaminated fuel\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 hours\u003c\/td\u003e\n        \u003ctd\u003eShorten interval for sandy, silty, or shallow use\u003c\/td\u003e\n        \u003ctd\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/yamaha-water-pump-repair-kits\"\u003eYamaha Water Pump Repair Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eAnodes (internal \u0026amp; external)\u003c\/td\u003e\n        \u003ctd\u003eInspect frequently; replace when ~50% depleted\u003c\/td\u003e\n        \u003ctd\u003eMatch anode material to your water type (salt, brackish, fresh)\u003c\/td\u003e\n        \u003ctd\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/yamaha-anodes\"\u003eYamaha Anodes\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eLower unit seals (as needed)\u003c\/td\u003e\n        \u003ctd\u003eInspect at service; replace if leaking\u003c\/td\u003e\n        \u003ctd\u003eSigns include milky gear oil or water intrusion\u003c\/td\u003e\n        \u003ctd\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/yamaha-lower-unit-seal-kits\"\u003eYamaha Lower Unit Seal Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n  \u003cp style=\"font-size:12px;color:#555;\"\u003e*Interval is a guideline. Follow the most conservative recommendation between time and hours.\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"common-parts\" style=\"padding:16px 0;\"\u003e\n  \u003ch2\u003eFrequently Used Parts Categories\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eRoutine Service — \u003ca href=\"https:\/\/seasierra.com\/collections\/yamaha-service-maintenance-kits\"\u003eYamaha Service \u0026amp; Maintenance Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCooling System — \u003ca href=\"https:\/\/seasierra.com\/collections\/yamaha-water-pump-repair-kits\"\u003eYamaha Water Pump Repair Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eLower Unit \/ Gearcase Seals — \u003ca href=\"https:\/\/seasierra.com\/collections\/yamaha-lower-unit-seal-kits\"\u003eYamaha Lower Unit Seal Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCorrosion Protection — \u003ca href=\"https:\/\/seasierra.com\/collections\/yamaha-anodes\"\u003eYamaha Anodes\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003ePropulsion — \u003ca href=\"https:\/\/seasierra.com\/collections\/yamaha-propellers\"\u003eYamaha Propellers\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eIgnition \/ Starting — \u003ca href=\"https:\/\/seasierra.com\/collections\/yamaha-starters\"\u003eYamaha Starters\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eFuel System — \u003ca href=\"https:\/\/seasierra.com\/collections\/fuel-filters-1\"\u003eFuel Filters\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"troubleshooting\" style=\"padding:16px 0;\"\u003e\n  \u003ch2\u003eCommon Symptoms \u0026amp; Quick Checks\u003c\/h2\u003e\n  \u003ctable style=\"width:100%;max-width:1000px;border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ccc;\"\u003eSymptom\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ccc;\"\u003eCheck First\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ccc;\"\u003eRelated Parts\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eWeak tell‑tale stream or overheat alarm\u003c\/td\u003e\n        \u003ctd\u003eInspect intake screens, verify impeller condition, and confirm thermostat operation\u003c\/td\u003e\n        \u003ctd\u003eWater pump kit, intake screen, thermostat, gaskets\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003ePoor acceleration or power loss\u003c\/td\u003e\n        \u003ctd\u003eCheck prop damage\/slip, fuel quality and filters, and spark plug condition\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\u003eVerify battery state, enrichment\/choke function (carb) or EFI sensors, and look for vacuum leaks\u003c\/td\u003e\n        \u003ctd\u003eSpark plugs, fuel filter, starter components, hoses\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eGearcase noise or metal in gear oil\u003c\/td\u003e\n        \u003ctd\u003eDrain and inspect gear oil; check for water intrusion and seal damage\u003c\/td\u003e\n        \u003ctd\u003eLower unit seal kit, bearings, gear lube\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eTrim\/tilt slow or inoperative\u003c\/td\u003e\n        \u003ctd\u003eCheck battery voltage, fuses\/relays, and trim motor connections\u003c\/td\u003e\n        \u003ctd\u003eTrim motor, relays, wiring\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 0;\"\u003e\n  \u003ch2\u003eFAQs\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eAre parts interchangeable between different years or platforms?\u003c\/summary\u003e\n    \u003cp\u003eSome gaskets, seals, and hardware overlap, but carbureted and EFI systems use different fuel and electrical components. Always confirm by model code and serial number, and match shaft length and control type.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhen should I replace the water pump impeller?\u003c\/summary\u003e\n    \u003cp\u003eAs a rule of thumb, every 2–3 seasons or about 200 hours. Replace sooner if the tell‑tale weakens, the engine overheats, or you operate in sandy\/silty shallows.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should gear oil be changed?\u003c\/summary\u003e\n    \u003cp\u003eChange gear oil every 100 hours or annually—whichever comes first. If you see milky oil or after a hard impact\/grounding, service immediately and inspect seals.\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 (e.g., an F40 variant), serial number, shaft length, control type (tiller or remote), and any noted options such as power trim\/tilt. Photos of the nameplate and the part needing replacement are very helpful.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"cta\" style=\"padding:16px 0;\"\u003e\n  \u003cp\u003eReady to find the right components? Browse our Yamaha collection by horsepower, year, and model.\u003c\/p\u003e\n  \u003cp\u003e\n    \u003ca href=\"https:\/\/seasierra.com\/collections\/yamaha-outboard-parts\" style=\"display:inline-block;padding:10px 14px;border:1px solid #0b5;border-radius:6px;text-decoration:none;\"\u003eShop Yamaha Outboard Parts\u003c\/a\u003e\n  \u003c\/p\u003e\n  \u003cp style=\"font-size:12px;color:#555;\"\u003eIf you’re unsure about your model, send us a clear photo of the nameplate and the part you need—we’ll help verify compatibility.\u003c\/p\u003e\n\u003c\/section\u003e","products":[{"product_id":"water-pump-repair-kit-fits-yamaha-f30-f40-replaces-yamaha-6bg-w0078-00-00-6bg-w0078-01-00-sierra-18-3490","title":"Water Pump Repair Kit with Housing for Yamaha F40 4-Stroke Outboard (2010–2023) – Replaces Yamaha 6BG-W0078-00","description":"\u003c!