{"title":"Mercury 4-5HP 4-Stroke Outboard Marine Engine Parts","description":"\u003csection id=\"hero\" style=\"padding:16px; border:1px solid #e5e7eb; border-radius:8px;\"\u003e\n  \u003cp\u003eThis page is for Mercury 4–5HP 4‑Stroke outboard engines. Use it to find compatible parts and practical service information. Below you’ll find maintenance tips, common replacement parts, and troubleshooting guidance. You can also browse our main Mercury collection at any time. Scroll to the bottom of the page to start browsing parts for this engine, and remember you can use the “Filter \u0026amp; Sort” controls on the collection page to narrow results by horsepower, year range, and part category.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/mercury-outboard-parts\" style=\"display:inline-block; padding:10px 14px; background:#0ea5e9; color:#fff; text-decoration:none; border-radius:6px;\"\u003eBrowse All Mercury Parts\u003c\/a\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"identify-model\" style=\"padding:20px 0;\"\u003e\n  \u003ch2\u003eHow to Identify Your 4–5HP Model\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eFind the serial\/model plate on the transom bracket (usually on the starboard clamp bracket or swivel bracket). Record the full serial number.\u003c\/li\u003e\n    \u003cli\u003eModel codes and suffixes typically indicate shaft length (short\/long), start type (manual\/electric), and tiller\/remote control. Match these details when selecting parts.\u003c\/li\u003e\n    \u003cli\u003eConfirm 4‑Stroke by noting the engine oil fill\/dipstick and 4‑Stroke labeling on the cowl. Two‑stroke engines either premix fuel\/oil or use an oil injection tank.\u003c\/li\u003e\n    \u003cli\u003eMercury 4\/5\/6HP portable four‑strokes share many service parts (cooling and gearcase). Always verify compatibility with your exact serial\/model.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"engine-overview\" style=\"padding:20px 0;\"\u003e\n  \u003ch2\u003ePlatform Overview\u003c\/h2\u003e\n  \u003ch3\u003eMercury 4–5HP Portable 4‑Stroke\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 #e5e7eb; padding:8px;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:8px;\"\u003eDescription\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eConfiguration\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eCompact single‑cylinder, carbureted 4‑stroke, water‑cooled; typically tiller‑steer and manual start with optional long\/short shafts.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eCommon Models\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e4HP and 5HP portable series; many components align with 6HP in the same family (gearcase and cooling parts often interchange).\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eAdvantages\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eLightweight, quiet operation, excellent fuel economy, easy transport and storage; ideal for dinghies, tenders, and trolling.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eMatch parts by serial and model. Carburetor jetting and prop selection affect power output; service items (water pump, anodes, many seals) are commonly shared across 4\/5\/6HP variants.\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:20px 0;\"\u003e\n  \u003ch2\u003eRoutine Maintenance \u0026amp; Service Parts\u003c\/h2\u003e\n  \u003cp\u003eIntervals below are general guidelines for typical recreational use. Always follow your official Mercury service manual for model‑specific procedures and schedules.\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 #e5e7eb; padding:8px;\"\u003eItem\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:8px;\"\u003eInterval*\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:8px;\"\u003eRemarks\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:8px;\"\u003eParts Link\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eEngine oil (and filter if equipped)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eUse marine‑rated 4‑stroke oil (FC‑W). Warm engine before draining; replace crush washer if applicable.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/oil-filters\"\u003eOil Filters\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eGear oil (lower unit)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eChange after break‑in and before winter storage. Check for water intrusion (milky oil) or metal fines.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/mercury-outboard-parts\"\u003eMercury Outboard Parts\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eSpark plugs\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect, clean, and gap to spec; replace if fouled or worn.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/spark-plug\"\u003eSpark Plugs\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eFuel filter \/ inline filter\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e100 hours or as needed\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eReplace more frequently with ethanol fuel or contaminated fuel sources.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/fuel-filters-1\"\u003eFuel Filters\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eWater pump impeller \/ kit\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect annually; replace every 2 seasons (or sooner in sandy\/weedy water)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eLoss of tell‑tale flow or overheat alarms often indicate impeller wear.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/mercury-water-pump-repair-kits\"\u003eMercury Water Pump Repair Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eAnodes (corrosion protection)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect every 50 hours; replace when 50% consumed\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eUse the correct alloy for your water (fresh, brackish, or salt). Keep electrical bonding intact.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/anodes\"\u003eAnodes\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eLower unit seals (as needed)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eOn leak or water intrusion\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eMilky gear oil or oil seepage at seals indicates service is needed.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/mercury-lower-unit-seal-kits\"\u003eMercury Lower Unit Seal Kits\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:20px 0;\"\u003e\n  \u003ch2\u003eFrequently Used Parts Categories\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eRoutine Service: \u003ca href=\"https:\/\/seasierra.com\/collections\/mercury-outboard-parts\"\u003eMercury Outboard Parts\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCooling System: \u003ca href=\"https:\/\/seasierra.com\/collections\/mercury-water-pump-repair-kits\"\u003eMercury Water Pump Repair Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eGearcase \u0026amp; Seals: \u003ca href=\"https:\/\/seasierra.com\/collections\/mercury-lower-unit-seal-kits\"\u003eMercury Lower Unit Seal Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eFuel System: \u003ca href=\"https:\/\/seasierra.com\/collections\/fuel-filters-1\"\u003eFuel Filters\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eIgnition \/ Electrical: \u003ca href=\"https:\/\/seasierra.com\/collections\/spark-plug\"\u003eSpark Plugs\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCorrosion Protection: \u003ca href=\"https:\/\/seasierra.com\/collections\/anodes\"\u003eAnodes\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003ePropellers \u0026amp; Hardware: \u003ca href=\"https:\/\/seasierra.com\/collections\/propellers\"\u003ePropellers\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"troubleshooting\" style=\"padding:20px 0;\"\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 #e5e7eb; padding:8px;\"\u003eSymptom\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:8px;\"\u003eCheck First\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:8px;\"\u003eRelated Parts\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eWeak tell‑tale or overheat alarm\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect intake screen for debris; verify thermostat operation; check impeller condition and housing wear.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eWater pump repair kit, thermostat, intake screen, gaskets\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003ePoor acceleration or power loss\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eCheck prop for damage or wrong pitch; replace fuel filter; confirm venting; inspect spark plug and carburetor cleanliness.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003ePropeller, fuel filter, spark plug, carburetor\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eHard starting \/ rough idle\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eUse fresh fuel; confirm choke\/primer operation; inspect plug gap; check for vacuum leaks at carb\/intake.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eSpark plugs, fuel filter, carburetor, gaskets\/hoses\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eGearcase noise or metal in gear oil\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eDrain and inspect oil; check for milky oil; inspect seals and shift shaft\/prop shaft areas.