-- 🔧 Table Styles (include only once per page) --\u003e\n\u003cstyle\u003e\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n  table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n  table.ss-table th, table.ss-table td {\n    padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n  }\n  table.ss-table th {\n    white-space:nowrap;\n    word-break:normal;\n    letter-spacing:normal;\n    font-weight:600;\n    background:#f8fafc;\n  }\n  @media (max-width:480px){\n    table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n  }\n\u003c\/style\u003e\n\n\u003csection\u003e\n  \u003ch2\u003eProduct Details\u003c\/h2\u003e\n  \u003cp\u003eThis \u003cstrong\u003eWater Pump Repair Kit with Housing\u003c\/strong\u003e is designed for Yamaha F40 4-stroke outboard motors from 2010 through 2023. The kit is intended to service the engine cooling system and replace worn water-pump components, including the pump housing.\u003c\/p\u003e\n  \u003cp\u003eThis is an aftermarket replacement for the Yamaha water-pump reference \u003cstrong\u003e6BG-W0078-00\u003c\/strong\u003e. Verify the complete engine model, year, and original component configuration before ordering.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eComplete water pump service kit with housing.\u003c\/li\u003e\n    \u003cli\u003eDesigned for Yamaha F40 4-stroke outboards, model years 2010–2023.\u003c\/li\u003e\n    \u003cli\u003eHelps restore water-pump circulation and cooling-system performance.\u003c\/li\u003e\n    \u003cli\u003eAftermarket replacement; not a genuine Yamaha OEM component.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003ePart Number Reference\u003c\/h2\u003e\n  \u003cp\u003eThe following reference identifies the Yamaha application associated with this product. It is not a claim that every water-pump kit using a similar part number has the same contents.\u003c\/p\u003e\n  \u003cdiv class=\"ss-table-wrap\"\u003e\n    \u003ctable class=\"ss-table\" aria-label=\"Part Number Reference\"\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n          \u003cth\u003eBrand\u003c\/th\u003e\n          \u003cth\u003eReference\u003c\/th\u003e\n          \u003cth\u003eApplication Note\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\u003e6BG-W0078-00\u003c\/td\u003e\n          \u003ctd\u003eWater pump service kit with housing for the specified Yamaha F40 application\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 limited to the application stated below. Confirm the model designation and year shown on your engine before purchasing.\u003c\/p\u003e\n  \u003cdiv class=\"ss-table-wrap\"\u003e\n    \u003ctable class=\"ss-table\" aria-label=\"Engine Model Compatibility\"\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n          \u003cth\u003eBrand\u003c\/th\u003e\n          \u003cth\u003eModel\u003c\/th\u003e\n          \u003cth\u003eRated HP\u003c\/th\u003e\n          \u003cth\u003eStroke\u003c\/th\u003e\n          \u003cth\u003eYears\u003c\/th\u003e\n          \u003cth\u003eReference\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\u003eF40\u003c\/td\u003e\n          \u003ctd\u003e40 HP\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e2010–2023\u003c\/td\u003e\n          \u003ctd\u003e6BG-W0078-00\u003c\/td\u003e\n          \u003ctd\u003eWater pump service kit with housing\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n  \u003cdl\u003e\n    \u003cdt\u003eProduct Type\u003c\/dt\u003e\n    \u003cdd\u003eWater pump repair kit with housing\u003c\/dd\u003e\n    \u003cdt\u003eApplication\u003c\/dt\u003e\n    \u003cdd\u003eYamaha F40 4-stroke outboard\u003c\/dd\u003e\n    \u003cdt\u003eCompatible Years\u003c\/dt\u003e\n    \u003cdd\u003e2010–2023\u003c\/dd\u003e\n    \u003cdt\u003eInstallation\u003c\/dt\u003e\n    \u003cdd\u003eReplacement service part; installation should follow the applicable Yamaha service procedure\u003c\/dd\u003e\n    \u003cdt\u003eSystem\u003c\/dt\u003e\n    \u003cdd\u003eMarine outboard cooling system\u003c\/dd\u003e\n  \u003c\/dl\u003e\n\n  \u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n  \u003cp\u003eThis product is supplied as a \u003cstrong\u003ewater pump service kit with housing\u003c\/strong\u003e. The exact component design and hardware should be compared with the original assembly before installation. Package contents are intended for the Yamaha F40 application stated above.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eWater pump housing\u003c\/li\u003e\n    \u003cli\u003eWater pump service components\u003c\/li\u003e\n    \u003cli\u003eInstallation seals, gaskets, and related service hardware as supplied for this kit\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Individual component part numbers and quantities can vary by kit configuration. Do not assume that a separate water-pump component listing or a without-housing kit has the same contents as this product.\u003c\/p\u003e\n\n  \u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n  \u003col\u003e\n    \u003cli\u003eDisconnect the battery and place the engine in a safe, stable position.\u003c\/li\u003e\n    \u003cli\u003eRemove the lower unit according to the applicable Yamaha service procedure.\u003c\/li\u003e\n    \u003cli\u003eRemove the existing water-pump assembly and inspect the water tube, driveshaft, key, and mating surfaces.\u003c\/li\u003e\n    \u003cli\u003eClean all sealing surfaces and remove old gasket material and debris.\u003c\/li\u003e\n    \u003cli\u003eInstall the replacement housing and service components in the correct orientation.\u003c\/li\u003e\n    \u003cli\u003eEnsure the impeller key and impeller are correctly positioned before fitting the pump cover.\u003c\/li\u003e\n    \u003cli\u003eApply the manufacturer-specified torque to the pump fasteners; do not guess torque values.\u003c\/li\u003e\n    \u003cli\u003eReinstall the lower unit, aligning the water tube, driveshaft, and shift mechanism.\u003c\/li\u003e\n    \u003cli\u003eReconnect the battery and test the engine with an adequate water supply.\u003c\/li\u003e\n    \u003cli\u003eConfirm a steady cooling-water telltale stream and check for leaks before normal operation.\u003c\/li\u003e\n  \u003c\/ol\u003e\n\n  \u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhich Yamaha outboard does this kit fit?\u003c\/summary\u003e\n    \u003cp\u003eThis kit is specified for Yamaha F40 4-stroke outboards from 2010–2023. It is not a general replacement for every Yamaha F25, F30, F40, T25, or other outboard model. Confirm the exact model and year before ordering.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eDoes this kit include the water pump housing?\u003c\/summary\u003e\n    \u003cp\u003eYes. The company product specification identifies this product as a water pump service kit with housing.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs this a genuine Yamaha part?\u003c\/summary\u003e\n    \u003cp\u003eNo. This is an aftermarket replacement intended for the Yamaha F40 application listed above.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat are the signs of a failing water pump?\u003c\/summary\u003e\n    \u003cp\u003eCommon signs include a weak or intermittent telltale stream, overheating warnings, abnormal temperature rise, or steam near the exhaust. Inspect the impeller and the complete pump assembly if any of these symptoms occur.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eCan a without-housing water pump kit be substituted?\u003c\/summary\u003e\n    \u003cp\u003eNot automatically. A kit supplied without a housing has different package contents. Compare the original assembly and the exact engine model and year before selecting a replacement.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should the water pump be serviced?\u003c\/summary\u003e\n    \u003cp\u003eInspect the water pump during scheduled maintenance and replace worn or damaged components promptly. Service intervals may be shorter in sandy, silty, or saltwater operating conditions. Follow the maintenance schedule for your specific engine.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eShipping speed \u0026amp; cost?\u003c\/summary\u003e\n    \u003cp\u003eShipping options and delivery estimates are shown at checkout and may vary by destination and availability.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWarranty \u0026amp; returns?\u003c\/summary\u003e\n    \u003cp\u003eReturns and warranty coverage are subject to the applicable store policy. Contact support with your order details if you need assistance.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eConfirm the Yamaha F40 4-stroke model and 2010–2023 year range before purchase.\u003c\/li\u003e\n    \u003cli\u003eCompare the replacement housing and service components with the original assembly before installation.\u003c\/li\u003e\n    \u003cli\u003eDo not operate the engine without an adequate cooling-water supply.\u003c\/li\u003e\n    \u003cli\u003eUse the applicable Yamaha service instructions and specified torque values.\u003c\/li\u003e\n    \u003cli\u003eProfessional installation is recommended if you are unfamiliar with lower-unit or water-pump service.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eMarine replacement parts for practical outboard service and maintenance.\u003c\/li\u003e\n    \u003cli\u003eApplication-focused product information to help match parts with the correct engine.\u003c\/li\u003e\n    \u003cli\u003eSupport for customers selecting replacement cooling-system components.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723966157115,"sku":"23KY080","price":38.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/Water_Pump_Impeller_Kit_for_YamahaF30-F40_6BG-W0078-00_-_JLM_MARINE-8288900.jpg?v=1763038619"},{"product_id":"water-pump-repair-kit-fits-yamaha-f30-f40-4-stroke-outboards-replaces-6bg-w0078-00-00-6bg-w0078-01-00","title":"Water Pump Repair Kit Without Housing for Yamaha F40 4-Stroke Outboards, 2010–2023 (Replaces 6BG-W0078-00-00 and 6BG-W0078-01-00)","description":"\u003csection\u003e\n\u003cstyle\u003e\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n  table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n  table.ss-table th, table.ss-table td {\n    padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n  }\n  table.ss-table th {\n    white-space:nowrap;\n    word-break:normal;\n    letter-spacing:normal;\n    font-weight:600;\n    background:#f8fafc;\n  }\n  @media (max-width:480px){\n    table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n  }\n\u003c\/style\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis aftermarket \u003cstrong\u003ewater pump repair kit without housing\u003c\/strong\u003e is intended for Yamaha F40 4-stroke outboards from model years 2010 through 2023. It is designed for water pump service when the existing pump housing is suitable for reuse.\u003c\/p\u003e\n\u003cp\u003eThe kit is associated with Yamaha reference numbers \u003cstrong\u003e6BG-W0078-00-00\u003c\/strong\u003e and \u003cstrong\u003e6BG-W0078-01-00\u003c\/strong\u003e. The aftermarket reference for this service kit is \u003cstrong\u003e18-3490\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWater pump service kit for Yamaha F40 4-stroke outboards.\u003c\/li\u003e\n  \u003cli\u003eHousing is not included.\u003c\/li\u003e\n  \u003cli\u003eUse the existing housing only after checking it for wear, scoring, corrosion, distortion, and other damage.\u003c\/li\u003e\n  \u003cli\u003eConfirm the exact engine model and year before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eThese references identify the water pump repair kit application. They are provided for cross-reference and should be checked against the engine model and year.\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 Type\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\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eOEM reference\u003c\/td\u003e\n        \u003ctd\u003e6BG-W0078-00-00\u003c\/td\u003e\n        \u003ctd\u003eWater pump repair kit reference\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eOEM reference\u003c\/td\u003e\n        \u003ctd\u003e6BG-W0078-01-00\u003c\/td\u003e\n        \u003ctd\u003eWater pump repair kit reference\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eAftermarket\u003c\/td\u003e\n        \u003ctd\u003eCross-reference\u003c\/td\u003e\n        \u003ctd\u003e18-3490\u003c\/td\u003e\n        \u003ctd\u003eAftermarket service-kit reference\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eThe company application for this product is limited to \u003cstrong\u003eYamaha F40 4-stroke outboards, model years 2010–2023\u003c\/strong\u003e. Exact model codes, shaft length, serial range, and lower-unit configuration may affect compatibility, so compare your engine identification information with the applicable parts diagram before installation.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Engine and Model Compatibility\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003eEngine Family\u003c\/th\u003e\n        \u003cth\u003eRated HP\u003c\/th\u003e\n        \u003cth\u003eStroke\u003c\/th\u003e\n        \u003cth\u003eModel Years\u003c\/th\u003e\n        \u003cth\u003eOEM References\u003c\/th\u003e\n        \u003cth\u003eHousing\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\u003eF40\u003c\/td\u003e\n        \u003ctd\u003e40 HP\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e2010–2023\u003c\/td\u003e\n        \u003ctd\u003e6BG-W0078-00-00; 6BG-W0078-01-00\u003c\/td\u003e\n        \u003ctd\u003eNot included\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eNot confirmed for Yamaha F30, Yamaha 2-stroke models, or other engine families.\u003c\/strong\u003e Do not rely on horsepower alone; verify the complete model designation and year.