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eLower unit seal kit, water pump base seals, drain\/fill plug gaskets\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:20px 0;\"\u003e\n  \u003ch2\u003eFAQs\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eAre parts interchangeable between 4HP, 5HP, and 6HP models?\u003c\/summary\u003e\n    \u003cp\u003eMany service parts (water pump components, gearcase seals, and anodes) are shared across the 4\/5\/6HP 4‑stroke family. Carburetor jetting, propeller pitch, and some linkages differ. Always confirm with your exact serial\/model.\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\u003eInspect annually and replace every two seasons under normal use, or sooner if operating in sandy, silty, or weedy water, or any time tell‑tale flow is weak or intermittent.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should I change gear oil?\u003c\/summary\u003e\n    \u003cp\u003eAt least every 100 hours or annually. Change after break‑in and before storage. If the oil looks milky or contains metal, service seals and re‑inspect.\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 Mercury serial number, horsepower, stroke (4‑Stroke), shaft length (short\/long), start type (manual\/electric), and any notable features. Photos of the nameplate and the part you’re replacing are very helpful.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"cta\" style=\"padding:16px; border-top:1px solid #e5e7eb;\"\u003e\n  \u003cp\u003eReady to find parts by horsepower, year, and model? Browse our main Mercury collection to locate components tailored to your engine.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/mercury-outboard-parts\" style=\"display:inline-block; padding:10px 14px; background:#0ea5e9; color:#fff; text-decoration:none; border-radius:6px;\"\u003eShop Mercury Outboard Parts\u003c\/a\u003e\n  \u003cp style=\"margin-top:8px; color:#374151;\"\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":"fuel-filter-fits-mercury-marine-4-85-hp-inline-engines-replaces-1399-3938","title":"Fuel Filter – Fits Mercury Marine 4-85 HP Inline Engines (Replaces 1399-3938)","description":"\u003csection\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003eFuel Filter – Fits Mercury Marine 4-85 HP Inline Engines (Replaces 1399-3938)\u003c\/strong\u003e is designed for a wide range of Mercury Marine 2-stroke and 4-stroke inline engines from 4 HP to 85 HP, covering various years. It is also compatible with select Johnson\/Evinrude models requiring part #0509400.\u003c\/p\u003e\n\u003cp\u003eIt directly replaces Mercury parts 1399-3938, 399-39380, 1754, and 3938, as well as Sierra 18-7832 and Johnson\/Evinrude 0509400.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for inline installation on carbureted engines.\u003c\/li\u003e\n\u003cli\u003eSpecifically engineered for use with side bowl carburetors.\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\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\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003ePart Number\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e1399-3938\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e399-39380\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e1754\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e3938\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eSierra\u003c\/td\u003e\n\u003ctd\u003e18-7832\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003e0509400\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eConfirm your engine model\/year in the table below.\u003c\/p\u003e\n\u003cp\u003eFor Mercury Marine, this filter fits a broad range of 2-stroke models from 4 HP up to 150 HP across various years. Please verify your specific model and OEM part number.\u003c\/p\u003e\n\u003cp\u003eFor Johnson\/Evinrude, compatibility is based on the OEM part number cross-reference (0509400). Specific models are not detailed; please verify your part number before ordering.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Engine \u0026amp; Model Compatibility\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003eModel\u003c\/th\u003e\n        \u003cth\u003eRated HP\u003c\/th\u003e\n        \u003cth\u003eStroke\u003c\/th\u003e\n        \u003cth\u003eYears\u003c\/th\u003e\n        \u003cth\u003eOEM Part No.\u003c\/th\u003e\n        \u003cth\u003eNotes\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e4 (1 CYL. PRODUCT OF USA)\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1980–1986\u003c\/td\u003e\n\u003ctd\u003e1399-3938\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e4.5\u003c\/td\u003e\n\u003ctd\u003e4.5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1975–1986\u003c\/td\u003e\n\u003ctd\u003e1399-3938\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e60\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e1399-3938\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e75\u003c\/td\u003e\n\u003ctd\u003e7.5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e1399-3938\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e110\u003c\/td\u003e\n\u003ctd\u003e9.8\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e1399-3938\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eMARK 10\/10A\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e1399-3938\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eMARK 15A\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e1399-3938\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e200\u003c\/td\u003e\n\u003ctd\u003e20\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e1399-3938\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eMARK 25\/25E\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e1399-3938\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eMARK 28\/28A\/28AD\u003c\/td\u003e\n\u003ctd\u003e28\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e1399-3938\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eMARK 30H\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e1399-3938\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e350\/MARK 35A\u003c\/td\u003e\n\u003ctd\u003e35\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e1399-3938\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e400\/402\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e1399-3938\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e450\u003c\/td\u003e\n\u003ctd\u003e45\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e1399-3938\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e500\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1975–Various\u003c\/td\u003e\n\u003ctd\u003e1399-3938\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eMARK 55\/55E\/55H\/55AE\/55AM\u003c\/td\u003e\n\u003ctd\u003e55\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e1399-3938\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eMARK 58E\/58AE\u003c\/td\u003e\n\u003ctd\u003e58\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e1399-3938\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e600\u003c\/td\u003e\n\u003ctd\u003e60\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e1399-3938\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e650 (3 Cyl\/4 Cyl)\u003c\/td\u003e\n\u003ctd\u003e65\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1967–1975\u003c\/td\u003e\n\u003ctd\u003e1399-3938\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eMARK 75\/75A\/MARK 78\/78A\u003c\/td\u003e\n\u003ctd\u003e75\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e1399-3938\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e700\u003c\/td\u003e\n\u003ctd\u003e70\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e1399-3938\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e800\/800 80\u003c\/td\u003e\n\u003ctd\u003e80\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e1399-3938\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e850\u003c\/td\u003e\n\u003ctd\u003e85\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1975\u003c\/td\u003e\n\u003ctd\u003e1399-3938\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e900\u003c\/td\u003e\n\u003ctd\u003e90\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e1399-3938\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e950\u003c\/td\u003e\n\u003ctd\u003e95\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e1399-3938\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e1000\/1000SS\/1000BP\u003c\/td\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e1399-3938\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e1100\u003c\/td\u003e\n\u003ctd\u003e110\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e1399-3938\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e1150\u003c\/td\u003e\n\u003ctd\u003e115\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1973–1985\u003c\/td\u003e\n\u003ctd\u003e1399-3938\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e1250\/1250BP\u003c\/td\u003e\n\u003ctd\u003e125\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e1399-3938\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e1350\u003c\/td\u003e\n\u003ctd\u003e135\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e1399-3938\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e1400\u003c\/td\u003e\n\u003ctd\u003e140\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e1399-3938\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e1500\u003c\/td\u003e\n\u003ctd\u003e150\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1973–1985\u003c\/td\u003e\n\u003ctd\u003e1399-3938\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e100, 