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct Type\u003c\/dt\u003e\n  \u003cdd\u003eWater pump repair kit\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n  \u003cdd\u003eYamaha F40 4-stroke outboards, 2010–2023\u003c\/dd\u003e\n  \u003cdt\u003eHousing\u003c\/dt\u003e\n  \u003cdd\u003eNot included; existing housing is reused if serviceable\u003c\/dd\u003e\n  \u003cdt\u003eProduct Status\u003c\/dt\u003e\n  \u003cdd\u003eAftermarket replacement\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cp\u003eThis listing is for a water pump repair kit supplied \u003cstrong\u003ewithout the pump housing\u003c\/strong\u003e. The pump housing must be reused if it passes inspection or sourced separately when replacement is required. Because component configurations can vary by production batch and application, compare the supplied parts with the applicable service diagram before beginning installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWater pump repair-service components for the stated Yamaha F40 4-stroke application\u003c\/li\u003e\n  \u003cli\u003ePump housing: \u003cstrong\u003enot included\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eConfirm the engine is a Yamaha F40 4-stroke model from 2010–2023 and disconnect the battery before service.\u003c\/li\u003e\n  \u003cli\u003eRemove the lower unit according to the engine manufacturer's service procedure.\u003c\/li\u003e\n  \u003cli\u003eRemove the existing water pump components and inspect the housing, wear surfaces, water passages, and related hardware.\u003c\/li\u003e\n  \u003cli\u003eDo not reuse a housing that is excessively worn, scored, corroded, distorted, or otherwise damaged.\u003c\/li\u003e\n  \u003cli\u003eClean the mating and sealing surfaces before installing the replacement service components.\u003c\/li\u003e\n  \u003cli\u003eInstall the components in the correct order and orientation, using the applicable service manual for torque values and sealing requirements.\u003c\/li\u003e\n  \u003cli\u003eReinstall the lower unit and confirm that the driveshaft, water tube, and shift mechanism are correctly aligned.\u003c\/li\u003e\n  \u003cli\u003eRun the engine only in an appropriate water source or with the correct flushing equipment, and confirm a steady cooling-water tell-tale stream before normal operation.\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 kit fits my engine?\u003c\/summary\u003e\n  \u003cp\u003eThis kit is specified for Yamaha F40 4-stroke outboards from 2010–2023. Verify the complete model designation and year before ordering. It is not confirmed here for F30, 2-stroke, or other Yamaha applications.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eDoes the kit include the water pump housing?\u003c\/summary\u003e\n  \u003cp\u003eNo. This product is the water pump repair kit without housing. Inspect your existing housing and replace it separately if it is worn or damaged.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat are the signs of a failing water pump?\u003c\/summary\u003e\n  \u003cp\u003eCommon symptoms can include a weak or intermittent tell-tale stream, an overheating warning, reduced cooling-water flow, or visible damage to the impeller and related pump components. Shut the engine down if overheating occurs and investigate before further operation.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eCan I reuse my existing housing?\u003c\/summary\u003e\n  \u003cp\u003eThe existing housing may be reused only if it is in serviceable condition. Check for grooves, scoring, corrosion, distortion, and excessive wear before assembly.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs this an OEM part?\u003c\/summary\u003e\n  \u003cp\u003eNo. This is an aftermarket replacement service kit. Yamaha reference numbers are provided for application and cross-reference purposes only.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eAre the Yamaha reference numbers interchangeable for every model?\u003c\/summary\u003e\n  \u003cp\u003eThe listed references are associated with this product, but compatibility still depends on the complete engine model and year. Confirm the application before purchase rather than matching a number alone.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Information\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify the complete engine model, year, and applicable parts diagram before ordering.\u003c\/li\u003e\n  \u003cli\u003eThis kit does not include the pump housing.\u003c\/li\u003e\n  \u003cli\u003eFollow the manufacturer's service procedures and torque specifications during installation.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended if you are not familiar with lower-unit or water-pump service.\u003c\/li\u003e\n  \u003cli\u003eNever operate an outboard without an adequate water supply for cooling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMarine Replacement Parts\u003c\/strong\u003e — Practical aftermarket components for routine service and repair.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication-Focused Listings\u003c\/strong\u003e — Product descriptions identify the supported engine family and important exclusions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService Support\u003c\/strong\u003e — Check the engine identification information and parts diagram before installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723966189883,"sku":"17KY005","price":32.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/Water_Pump_Impeller_Kit_for_Yamaha_F30-F40_6BG-W0078-00_-_JLM_MARINE-8288793.jpg?v=1763038621"},{"product_id":"fuel-injector-fits-yamaha-30-40-hp-4-stroke-replaces-6bg-13761-00-00","title":"100% New Fuel Injector for Yamaha F30\/F40 4-Stroke Outboards (2009–2020) – Replaces 6BG-13761-00","description":"\u003csection\u003e\n\u003c!-- 🔧 Table Styles (include only once per page) --\u003e\n\u003cstyle\u003e\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n  table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n  table.ss-table th, table.ss-table td {\n    padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n  }\n  table.ss-table th {\n    white-space:nowrap;\n    word-break:normal;\n    letter-spacing:normal;\n    font-weight:600;\n    background:#f8fafc;\n  }\n  @media (max-width:480px){\n    table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n  }\n\u003c\/style\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003e100% new aftermarket fuel injector\u003c\/strong\u003e is designed for select Yamaha F30 and F40 4-stroke outboard applications from 2009 through 2020. It is intended to replace the original injector using the corresponding Yamaha part reference \u003cstrong\u003e6BG-13761-00\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe injector is sold as a single replacement component. Please compare the part number, engine model, year, and the physical appearance of your original injector before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e100% new aftermarket fuel injector.\u003c\/li\u003e\n  \u003cli\u003eFor select Yamaha F30 and F40 4-stroke outboards.\u003c\/li\u003e\n  \u003cli\u003eDesigned as a replacement for the listed Yamaha part reference.\u003c\/li\u003e\n  \u003cli\u003eOne individual fuel injector included per package.