150, 200, 250\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e1399-3938\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e300 350\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e1399-3938\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eVarious Models\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e0509400\u003c\/td\u003e\n\u003ctd\u003eCross-reference provided but specific models not detailed\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\u003eInline Fuel Filter\u003c\/dd\u003e\n\u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eInline, carbureted engines\u003c\/dd\u003e\n\u003cdt\u003eFuel Type\u003c\/dt\u003e\n\u003cdd\u003eGasoline\u003c\/dd\u003e\n\u003cdt\u003eConnection\u003c\/dt\u003e\n\u003cdd\u003eInline\u003c\/dd\u003e\n\u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003e5.56\" H x 1.88\" W x 1.31\" L\u003c\/dd\u003e\n\u003cdt\u003eOther Technical Attributes\u003c\/dt\u003e\n\u003cdd\u003eFor use with side bowl carburetors\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e1\u003c\/span\u003e x Fuel Filter (1399-3938)\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\u003eShut off the fuel supply to the engine and place a suitable container underneath the work area to catch any fuel spillage.\u003c\/li\u003e\n\u003cli\u003eCarefully locate the existing inline fuel filter. Loosen the clamps securing the fuel lines to both ends of the old filter.\u003c\/li\u003e\n\u003cli\u003eGently twist and pull the fuel lines off the filter. Be prepared for a small amount of residual fuel to drain out.\u003c\/li\u003e\n\u003cli\u003eNote the fuel flow direction arrow on the new filter. Install it so the arrow points toward the engine's carburetor.\u003c\/li\u003e\n\u003cli\u003eSlide the fuel lines onto the new filter and securely fasten the clamps. Ensure they are snug to prevent leaks.\u003c\/li\u003e\n\u003cli\u003eTurn the fuel supply back on and prime the engine if necessary. Thoroughly inspect the filter and connections for any signs of leaks before starting the engine.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eHow do I know if this fuel filter will fit my engine?\u003c\/summary\u003e\u003cp\u003eThis filter is designed for a wide array of Mercury inline engines (4-85+ HP) and select Johnson\/Evinrude models. The most reliable way to confirm fitment is to match your existing part number to one of the cross-references: Mercury 1399-3938, Sierra 18-7832, or Johnson\/Evinrude 0509400. Also, check the detailed compatibility table for your specific model.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat are the signs of a clogged or failing fuel filter?\u003c\/summary\u003e\u003cp\u003eCommon symptoms include the engine sputtering or bogging down during acceleration, difficulty starting, rough idling, or a noticeable loss of overall power. In some cases, the engine may stall and refuse to restart. Visual inspection might reveal debris inside the filter if it has a clear housing.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat is the recommended replacement interval for this filter?\u003c\/summary\u003e\u003cp\u003eFor optimal engine health and performance, we recommend replacing your inline fuel filter at least once per season or every 100 hours of operation, whichever comes first. Consult your engine’s service manual for manufacturer-specific recommendations.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this filter for fuel-injected (EFI) or carbureted engines?\u003c\/summary\u003e\u003cp\u003eThis is an inline filter specifically designed for carbureted engines. It is particularly noted for use with systems that have a side bowl carburetor. It is not suitable for high-pressure fuel-injected (EFI\/DFI) systems.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\u003cp\u003eThis listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eShipping speed \u0026amp; cost\u003c\/summary\u003e\u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWarranty \u0026amp; returns\u003c\/summary\u003e\u003cp\u003eCovered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused \u0026amp; in original condition). See our policy page or reach out for instructions.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eVerify images\/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.\u003c\/li\u003e\n\u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended for safety and performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\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":50602603741499,"sku":"1399-3938","price":15.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/1399-3938_4f353e1f-30dc-4dd1-aa81-33532441ddad.jpg?v=1758594959"},{"product_id":"priming-pump-assembly-fits-mercury-marine-2-5-300-hp-replaces-895124","title":"Aftermarket Priming Pump Assembly for Mercury 8 and 9.9 HP 4-Stroke Outboards – OEM 895124","description":"\u003cstyle\u003e\n  \/* Outer container allows horizontal scrolling (with iOS momentum) *\/\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n\n  \/* Base table styles *\/\n  table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n  table.ss-table th, table.ss-table td {\n    padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n  }\n\n  \/* Key: prevent wrapping, word breaks, and vertical text in headers *\/\n  table.ss-table th {\n    white-space:nowrap;\n    word-break:normal;\n    letter-spacing:normal;\n    font-weight:600;\n    background:#f8fafc;\n  }\n\n  \/* Small screen optimization *\/\n  @media (max-width:480px){\n    table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n  }\n\u003c\/style\u003e\n\u003csection\u003e\n  \u003ch2\u003eProduct Details\u003c\/h2\u003e\n  \u003cp\u003eThis \u003cstrong\u003ePriming Pump Assembly\u003c\/strong\u003e is an aftermarket replacement component for manually priming the fuel system on selected Mercury 8 HP and 9.9 HP 4-Stroke outboard engines. The assembly is listed in Mercury parts-catalog applications under OEM part number \u003cstrong\u003e895124\u003c\/strong\u003e.\u003c\/p\u003e\n  \u003cp\u003eUse the model, stroke, and serial-number conditions below to compare your engine with the documented applications before ordering. This listing is for the priming pump assembly only.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eAftermarket replacement for Mercury OEM part number 895124.\u003c\/li\u003e\n    \u003cli\u003eUsed to manually prime the fuel system before starting the engine.\u003c\/li\u003e\n    \u003cli\u003eApplicable to selected Mercury 8 HP and 9.9 HP 4-Stroke outboards.\u003c\/li\u003e\n    \u003cli\u003eVerify the original part number, engine model, and serial number before 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 compare the documented OEM reference for this replacement assembly.\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\u003eReference Type\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury Marine\u003c\/td\u003e\n          \u003ctd\u003e895124\u003c\/td\u003e\n          \u003ctd\u003eOEM 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 documented catalog applications below keep the engine model, horsepower, stroke, and serial-number conditions together. A general horsepower range or model-family match is not sufficient to confirm 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\u003c\/th\u003e\n          \u003cth\u003eRated HP\u003c\/th\u003e\n          \u003cth\u003eStroke\u003c\/th\u003e\n          \u003cth\u003eSerial Number\u003c\/th\u003e\n          \u003cth\u003eOEM Part No.\u003c\/th\u003e\n          \u003cth\u003eNotes\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e8 (4-STROKE) (209cc)\u003c\/td\u003e\n          \u003ctd\u003e8 HP\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e0R042475 and up\u003c\/td\u003e\n          \u003ctd\u003e895124\u003c\/td\u003e\n          \u003ctd\u003eCatalog-listed priming pump assembly; cowling applications include handle models.\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e8 (4-STROKE) (209cc)\u003c\/td\u003e\n          \u003ctd\u003e8 HP\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e0P325500 and up\u003c\/td\u003e\n          \u003ctd\u003e895124\u003c\/td\u003e\n          \u003ctd\u003eCatalog-listed priming pump assembly; cowling applications include handle models.\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e9.9 (4-STROKE) (209cc)\u003c\/td\u003e\n          \u003ctd\u003e9.9 HP\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e0R042475 and up\u003c\/td\u003e\n          \u003ctd\u003e895124\u003c\/td\u003e\n          \u003ctd\u003eCatalog-listed priming pump assembly; cowling applications include handle models.\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e9.9 (4-STROKE) (209cc)\u003c\/td\u003e\n          \u003ctd\u003e9.9 HP\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e0P325500 and up\u003c\/td\u003e\n          \u003ctd\u003e895124\u003c\/td\u003e\n          \u003ctd\u003eCatalog-listed priming pump assembly; cowling applications include handle models.\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\u003ePriming pump assembly\u003c\/dd\u003e\n    \u003cdt\u003eApplication\u003c\/dt\u003e\n    \u003cdd\u003eSelected Mercury 8 HP and 9.9 HP 4-Stroke outboards\u003c\/dd\u003e\n    \u003cdt\u003eOEM Reference\u003c\/dt\u003e\n    \u003cdd\u003eMercury Marine 895124\u003c\/dd\u003e\n    \u003cdt\u003eFuel System Function\u003c\/dt\u003e\n    \u003cdd\u003eManual fuel-system priming before engine startup\u003c\/dd\u003e\n    \u003cdt\u003eProduct Status\u003c\/dt\u003e\n    \u003cdd\u003eAftermarket replacement; not an OEM-manufactured component\u003c\/dd\u003e\n  \u003c\/dl\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e1 x Aftermarket priming pump assembly\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003eFuel lines, mounting hardware, and other engine components are not included unless specifically shown or stated in the product options.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n  \u003cp\u003eAlways consult the engine’s service manual before beginning work. The following steps are a general guide and may vary by engine configuration:\u003c\/p\u003e\n  \u003col\u003e\n    \u003cli\u003eTurn the engine off, allow it to cool, and work in a well-ventilated area away from ignition sources.\u003c\/li\u003e\n    \u003cli\u003eDisconnect the battery or follow the service manual’s starting-system safety procedure, where applicable.\u003c\/li\u003e\n    \u003cli\u003eRelieve fuel-system pressure as specified by the service manual and keep suitable rags available for fuel spillage.\u003c\/li\u003e\n    \u003cli\u003eIdentify the existing priming pump assembly and note the fuel-line routing and flow direction.\u003c\/li\u003e\n    \u003cli\u003eDisconnect the fuel lines from the old assembly using appropriate tools and precautions.\u003c\/li\u003e\n    \u003cli\u003eRemove the mounting hardware, if fitted, and take out the old assembly.\u003c\/li\u003e\n    \u003cli\u003eInstall the replacement assembly in the same orientation and secure it using the original or specified hardware.\u003c\/li\u003e\n    \u003cli\u003eReconnect the fuel lines securely and confirm that their routing is not kinked or strained.\u003c\/li\u003e\n    \u003cli\u003ePrime the fuel system according to the engine service procedure.\u003c\/li\u003e\n    \u003cli\u003eInspect every connection for fuel leakage before starting or operating the engine.\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\u003eHow do I know if my priming pump needs replacing?\u003c\/summary\u003e\n    \u003cp\u003eCommon symptoms can include a primer bulb or pump that will not become firm, visible cracking, fuel leakage, loss of prime, or difficult starting caused by inadequate fuel delivery. Inspect the complete fuel system before replacing the assembly.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs this a direct fit for every Mercury outboard?\u003c\/summary\u003e\n    \u003cp\u003eNo. The documented applications are selected Mercury 8 HP and 9.9 HP 4-Stroke models with the serial-number conditions shown above. Do not use the former broad 2.5–60 HP claim as a fitment guide. Verify that your original assembly or parts catalog references OEM number 895124 and that your model and serial number match.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat is the function of a priming pump?\u003c\/summary\u003e\n    \u003cp\u003eA priming pump is used to move fuel through the fuel system before starting. Operating the primer helps fill the system and supply fuel to the engine when the system has lost prime or the engine has not been operated for some time.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat can cause a primer pump to fail?\u003c\/summary\u003e\n    \u003cp\u003eAge, fuel exposure, ultraviolet exposure, heat, contamination, and repeated flexing can contribute to hardening, cracking, leakage, or loss of pumping action. The fuel lines and connections should also be checked during diagnosis.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs this an OEM component?\u003c\/summary\u003e\n    \u003cp\u003eNo. This listing is for an aftermarket replacement assembly that references Mercury OEM part number 895124. Mercury is a trademark of its respective owner and is used only to identify the documented application.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat should I verify before ordering?\u003c\/summary\u003e\n    \u003cp\u003eCompare the original assembly, OEM reference number, engine model, horsepower, stroke, and complete serial number with the compatibility information above. If any of these details differ, consult the engine parts catalog or a qualified marine technician before ordering.\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 in a ventilated area away from sparks, flames, hot surfaces, and smoking materials.\u003c\/li\u003e\n    \u003cli\u003eRelieve or contain fuel safely and clean any spilled fuel before starting the engine.\u003c\/li\u003e\n    \u003cli\u003eVerify the application against the original part and complete engine serial number; do not rely on horsepower alone.\u003c\/li\u003e\n    \u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n    \u003cli\u003eProfessional installation is recommended when the correct procedure or fuel-system condition is uncertain.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePro-Grade Standards\u003c\/strong\u003e — We supply marine replacement parts selected for practical service applications.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFitment-Focused Support\u003c\/strong\u003e — Product information is organized around documented model, stroke, and serial-number conditions.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eManufacturer-Direct Value\u003c\/strong\u003e — We aim to provide dependable replacement options with clear application information.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50718270783803,"sku":"JFP-3458","price":28.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/JFP-3458.png?v=1762958718"},{"product_id":"fuel-pump-fits-johnson-evinrude-4-5-25hp-mercury-replaces-397839-391638-395091-397274-878965","title":"Fuel Pump Replacement for Select Johnson\/Evinrude 4.5–25 HP Applications – Cross-References 397839, 391638, 395091, 397274 and Mercury 878965","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\u003eoutboard engine fuel pump\u003c\/strong\u003e is intended as a replacement for select Johnson\/Evinrude applications, including listed 4.5 HP, 6 HP, 8 HP, 9.9 HP, 15 HP, 20 HP and 25 HP models. Fitment depends on the exact engine model, year, stroke configuration and original pump, so compare the applicable part number and pump design before ordering.\u003c\/p\u003e\n\u003cp\u003eThe pump is listed as a replacement or cross-reference for Johnson\/Evinrude numbers \u003cstrong\u003e397839\u003c\/strong\u003e, \u003cstrong\u003e391638\u003c\/strong\u003e, \u003cstrong\u003e395091\u003c\/strong\u003e and \u003cstrong\u003e397274\u003c\/strong\u003e, as well as Mercury \u003cstrong\u003e878965\u003c\/strong\u003e. Additional aftermarket references include Sierra 18-7350, Mallory 9-35350, EMP 1399-07350, Redline RL7350 and Quicksilver 8M6010285. These references should be used together with a visual and application check; a number match alone does not confirm every engine configuration.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplacement fuel pump for selected outboard applications.\u003c\/li\u003e\n  \u003cli\u003eDiaphragm-type pump design with barbed fuel-hose connections.\u003c\/li\u003e\n  \u003cli\u003eDesigned for replacement installation where the original pump, mounting pattern and hose connections match.\u003c\/li\u003e\n  \u003cli\u003eAftermarket component; not sold as a genuine OEM part.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse the following references to compare your existing fuel pump and engine documentation before purchase.\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\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003e397839\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003e391638\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003e395091\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003e397274\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e878965\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eSierra\u003c\/td\u003e\n\u003ctd\u003e18-7350\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMallory\u003c\/td\u003e\n\u003ctd\u003e9-35350\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eEMP\u003c\/td\u003e\n\u003ctd\u003e1399-07350\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eRedline\u003c\/td\u003e\n\u003ctd\u003eRL7350\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eQuicksilver\u003c\/td\u003e\n\u003ctd\u003e8M6010285\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine and Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eApplication information for this replacement pump is broad and may vary by exact model and production year. Keep the horsepower, year, stroke and model conditions together when checking fitment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eJohnson\/Evinrude:\u003c\/strong\u003e The listed application range includes selected 4.5 HP, 6 HP, 8 HP, 9.9 HP, 15 HP, 20 HP and 25 HP outboards, with commonly cited model years from 1968 through 1992. The 20 HP and 25 HP applications should be treated as model-specific and verified against the original pump and engine parts information.