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Reference\u003c\/h2\u003e\n\u003cp\u003eUse the reference below to compare the injector with your original part before purchase.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Part Number Reference\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003ePart Number\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003e6BG-13761-00\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\u003eThis fuel injector is listed for select Yamaha F30 and F40 4-stroke outboards manufactured from 2009 through 2020. Fitment can vary by exact engine configuration, so confirm your original part number and engine information before ordering.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Engine and Model Compatibility\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003eModel\u003c\/th\u003e\n        \u003cth\u003eRated HP\u003c\/th\u003e\n        \u003cth\u003eStroke\u003c\/th\u003e\n        \u003cth\u003eYears\u003c\/th\u003e\n        \u003cth\u003eReference 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\u003eF30\u003c\/td\u003e\n        \u003ctd\u003e30 HP\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e2009–2020\u003c\/td\u003e\n        \u003ctd\u003e6BG-13761-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eF40\u003c\/td\u003e\n        \u003ctd\u003e40 HP\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e2009–2020\u003c\/td\u003e\n        \u003ctd\u003e6BG-13761-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct Type\u003c\/dt\u003e\n  \u003cdd\u003eFuel Injector\u003c\/dd\u003e\n  \u003cdt\u003eCondition\u003c\/dt\u003e\n  \u003cdd\u003e100% new\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n  \u003cdd\u003eSelect Yamaha F30 and F40 4-stroke outboards\u003c\/dd\u003e\n  \u003cdt\u003eApplication Years\u003c\/dt\u003e\n  \u003cdd\u003e2009–2020\u003c\/dd\u003e\n  \u003cdt\u003eFuel Type\u003c\/dt\u003e\n  \u003cdd\u003eGasoline\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n  \u003cdd\u003eReplacement component; verify fitment before installation\u003c\/dd\u003e\n  \u003cdt\u003eYamaha Reference Part No.\u003c\/dt\u003e\n  \u003cdd\u003e6BG-13761-00\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e1\u003c\/span\u003e x 100% New Fuel Injector\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eDisconnect the battery and relieve fuel-system pressure according to the applicable service manual.\u003c\/li\u003e\n  \u003cli\u003eDisconnect the electrical connector and fuel connection from the existing injector.\u003c\/li\u003e\n  \u003cli\u003eRemove the original injector carefully, protecting the fuel rail and sealing surfaces.\u003c\/li\u003e\n  \u003cli\u003eInspect the replacement injector and its seals before installation.\u003c\/li\u003e\n  \u003cli\u003eLubricate the injector seals only as recommended by the service manual, then install the injector into the fuel rail.\u003c\/li\u003e\n  \u003cli\u003eSecure the injector, reconnect the fuel line and electrical connector, and confirm that all connections are properly seated.\u003c\/li\u003e\n  \u003cli\u003eReconnect the battery, turn the ignition on without starting the engine, and inspect carefully for fuel leaks.\u003c\/li\u003e\n  \u003cli\u003eAfter confirming that the system is leak-free, start the engine and check for proper operation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eFuel-system work should be performed by a qualified technician when required. Always follow the procedures and safety requirements in your engine service manual.\u003c\/p\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow do I know if my fuel injector may be failing?\u003c\/summary\u003e\n  \u003cp\u003ePossible symptoms include rough idling, hesitation, poor acceleration, increased fuel consumption, misfiring, or difficulty starting. These symptoms can have several causes, so the fuel system should be tested before replacing a component.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs this injector compatible with my Yamaha F30 or F40?\u003c\/summary\u003e\n  \u003cp\u003eThis injector is listed for select Yamaha F30 and F40 4-stroke outboards from 2009–2020. Confirm your exact engine model and year, and compare the original injector and reference number 6BG-13761-00 before ordering.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs this an OEM Yamaha injector?\u003c\/summary\u003e\n  \u003cp\u003eNo. This is a 100% new aftermarket replacement injector. Yamaha and the listed part number are referenced only for application and part-number comparison.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eDoes the package include multiple injectors?\u003c\/summary\u003e\n  \u003cp\u003eNo. This listing is for one individual fuel injector.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eDoes the injector require programming?\u003c\/summary\u003e\n  \u003cp\u003eNo programming information is provided for this replacement component. Follow the applicable Yamaha service-manual procedures and confirm fitment before installation.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat should I check before installation?\u003c\/summary\u003e\n  \u003cp\u003eCompare the original injector, connector, seals, physical dimensions, engine model, production year, and reference part number. Do not install the part if any important detail differs.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Information\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eFuel is flammable. Work in a well-ventilated area away from flames, sparks, and other ignition sources.\u003c\/li\u003e\n  \u003cli\u003eRelieve fuel pressure and disconnect the battery before beginning installation.\u003c\/li\u003e\n  \u003cli\u003eVerify the engine model, year, original part number, and physical appearance before purchase.\u003c\/li\u003e\n  \u003cli\u003eThis is an aftermarket replacement, not an OEM Yamaha component.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended for fuel-system work.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMarine Replacement Parts\u003c\/strong\u003e — We supply aftermarket components for a range of marine repair applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication-Focused Listings\u003c\/strong\u003e — Product information is organized around part-number and engine-application checks.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReplacement Value\u003c\/strong\u003e — Our aftermarket parts provide practical replacement options for maintenance and repair projects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723966255419,"sku":"25FUI437","price":39.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/25FUI437_a90e2ee5-ab1b-45f6-96f5-7821eec933bc.jpg?v=1763038622"},{"product_id":"vapor-separator-tank-vst-fuel-filter-fits-yamaha-30-40hp-replaces-6bg-13915-01-00","title":"Fuel Filter for Yamaha F30–F90 and T50–T60 Outboards – Replaces 6BG-13915-00 \/ 6BG-13915-01","description":"\u003c!