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMercury:\u003c\/strong\u003e The pump is cross-referenced to Mercury part number 878965, but a complete Mercury model list is not established here. Verify the exact Mercury model, year, mounting arrangement, hose connections and original part number 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\u003cth\u003eFitment Note\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e4.5\u003c\/td\u003e\n\u003ctd\u003eVerify exact configuration\u003c\/td\u003e\n\u003ctd\u003eCommonly listed as 1968–1992\u003c\/td\u003e\n\u003ctd\u003e397839\u003c\/td\u003e\n\u003ctd\u003eConfirm model and original pump.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003eVerify exact configuration\u003c\/td\u003e\n\u003ctd\u003eCommonly listed as 1968–1992\u003c\/td\u003e\n\u003ctd\u003e397839\u003c\/td\u003e\n\u003ctd\u003eConfirm model and original pump.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003eVerify exact configuration\u003c\/td\u003e\n\u003ctd\u003eCommonly listed as 1968–1992\u003c\/td\u003e\n\u003ctd\u003e397839\u003c\/td\u003e\n\u003ctd\u003eConfirm model and original pump.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e9.9\u003c\/td\u003e\n\u003ctd\u003eVerify exact configuration\u003c\/td\u003e\n\u003ctd\u003eCommonly listed as 1968–1992\u003c\/td\u003e\n\u003ctd\u003e397839\u003c\/td\u003e\n\u003ctd\u003eConfirm model and original pump.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003ctd\u003eVerify exact configuration\u003c\/td\u003e\n\u003ctd\u003eCommonly listed as 1968–1992\u003c\/td\u003e\n\u003ctd\u003e397839\u003c\/td\u003e\n\u003ctd\u003eConfirm model and original pump.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e20\u003c\/td\u003e\n\u003ctd\u003eVerify exact configuration\u003c\/td\u003e\n\u003ctd\u003eApplication-specific\u003c\/td\u003e\n\u003ctd\u003e397839\u003c\/td\u003e\n\u003ctd\u003eReported in some application listings; verify carefully.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003eVerify exact configuration\u003c\/td\u003e\n\u003ctd\u003eApplication-specific\u003c\/td\u003e\n\u003ctd\u003e397839\u003c\/td\u003e\n\u003ctd\u003eReported in some application listings; verify carefully.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eVarious\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\u003e878965\u003c\/td\u003e\n\u003ctd\u003eCross-reference only; confirm the exact Mercury application.\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\u003eOutboard engine fuel pump\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n  \u003cdd\u003eReplacement installation for matching applications\u003c\/dd\u003e\n  \u003cdt\u003eFuel Type\u003c\/dt\u003e\n  \u003cdd\u003eGasoline\u003c\/dd\u003e\n  \u003cdt\u003ePump Design\u003c\/dt\u003e\n  \u003cdd\u003eDiaphragm-type fuel pump\u003c\/dd\u003e\n  \u003cdt\u003eConnection\u003c\/dt\u003e\n  \u003cdd\u003eTwo barbed fuel-hose fittings\u003c\/dd\u003e\n  \u003cdt\u003eHousing Construction\u003c\/dt\u003e\n  \u003cdd\u003eMetal base with plastic or composite upper section\u003c\/dd\u003e\n  \u003cdt\u003eHousing Appearance\u003c\/dt\u003e\n  \u003cdd\u003eBlack with metal-colored accents\u003c\/dd\u003e\n  \u003cdt\u003eApproximate Weight\u003c\/dt\u003e\n  \u003cdd\u003e0.25 kg (0.55 lb), where applicable\u003c\/dd\u003e\n  \u003cdt\u003eFitment Requirement\u003c\/dt\u003e\n  \u003cdd\u003eOriginal pump number, mounting holes, hose routing and pump configuration must match.\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 Fuel pump assembly\u003c\/li\u003e\n  \u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e1\u003c\/span\u003e x Mounting gasket, where included with the applicable package\u003c\/li\u003e\n  \u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e2\u003c\/span\u003e x Cable ties, only where included in the applicable aftermarket package\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePackage contents can vary by supplier or package configuration. Confirm the supplied contents before installation, and do not assume that optional accessories are included unless shown or stated with the order.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eDisconnect the battery and observe all fuel-system safety precautions before beginning work.\u003c\/li\u003e\n  \u003cli\u003eLabel the inlet and outlet fuel lines, then disconnect them from the old pump.\u003c\/li\u003e\n  \u003cli\u003eRemove the fasteners and take the old fuel pump off the engine block.\u003c\/li\u003e\n  \u003cli\u003eClean the mounting surface and remove old gasket material without damaging the sealing surface.\u003c\/li\u003e\n  \u003cli\u003eInstall the correct new gasket if one is supplied or specified for the application.\u003c\/li\u003e\n  \u003cli\u003ePosition the replacement pump with the correct orientation and align the mounting holes.\u003c\/li\u003e\n  \u003cli\u003eTighten the mounting fasteners to the engine manufacturer's specified torque.\u003c\/li\u003e\n  \u003cli\u003eReconnect the fuel lines to the correct inlet and outlet fittings and secure them properly.\u003c\/li\u003e\n  \u003cli\u003eReconnect the battery, prime the fuel system according to the service manual and inspect for leaks before starting the engine.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eAlways follow the engine manufacturer's service information. If the mounting pattern, hose routing or pump orientation differs from the original, stop and verify compatibility before installation.\u003c\/p\u003e\n\n\u003ch2\u003eTroubleshooting and FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow do I confirm that this fuel pump fits my engine?\u003c\/summary\u003e\n  \u003cp\u003eCompare the original pump's manufacturer number with the reference list, then verify the exact engine brand, model, year, horsepower, stroke configuration, mounting pattern, hose connections and pump orientation. For Mercury applications, the 878965 cross-reference should not be treated as a complete model list.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat are common signs of a failing fuel pump?\u003c\/summary\u003e\n  \u003cp\u003ePossible symptoms include hard starting, sputtering, stalling, loss of power, inconsistent operation at higher speed and poor fuel delivery. These symptoms can also be caused by blocked filters, damaged fuel lines, carburetor problems or other fuel-system faults, so diagnose the complete system before replacing the pump.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow often should the pump be replaced?\u003c\/summary\u003e\n  \u003cp\u003eThere is no universal replacement interval for this type of pump. Inspect it when fuel delivery problems occur, during fuel-system service or when the pump, gasket or connected hoses show signs of damage, leakage or deterioration.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs a gasket included?\u003c\/summary\u003e\n  \u003cp\u003eA gasket may be included with the applicable package, but package contents can vary. Confirm the product package before installation and use the correct gasket for the engine application.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs this an OEM part?\u003c\/summary\u003e\n  \u003cp\u003eNo. This listing describes an aftermarket replacement fuel pump. The manufacturer and aftermarket reference numbers are provided for comparison and application research; they do not change the component's aftermarket status.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat should I do if the pump does not match my old part?\u003c\/summary\u003e\n  \u003cp\u003eDo not force the installation or modify the pump, gasket or fuel lines. Recheck the engine model and original part number, and contact support before installation if the mounting pattern, connections or orientation differ.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eSafety and Important Information\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eWork in a well-ventilated area away from open flames, sparks and ignition sources.\u003c\/li\u003e\n  \u003cli\u003eRelieve fuel-system pressure where applicable and prevent spilled fuel from contacting hot engine surfaces.\u003c\/li\u003e\n  \u003cli\u003eVerify the images, dimensions, connections and reference numbers against the original pump before ordering.\u003c\/li\u003e\n  \u003cli\u003eDo not rely on horsepower alone to establish fitment; exact model, year, stroke and serial or production conditions may apply.\u003c\/li\u003e\n  \u003cli\u003eThis is an aftermarket replacement, not a genuine OEM component.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended when the correct application or fuel-system procedure is uncertain.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMarine Replacement Parts\u003c\/strong\u003e — We offer replacement components for a range of marine repair applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication-Focused Support\u003c\/strong\u003e — Compare original part numbers and engine details before ordering.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eValue-Oriented Selection\u003c\/strong\u003e — Aftermarket alternatives are presented with applicable reference information to support informed purchasing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50718272258363,"sku":"OE-BF1O-T0MP","price":31.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/OE-BF1O-T0MP.png?v=1762958772"},{"product_id":"carburetor-fits-tohatsu-nissan-4-5-hp-4-stroke-replaces-3r1-03200-1-18-7608","title":"Replacement Carburetor for Tohatsu\/Nissan 4–5 HP 4-Stroke Outboards — Replaces 3R1-03200-1, Sierra 18-7608","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 replacement \u003cstrong\u003ecarburetor assembly\u003c\/strong\u003e is intended for selected Tohatsu and Nissan 4-stroke outboard engines in the 4–5 HP range. It is listed as a replacement for Tohatsu part number \u003cstrong\u003e3R1-03200-1\u003c\/strong\u003e and Sierra reference \u003cstrong\u003e18-7608\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eFitment can vary by model, production year, market and serial-number range. Before ordering, compare the part number on your original carburetor and confirm the complete engine model details against the compatibility information below.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAftermarket replacement carburetor assembly.\u003c\/li\u003e\n  \u003cli\u003eDesigned for direct replacement of the corresponding original assembly when the part-number and engine details match.\u003c\/li\u003e\n  \u003cli\u003eSuitable for gasoline-powered marine outboard applications covered by the confirmed fitment.\u003c\/li\u003e\n  \u003cli\u003eCarburetor assembly only; gasket and other installation hardware are not included unless specifically stated.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eThe references below identify the replacement application. Part-number matching alone does not confirm every model, year or serial-number range.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003ePart Number\u003c\/th\u003e\n        \u003cth\u003eReference Type\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eTohatsu\u003c\/td\u003e\n        \u003ctd\u003e3R1-03200-1\u003c\/td\u003e\n        \u003ctd\u003eOriginal-equipment reference\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eSierra\u003c\/td\u003e\n        \u003ctd\u003e18-7608\u003c\/td\u003e\n        \u003ctd\u003eAftermarket 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\u003eThis replacement is associated with selected Tohatsu and Nissan 4-stroke outboards in the 4–5 HP class. Use the original carburetor number and the engine identification label to confirm fitment before purchase.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Engine and Model Compatibility\"\u003e\n    \u003cthead\u003e\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\u003eStroke\u003c\/th\u003e\n        \u003cth\u003eFitment Condition\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\u003eTohatsu\u003c\/td\u003e\n        \u003ctd\u003eSelected 4–5 HP models\u003c\/td\u003e\n        \u003ctd\u003e4–5 HP\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003eConfirm model, year and serial number\u003c\/td\u003e\n        \u003ctd\u003e3R1-03200-1\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eNissan\u003c\/td\u003e\n        \u003ctd\u003eSelected 4–5 HP models\u003c\/td\u003e\n        \u003ctd\u003e4–5 HP\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003eConfirm model, year and serial number\u003c\/td\u003e\n        \u003ctd\u003e3R1-03200-1\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\u003eCarburetor Assembly\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n  \u003cdd\u003eSelected gasoline outboard engines\u003c\/dd\u003e\n  \u003cdt\u003eEngine Class\u003c\/dt\u003e\n  \u003cdd\u003e4–5 HP\u003c\/dd\u003e\n  \u003cdt\u003eEngine Type\u003c\/dt\u003e\n  \u003cdd\u003e4-Stroke\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n  \u003cdd\u003eDirect replacement when fitment is confirmed\u003c\/dd\u003e\n  \u003cdt\u003eConnection\u003c\/dt\u003e\n  \u003cdd\u003eDirect mount\u003c\/dd\u003e\n  \u003cdt\u003eIncluded Gasket\u003c\/dt\u003e\n  \u003cdd\u003eNot included\u003c\/dd\u003e\n  \u003cdt\u003ePart-Number References\u003c\/dt\u003e\n  \u003cdd\u003eTohatsu 3R1-03200-1; Sierra 18-7608\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 x\u003c\/span\u003e Carburetor assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA mounting gasket, fuel-line components and adjustment tools are not included unless separately specified. Inspect the original hardware and replace worn or damaged sealing components as required.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eReview the engine service information and verify the replacement part number before beginning work.\u003c\/li\u003e\n  \u003cli\u003eTurn off the fuel supply, disconnect the battery if applicable, and work in a well-ventilated area away from ignition sources.\u003c\/li\u003e\n  \u003cli\u003eRemove the air-intake components as required to access the carburetor.\u003c\/li\u003e\n  \u003cli\u003eLabel or photograph the throttle linkage, choke control and fuel-line positions before disconnecting them.\u003c\/li\u003e\n  \u003cli\u003eRemove the original carburetor and discard the old gasket if it is damaged or specified as single-use.\u003c\/li\u003e\n  \u003cli\u003eClean the mounting surfaces and install the replacement using a suitable gasket in good condition.\u003c\/li\u003e\n  \u003cli\u003eReconnect the fuel line, throttle linkage and choke control, then check that each moves freely.\u003c\/li\u003e\n  \u003cli\u003ePrime the fuel system, start the engine in accordance with the manufacturer’s procedure, and inspect carefully for fuel leaks.\u003c\/li\u003e\n  \u003cli\u003eSet idle speed or other adjustments only as specified in the applicable service information.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eHow do I confirm that this carburetor fits my engine?\u003c\/summary\u003e\u003cp\u003eMatch the number on your original carburetor to Tohatsu 3R1-03200-1 or Sierra 18-7608, then confirm the engine brand, model, horsepower, 4-stroke configuration, year and serial-number range. If any of these details differ, obtain confirmation before ordering.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes this listing include a gasket?\u003c\/summary\u003e\u003cp\u003eNo. This listing is for the carburetor assembly only. A gasket may need to be purchased separately unless your existing gasket is approved for reuse and remains undamaged.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWill this carburetor fit a 6 HP outboard?\u003c\/summary\u003e\u003cp\u003eDo not assume compatibility with a 6 HP engine. The listed application is selected 4–5 HP 4-stroke outboards. A 6 HP engine should be treated as unconfirmed unless its exact model and original part number match the replacement application.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat symptoms can indicate a carburetor problem?\u003c\/summary\u003e\u003cp\u003ePossible symptoms include hard starting, unstable idle, stalling, hesitation during acceleration, poor running under load, excessive fuel use and fuel leakage. These symptoms can also result from fuel contamination, ignition faults, restricted fuel delivery or incorrect adjustment.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWill adjustment be required after installation?\u003c\/summary\u003e\u003cp\u003eFollow the applicable engine service procedure. Idle or mixture adjustment may be required, but do not change settings beyond the manufacturer’s specified range.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this an OEM carburetor?\u003c\/summary\u003e\u003cp\u003eNo. This is an aftermarket replacement. It is intended to replace the corresponding original assembly when the part number and engine fitment are confirmed.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow often should a carburetor be replaced?\u003c\/summary\u003e\u003cp\u003eThere is no universal replacement interval. Regular fuel-system maintenance can help prevent deposits and corrosion. Replace the carburetor when cleaning and approved servicing cannot restore proper operation, or when the assembly is damaged or leaking.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat should I do if the part does not match my original?\u003c\/summary\u003e\u003cp\u003eDo not force installation or modify the mounting, linkage or fuel connections. Compare the part number and engine identification details, and contact support before installation if the configuration does not match.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify the original part number and complete engine identification before purchase.