-- 🔧 Table Styles (include only once per page) --\u003e\n\u003cstyle\u003e\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n  table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n  table.ss-table th, table.ss-table td {\n    padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n  }\n  table.ss-table th {\n    white-space:nowrap;\n    word-break:normal;\n    letter-spacing:normal;\n    font-weight:600;\n    background:#f8fafc;\n  }\n  @media (max-width:480px){\n    table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n  }\n\u003c\/style\u003e\n\u003csection\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis is an aftermarket replacement \u003cstrong\u003efuel filter\u003c\/strong\u003e for selected Yamaha outboard fuel systems. It is supplied as a single filter and is intended to help remove contaminants from the fuel before they reach downstream fuel-system components.\u003c\/p\u003e\n\u003cp\u003eThis filter replaces Yamaha reference numbers \u003cstrong\u003e6BG-13915-00\u003c\/strong\u003e and \u003cstrong\u003e6BG-13915-01\u003c\/strong\u003e. The aftermarket reference associated with this product is \u003cstrong\u003e18-79970\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReplacement fuel filter for selected Yamaha outboard applications.\u003c\/li\u003e\n\u003cli\u003eDesigned for use with gasoline fuel systems when the listed application matches your engine.\u003c\/li\u003e\n\u003cli\u003eHelps support clean fuel delivery and protect fuel-system components from contamination.\u003c\/li\u003e\n\u003cli\u003eSingle replacement filter; no additional parts are stated as included.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse the following references to compare the filter with your original part. Part-number references do not replace verification of the complete engine model and year.\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\u003eReference Type\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\u003eYamaha reference\u003c\/td\u003e\n\u003ctd\u003e6BG-13915-00\u003c\/td\u003e\n\u003ctd\u003eReplacement reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha reference\u003c\/td\u003e\n\u003ctd\u003e6BG-13915-01\u003c\/td\u003e\n\u003ctd\u003eReplacement reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAftermarket reference\u003c\/td\u003e\n\u003ctd\u003e18-79970\u003c\/td\u003e\n\u003ctd\u003eFuel filter reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eThe company fitment record lists the following Yamaha outboard model families and year ranges. Confirm the complete model designation and year before ordering; model suffixes, serial-number conditions and regional variations may affect fitment.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n\u003ctable class=\"ss-table\" aria-label=\"Engine and Model Compatibility\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel Family\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eReference Numbers\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\u003eF30\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e2013\u003c\/td\u003e\n\u003ctd\u003e6BG-13915-00; 6BG-13915-01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eF40\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e2008–2013\u003c\/td\u003e\n\u003ctd\u003e6BG-13915-00; 6BG-13915-01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eF50\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e2005–2013\u003c\/td\u003e\n\u003ctd\u003e6BG-13915-00; 6BG-13915-01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eF60\u003c\/td\u003e\n\u003ctd\u003e60\u003c\/td\u003e\n\u003ctd\u003e2005–2013\u003c\/td\u003e\n\u003ctd\u003e6BG-13915-00; 6BG-13915-01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eF70\u003c\/td\u003e\n\u003ctd\u003e70\u003c\/td\u003e\n\u003ctd\u003e2010–2013\u003c\/td\u003e\n\u003ctd\u003e6BG-13915-00; 6BG-13915-01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eF75\u003c\/td\u003e\n\u003ctd\u003e75\u003c\/td\u003e\n\u003ctd\u003e2005–2013\u003c\/td\u003e\n\u003ctd\u003e6BG-13915-00; 6BG-13915-01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eF90\u003c\/td\u003e\n\u003ctd\u003e90\u003c\/td\u003e\n\u003ctd\u003e2005–2013\u003c\/td\u003e\n\u003ctd\u003e6BG-13915-00; 6BG-13915-01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eT50\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e2005–2013\u003c\/td\u003e\n\u003ctd\u003e6BG-13915-00; 6BG-13915-01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eT60\u003c\/td\u003e\n\u003ctd\u003e60\u003c\/td\u003e\n\u003ctd\u003e2005–2013\u003c\/td\u003e\n\u003ctd\u003e6BG-13915-00; 6BG-13915-01\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\u003eFuel filter\u003c\/dd\u003e\n\u003cdt\u003eApplication\u003c\/dt\u003e\n\u003cdd\u003eSelected Yamaha outboard fuel systems\u003c\/dd\u003e\n\u003cdt\u003eFuel Type\u003c\/dt\u003e\n\u003cdd\u003eGasoline\u003c\/dd\u003e\n\u003cdt\u003eReplacement References\u003c\/dt\u003e\n\u003cdd\u003e6BG-13915-00 and 6BG-13915-01\u003c\/dd\u003e\n\u003cdt\u003eAftermarket Reference\u003c\/dt\u003e\n\u003cdd\u003e18-79970\u003c\/dd\u003e\n\u003cdt\u003eProduct Configuration\u003c\/dt\u003e\n\u003cdd\u003eSingle replacement filter; not listed as a kit\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 × aftermarket fuel filter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNo additional gaskets, O-rings, hoses or installation hardware are specified as included.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eConfirm the complete engine model, year and original filter reference before beginning work.\u003c\/li\u003e\n\u003cli\u003eDisconnect the battery and allow the engine to cool in a well-ventilated area.\u003c\/li\u003e\n\u003cli\u003eRelieve fuel-system pressure according to the applicable Yamaha service manual.\u003c\/li\u003e\n\u003cli\u003ePlace absorbent towels around the filter and fuel connections to contain spilled fuel.\u003c\/li\u003e\n\u003cli\u003eNote the original fuel-flow direction and connection arrangement before removing the old filter.\u003c\/li\u003e\n\u003cli\u003eDisconnect the fuel lines and remove the old filter using appropriate marine-service tools.\u003c\/li\u003e\n\u003cli\u003eInstall the replacement filter in the same orientation and secure all connections properly.\u003c\/li\u003e\n\u003cli\u003eInspect the lines and connections for damage, then prime the fuel system as specified by the service manual.\u003c\/li\u003e\n\u003cli\u003eBefore starting the engine, check carefully for fuel leaks. Do not operate the engine if a leak is present.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eFollow the engine manufacturer’s service procedures. If you are not qualified to work on a pressurized fuel system, use a trained marine technician.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow can I confirm this filter fits my outboard?