\u003c\/li\u003e\n  \u003cli\u003eUse only in the application for which fitment has been confirmed.\u003c\/li\u003e\n  \u003cli\u003eGasoline is flammable. Work in a ventilated area, keep the part away from flames and relieve fuel-system hazards before removal.\u003c\/li\u003e\n  \u003cli\u003eInspect all fuel connections after installation and stop immediately if leakage is observed.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended when you are not familiar with marine fuel systems or carburetor adjustment.\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 replacement components for a range of marine service applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFitment-Focused Listings\u003c\/strong\u003e — Verify the complete engine and part-number details before installation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupport for Installation Questions\u003c\/strong\u003e — Contact support if the replacement does not match the original configuration or application.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723963797819,"sku":"JLM19CA3R1","price":58.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/Carburetor_for_Tohatsu_Nissan_4_5_HP__3R1-03200-1_18-7365_-_JLM_MARINE-8285955_bc95a394-8f8c-4740-b350-35d1b5c2a060.jpg?v=1763038513"},{"product_id":"water-pump-impeller-repair-kit-fits-yamaha-4-5hp-replaces-6f5-w0078-00-6f5-w0078-a0-00","title":"Aftermarket Water Pump Repair Kit Without Housing for Yamaha C40 and CV40 40 HP 2-Stroke Outboards (1990–1997) – Replaces 679-W0078-A1-00 and 6F5-W0078-A0-00","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 aftermarket water pump repair kit is designed for Yamaha C40 and CV40 40 HP 2-stroke outboard motors. It is supplied without the water pump housing and is intended to service the existing pump assembly with replacement sealing, wear, drive, and impeller components.\u003c\/p\u003e\n\u003cp\u003eThe kit is listed for Yamaha CV40 models from 1990 and Yamaha C40 models from 1991–1997. It replaces Yamaha reference numbers 679-W0078-A1-00 and 6F5-W0078-A0-00. Confirm the exact engine model and year before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAftermarket water pump service kit supplied without the pump housing.\u003c\/li\u003e\n  \u003cli\u003eDesigned for Yamaha C40 and CV40 40 HP 2-stroke outboards within the listed application range.\u003c\/li\u003e\n  \u003cli\u003eIncludes an impeller, gaskets, seals, plates, key, fasteners, and related service components listed below.\u003c\/li\u003e\n  \u003cli\u003eUse the existing water pump housing if it is serviceable and compatible with the engine.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse these manufacturer and aftermarket references when comparing the replacement kit with your existing water pump service parts.\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      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha reference\u003c\/td\u003e\n        \u003ctd\u003e679-W0078-A1-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha reference\u003c\/td\u003e\n        \u003ctd\u003e6F5-W0078-A0-00\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eAftermarket reference\u003c\/td\u003e\n        \u003ctd\u003e18-3397\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 kit is intended for the following Yamaha 2-stroke applications. Model, horsepower, stroke, and year conditions should be checked together.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Engine and Model Compatibility\"\u003e\n    \u003cthead\u003e\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\u003eApplicable Year\u003c\/th\u003e\n        \u003cth\u003eReference Numbers\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\u003eCV40\u003c\/td\u003e\n        \u003ctd\u003e40\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1990\u003c\/td\u003e\n        \u003ctd\u003e679-W0078-A1-00 \/ 6F5-W0078-A0-00\u003c\/td\u003e\n        \u003ctd\u003eWithout housing\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eC40\u003c\/td\u003e\n        \u003ctd\u003e40\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1991–1997\u003c\/td\u003e\n        \u003ctd\u003e679-W0078-A1-00 \/ 6F5-W0078-A0-00\u003c\/td\u003e\n        \u003ctd\u003eWithout 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\u003c\/dd\u003e\n  \u003cdt\u003eConfiguration\u003c\/dt\u003e\n  \u003cdd\u003eService kit without water pump housing\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n  \u003cdd\u003eYamaha C40 and CV40 40 HP 2-stroke outboards\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n  \u003cdd\u003eReplacement service components for the existing compatible water pump assembly\u003c\/dd\u003e\n  \u003cdt\u003eImpeller Material\u003c\/dt\u003e\n  \u003cdd\u003eNeoprene rubber\u003c\/dd\u003e\n  \u003cdt\u003eAftermarket Reference\u003c\/dt\u003e\n  \u003cdd\u003e18-3397\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x Water Seal Damper 2 (663-44366-00-00)\u003c\/li\u003e\n  \u003cli\u003e1 x Cartridge Insert (676-44322-00-00)\u003c\/li\u003e\n  \u003cli\u003e1 x Water Pump Impeller (6F5-44352-00-00)\u003c\/li\u003e\n  \u003cli\u003e1 x Water Pump Gasket (676-44315-A1-00)\u003c\/li\u003e\n  \u003cli\u003e1 x Cartridge Outer Plate (676-44323-00-00)\u003c\/li\u003e\n  \u003cli\u003e1 x Cartridge Gasket (676-44324-A1-00)\u003c\/li\u003e\n  \u003cli\u003e1 x Water Pump Gasket (679-44316-A0-00)\u003c\/li\u003e\n  \u003cli\u003e2 x Bolts (97095-08055-00)\u003c\/li\u003e\n  \u003cli\u003e2 x Bolts (97095-08045-00)\u003c\/li\u003e\n  \u003cli\u003e4 x Washers (92990-08600-00)\u003c\/li\u003e\n  \u003cli\u003e1 x Woodruff Key (90280-04M00-00)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e The kit is supplied without the water pump housing. The existing housing must be reused only if it is compatible, undamaged, and within serviceable condition.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003ePlace the outboard in a stable service position, disconnect the battery if applicable, and shift into neutral. Remove the lower unit according to the engine service procedure.\u003c\/li\u003e\n  \u003cli\u003eRemove the existing water pump housing from the driveshaft. This product does not include a replacement housing.\u003c\/li\u003e\n  \u003cli\u003eRemove the old impeller, woodruff key, plates, gaskets, seals, and related service parts. Note the orientation of each component before removal.\u003c\/li\u003e\n  \u003cli\u003eClean the mating surfaces of the existing pump housing and pump base. Remove old gasket material, corrosion, and debris without damaging the sealing surfaces.\u003c\/li\u003e\n  \u003cli\u003eInspect the existing housing, pump base, driveshaft, and keyway. Replace any damaged component before installing the service kit.\u003c\/li\u003e\n  \u003cli\u003eInstall the new water seal damper, cartridge insert, gaskets, plates, and other service components in the correct order for the engine.\u003c\/li\u003e\n  \u003cli\u003eInstall the new woodruff key in the driveshaft keyway.\u003c\/li\u003e\n  \u003cli\u003eApply a light coat of marine grease or a soap-and-water solution to the new impeller. Slide it over the key and rotate it in the correct direction so the vanes are not damaged.\u003c\/li\u003e\n  \u003cli\u003eFit the existing compatible housing over the impeller and driveshaft. Install the supplied fasteners and tighten them according to the engine manufacturer’s service specifications.\u003c\/li\u003e\n  \u003cli\u003eReinstall the lower unit and test the engine in water. Confirm a strong, 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\u003csummary\u003eWhich engines does this water pump repair kit fit?\u003c\/summary\u003e\u003cp\u003eThe company application specifies Yamaha CV40 40 HP 2-stroke models from 1990 and Yamaha C40 40 HP 2-stroke models from 1991–1997. Verify the exact model and year on your engine before ordering.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes the kit include the water pump housing?\u003c\/summary\u003e\u003cp\u003eNo. This is a service kit supplied without the water pump housing. You must reuse a compatible existing housing or obtain a housing separately.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat reference numbers does this kit replace?\u003c\/summary\u003e\u003cp\u003eThe listed Yamaha reference numbers are 679-W0078-A1-00 and 6F5-W0078-A0-00. The aftermarket reference associated with the kit is 18-3397.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I install only the impeller?\u003c\/summary\u003e\u003cp\u003eThe kit is intended to service the water pump as a set. Replace the included gaskets, seals, key, plates, and other service components as needed for a complete repair rather than automatically reusing worn or compressed sealing parts.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow do I know if the existing housing can be reused?\u003c\/summary\u003e\u003cp\u003eInspect it for scoring, cracks, corrosion, distortion, and damage around the sealing and impeller surfaces. Do not reuse a housing that cannot provide a smooth, properly sealed pump assembly.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhen should the impeller be replaced?