\u003c\/summary\u003e\n\u003cp\u003eCompare the complete Yamaha model and year with the compatibility table, then compare the original filter and its reference number. Do not rely on appearance alone. If your model suffix or serial-number range is different from the information shown, confirm fitment with the applicable service documentation before ordering.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat are common signs of a restricted fuel filter?\u003c\/summary\u003e\n\u003cp\u003ePossible symptoms include hard starting, hesitation, loss of power, stalling or poor operation under load. These symptoms can also result from contaminated fuel, a failing fuel pump, damaged fuel lines or other faults, so diagnosis should not be based on the filter alone.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhen should the fuel filter be replaced?\u003c\/summary\u003e\n\u003cp\u003eReplacement timing depends on the engine’s maintenance schedule, fuel quality and operating conditions. Follow the maintenance instructions for your specific Yamaha outboard and replace the filter when required or when contamination or restriction is suspected.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I clean and reuse the old filter?\u003c\/summary\u003e\n\u003cp\u003eA used filter should generally be replaced rather than reused. Cleaning may not remove embedded contamination or restore the filter’s intended performance. Dispose of the old filter according to applicable local regulations.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs this a genuine Yamaha part?\u003c\/summary\u003e\n\u003cp\u003eNo. This listing is for an aftermarket replacement fuel filter. It is referenced against Yamaha part numbers 6BG-13915-00 and 6BG-13915-01, but it is not a genuine Yamaha-branded component.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes the package include a complete fuel-pump or vapor-separator assembly?\u003c\/summary\u003e\n\u003cp\u003eNo. The company product record identifies this item as a single fuel filter, not a complete fuel-pump assembly, vapor-separator tank or installation kit.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat should I do if the filter does not match my original part?\u003c\/summary\u003e\n\u003cp\u003eDo not force the installation or modify the fuel connections. Stop and verify the model, year, part-number reference and fuel-line arrangement before proceeding.\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\u003eFuel is flammable. Work away from flames, sparks and other ignition sources.\u003c\/li\u003e\n\u003cli\u003eRelieve fuel pressure before disconnecting fuel-system components.\u003c\/li\u003e\n\u003cli\u003eUse suitable absorbent materials and clean any spilled fuel immediately.\u003c\/li\u003e\n\u003cli\u003eVerify the complete engine model and year before purchase; the listed fitment is limited to the applications shown.\u003c\/li\u003e\n\u003cli\u003eThis is an aftermarket replacement, not a genuine Yamaha component.\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended when working on pressurized marine fuel systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine Replacement Parts\u003c\/strong\u003e — Practical aftermarket parts for maintenance and repair applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication-Focused Listings\u003c\/strong\u003e — Product information is organized around documented model and year fitment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupport for Correct Selection\u003c\/strong\u003e — Compare your original part and engine details before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723966288187,"sku":"23FF120","price":16.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/6BG-13915-00_2.jpg?v=1763038623"},{"product_id":"thermostat-143-fits-johnson-evinrude-yamaha-outboard-motors-replaces-436195","title":"143°F Thermostat for Johnson\/Evinrude Outboards – Replaces 436195, 0436195","description":"\u003csection\u003e\u003cstyle\u003e\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n  table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n  table.ss-table th, table.ss-table td { padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top; }\n  table.ss-table th { white-space:nowrap; word-break:normal; letter-spacing:normal; font-weight:600; background:#f8fafc; }\n  @media (max-width:480px){ table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; } }\n\u003c\/style\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003e143°F (62°C) marine thermostat\u003c\/strong\u003e is an aftermarket replacement for selected Johnson\/Evinrude outboard cooling systems. It is intended for the applications listed below and replaces the specified original-equipment and aftermarket reference numbers.\u003c\/p\u003e\n\u003cp\u003eThe thermostat is designed to begin opening at approximately 143°F (62°C), helping the engine reach and maintain its intended operating temperature. Confirm the thermostat reference number and the complete engine application before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e143°F (62°C) opening temperature.\u003c\/li\u003e\n  \u003cli\u003eAftermarket replacement thermostat for selected Johnson\/Evinrude outboards.\u003c\/li\u003e\n  \u003cli\u003eApplication coverage includes selected 9.9–15 HP Big Bore, 40\/48\/50 HP, 3-cylinder, and 90° V4 engines.\u003c\/li\u003e\n  \u003cli\u003eThermostat only; no gasket or additional installation hardware is listed as included.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eThe following numbers are reference identifiers associated with this replacement thermostat. Verify the number stamped on your original part or listed in your service information before purchase.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n\u003ctable class=\"ss-table\" aria-label=\"Thermostat Part Number Matrix\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand or Reference\u003c\/th\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOMC \/ Johnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003e436195\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOMC \/ Johnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003e0436195\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003e0777837\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSierra Marine\u003c\/td\u003e\n\u003ctd\u003e18-3561\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMallory Marine\u003c\/td\u003e\n\u003ctd\u003e9-43023\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGLM\u003c\/td\u003e\n\u003ctd\u003e13150\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOMC reference\u003c\/td\u003e\n\u003ctd\u003eBRP8M6010304\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2\u003eEngine Compatibility\u003c\/h2\u003e\n\u003cp\u003eCompany fitment information identifies the following application groups. Because compatibility can vary by model designation and production configuration, match the engine model, year, stroke, and existing thermostat reference whenever possible.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n\u003ctable class=\"ss-table\" aria-label=\"Johnson and Evinrude Engine Compatibility\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eApplication or Engine Group\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eStroke\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eReference\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eBig Bore outboards\u003c\/td\u003e\n\u003ctd\u003e9.9–15 HP\u003c\/td\u003e\n\u003ctd\u003eNot specified in company fitment\u003c\/td\u003e\n\u003ctd\u003e1996–2006\u003c\/td\u003e\n\u003ctd\u003e436195 \/ 0436195\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eOutboard applications\u003c\/td\u003e\n\u003ctd\u003e40, 48, 50 HP\u003c\/td\u003e\n\u003ctd\u003eNot specified in company fitment\u003c\/td\u003e\n\u003ctd\u003e1995–2005\u003c\/td\u003e\n\u003ctd\u003e436195 \/ 0436195\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003e3-cylinder outboards\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003ctd\u003eNot specified in company fitment\u003c\/td\u003e\n\u003ctd\u003e1993–2001\u003c\/td\u003e\n\u003ctd\u003e436195 \/ 0436195\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003e90° V4 outboards\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003ctd\u003eNot specified in company fitment\u003c\/td\u003e\n\u003ctd\u003e1993–2001\u003c\/td\u003e\n\u003ctd\u003e436195 \/ 0436195\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eMarine engine thermostat\u003c\/dd\u003e\n  \u003cdt\u003eProduct Configuration\u003c\/dt\u003e\n\u003cdd\u003eSingle replacement thermostat\u003c\/dd\u003e\n  \u003cdt\u003eOpening Temperature\u003c\/dt\u003e\n\u003cdd\u003e143°F (62°C)\u003c\/dd\u003e\n  \u003cdt\u003eApplication Brand\u003c\/dt\u003e\n\u003cdd\u003eJohnson\/Evinrude outboard applications listed above\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eReplacement installation in the existing thermostat housing\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e1 x\u003c\/span\u003e 143°F marine thermostat\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNot included:\u003c\/strong\u003e A thermostat housing gasket, seals, or other installation hardware are not listed as included. Replace sealing components as required for your engine.\u003c\/p\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eRefer to the engine service information and allow the engine to cool completely before beginning work.\u003c\/li\u003e\n  \u003cli\u003eDisconnect the battery if required by the manufacturer's service procedure.\u003c\/li\u003e\n  \u003cli\u003eLocate the thermostat housing and place a suitable drain pan beneath the work area.\u003c\/li\u003e\n  \u003cli\u003eRemove the housing cover and note the orientation of the original thermostat.\u003c\/li\u003e\n  \u003cli\u003eRemove the old thermostat and clean loose corrosion or gasket material from the mating surfaces without damaging them.\u003c\/li\u003e\n  \u003cli\u003eInstall the replacement thermostat in the same orientation as the original part.\u003c\/li\u003e\n  \u003cli\u003eInstall a suitable new gasket or seal if required for your specific engine. The gasket is not listed as included with this product.\u003c\/li\u003e\n  \u003cli\u003eReinstall the housing cover and tighten the fasteners according to the engine manufacturer's specified procedure and torque.\u003c\/li\u003e\n  \u003cli\u003eRun the engine according to the service procedure and inspect the housing area for leaks while monitoring engine temperature.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eHow do I confirm this thermostat fits my engine?\u003c\/summary\u003e\u003cp\u003eFirst, compare the original thermostat reference with the Part Number Matrix. Then confirm the engine brand, model designation, horsepower, stroke, and production year against the application group shown above. If any of these details differ, consult the engine service information before ordering.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat thermostat temperature does this replacement use?\u003c\/summary\u003e\u003cp\u003eThis thermostat is specified to begin opening at approximately 143°F (62°C).\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat are common signs of a thermostat problem?\u003c\/summary\u003e\u003cp\u003ePossible symptoms include overheating, unusually low operating temperature, slow warm-up, temperature alarms, or inconsistent temperature behavior. These symptoms can also be caused by other cooling-system problems, so inspect the complete system before replacing parts.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes this product include a gasket?\u003c\/summary\u003e\u003cp\u003eNo gasket is listed as included. Check the condition of the thermostat housing gasket or seal and replace it when required for a leak-free installation.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this an OEM thermostat?\u003c\/summary\u003e\u003cp\u003eThis is an aftermarket replacement thermostat. The listed OEM and aftermarket numbers are provided as application references and replacement identifiers; verify fitment for your exact engine before installation.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this a thermostat kit?\u003c\/summary\u003e\u003cp\u003eThis listing is for one replacement thermostat. A gasket and other installation components are not listed as included.\u003c\/p\u003e\u003c\/details\u003e\n\u003ch2\u003eSafety \u0026amp; Important Information\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eWork only on a fully cooled engine and follow the engine manufacturer's service procedures.\u003c\/li\u003e\n  \u003cli\u003eDo not rely on horsepower alone to confirm fitment; model, year, stroke, and engine configuration must also match.\u003c\/li\u003e\n  \u003cli\u003eInspect the cooling system for blockage, corrosion, leaks, and water-pump problems if the engine has experienced overheating.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended when the correct procedure or torque specification is unavailable.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMarine Replacement Parts\u003c\/strong\u003e — Practical replacement components for selected marine applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication-Focused Listings\u003c\/strong\u003e — Reference numbers and fitment details are provided to support correct part selection.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstallation Awareness\u003c\/strong\u003e — Always verify the complete engine application and replace related sealing components when required.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723966353723,"sku":"23TH623","price":20.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/Thermostat_for_BRP_Johnson_Evinrude_143_degree_Outboard_436195__436195_-_JLM_MARINE-8291322.jpg?v=1763038626"}],"url":"https:\/\/seasierra.com\/collections\/yamaha-4-stroke-30-40hp-outboard-marine-engine-parts.oembed","provider":"SeaSierra","version":"1.0","type":"link"}