\u003c\/summary\u003e\u003cp\u003eInspect the impeller during scheduled maintenance and whenever the cooling-water stream is weak or intermittent, the engine overheats, or the pump has been exposed to abrasive sand or silt. Follow the engine manufacturer’s maintenance schedule where available.\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 service kit designed for the listed Yamaha applications. Yamaha reference numbers are provided for identification and cross-reference only.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eConfirm the complete engine model, horsepower, stroke, and year range before purchase.\u003c\/li\u003e\n  \u003cli\u003eConfirm that your existing water pump housing is compatible and serviceable; the housing is not included.\u003c\/li\u003e\n  \u003cli\u003eDo not operate the engine without an adequate cooling-water supply.\u003c\/li\u003e\n  \u003cli\u003eFollow the engine service manual for lower-unit removal, installation sequence, fastener torque, and testing procedures.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended if you are not experienced with outboard lower-unit or water-pump service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\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 references and fitment conditions are provided to help you compare your engine before ordering.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService Support\u003c\/strong\u003e — Review the listed model, year, stroke, and included components carefully before installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723968975163,"sku":"22KY013","price":31.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/Water_Pump_Impeller_Kit_for_Yamaha_4_5HP_6F5-W0078_-_JLM_MARINE-8288841.jpg?v=1763038739"},{"product_id":"water-pump-impeller-kit-fits-yamaha-4-5hp-replaces-6e0-w0078-a2-00","title":"Water Pump Repair Kit with Housing – Fits Yamaha 4HP\/5HP 2-Stroke and F4 4-Stroke Outboards","description":"\u003csection\u003e\n\u003cstyle\u003e\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n  table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n  table.ss-table th, table.ss-table td {\n    padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n  }\n  table.ss-table th {\n    white-space:nowrap; word-break:normal; letter-spacing:normal;\n    font-weight:600; background:#f8fafc;\n  }\n  @media (max-width:480px){\n    table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n  }\n\u003c\/style\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis water pump repair kit with housing is intended for servicing the cooling-water pump on selected Yamaha outboard motors. It is listed for Yamaha 4HP and 5HP 2-stroke applications from 1982–2023 and Yamaha F4 4-stroke applications from 1982–2008.\u003c\/p\u003e\n\u003cp\u003eThe kit is identified as a water pump service or repair kit with a pump housing. It is supplied for water pump maintenance and replacement and should be matched to the exact engine model, year, stroke, and applicable part number before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWater pump repair kit supplied with a water pump housing.\u003c\/li\u003e\n  \u003cli\u003eDesigned for water pump service on selected Yamaha 4HP and 5HP outboards.\u003c\/li\u003e\n  \u003cli\u003eAlso listed for selected Yamaha F4 4-stroke outboards.\u003c\/li\u003e\n  \u003cli\u003eUse the part-number and compatibility information below to confirm fitment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eThe following Yamaha references are associated with this water pump repair kit. Part-number association does not replace checking the complete engine application.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Yamaha part number references\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003ePart Number\u003c\/th\u003e\n        \u003cth\u003eReference Type\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\u003e6E0-W0078-00-00\u003c\/td\u003e\n\u003ctd\u003eListed replacement reference\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e6E0-W0078-01-00\u003c\/td\u003e\n\u003ctd\u003eListed replacement reference\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e6E0-W0078-02-00\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\u003e6E0-W0078-A2-00\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\u003e68D-WG078-00-00\u003c\/td\u003e\n\u003ctd\u003eListed F4 4-stroke repair-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 and Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eFitment depends on the complete engine configuration. Confirm the model designation, production year, horsepower, stroke, and existing water pump part number before purchase. The company fitment information lists the following application ranges:\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Compatible Yamaha engine applications\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003eApplication\u003c\/th\u003e\n        \u003cth\u003eRated HP\u003c\/th\u003e\n        \u003cth\u003eStroke\u003c\/th\u003e\n        \u003cth\u003eListed Years\u003c\/th\u003e\n        \u003cth\u003eRelated Part Numbers\u003c\/th\u003e\n        \u003cth\u003eFitment 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\u003eSelected 4HP and 5HP outboards\u003c\/td\u003e\n        \u003ctd\u003e4, 5\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1982–1996\u003c\/td\u003e\n        \u003ctd\u003e6E0-W0078-00-00\u003cbr\u003e6E0-W0078-01-00\u003cbr\u003e6E0-W0078-02-00\u003cbr\u003e6E0-W0078-A2-00\u003c\/td\u003e\n        \u003ctd\u003eConfirm the exact engine model before ordering.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eSelected 4HP and 5HP outboards\u003c\/td\u003e\n        \u003ctd\u003e4, 5\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1997–2023\u003c\/td\u003e\n        \u003ctd\u003e6E0-W0078-00-00\u003cbr\u003e6E0-W0078-01-00\u003cbr\u003e6E0-W0078-02-00\u003cbr\u003e6E0-W0078-A2-00\u003c\/td\u003e\n        \u003ctd\u003eLater-year fitment remains model-specific; verify the engine identification label.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n        \u003ctd\u003eF4 outboards\u003c\/td\u003e\n        \u003ctd\u003e4\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1982–2008\u003c\/td\u003e\n        \u003ctd\u003e68D-WG078-00-00\u003cbr\u003e6E0-W0078-00-00\u003cbr\u003e6E0-W0078-01-00\u003cbr\u003e6E0-W0078-02-00\u003c\/td\u003e\n        \u003ctd\u003eVerify the exact F4 model and water pump reference.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eCatalog-listed examples\u003c\/h3\u003e\n\u003cp\u003eParts-catalog occurrences associate the 6E0-W0078 repair-kit references with selected Yamaha 4HP and 5HP 2-stroke models, including 4LK, 4LN, 4SK, 4SN, 5LK, 5LN, 5SK, and 5SN applications in the catalog records reviewed. The 6E0-W0078-A2-00 and 6E0-W0078-A3-00 references also appear with selected 1996–2002 4HP and 5HP 2-stroke models. The 68D-WG078-00-00 reference appears with selected Yamaha F4 4-stroke models from 2002–2009 in the catalog records reviewed. These examples are not an exhaustive fitment list and do not override the company-listed application ranges.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\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\u003eSelected Yamaha 4HP and 5HP 2-stroke outboards and Yamaha F4 4-stroke outboards\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n  \u003cdd\u003eWater pump service or replacement installation\u003c\/dd\u003e\n  \u003cdt\u003eFitment Verification\u003c\/dt\u003e\n  \u003cdd\u003eMatch the engine model, year, horsepower, stroke, and water pump part number before installation\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x Water pump repair kit with housing\u003c\/li\u003e\n  \u003cli\u003eService components intended for the listed water pump application\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eComponent details and hardware configuration can vary by application. Compare the supplied parts with the original water pump assembly before beginning installation. Do not assume that a component listed for one engine application fits every engine in the horsepower range.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eConfirm the engine model, year, horsepower, stroke, and existing water pump reference before starting work.\u003c\/li\u003e\n  \u003cli\u003eDisconnect the battery or follow the engine manufacturer's required safety procedure, and place the outboard in a stable service position.\u003c\/li\u003e\n  \u003cli\u003eRemove the lower unit according to the manufacturer's service instructions.\u003c\/li\u003e\n  \u003cli\u003eRemove the existing water pump housing and related service components. Note the orientation of the impeller and the position of any key, pin, plate, gasket, or seal before removal.\u003c\/li\u003e\n  \u003cli\u003eClean the mating surfaces and inspect the driveshaft, keyway, water tube, and surrounding components for wear, corrosion, or damage.\u003c\/li\u003e\n  \u003cli\u003eCompare the new housing and service components with the original parts before assembly.\u003c\/li\u003e\n  \u003cli\u003eInstall the repair-kit components in the correct order and orient the impeller vanes according to the manufacturer's procedure.\u003c\/li\u003e\n  \u003cli\u003eUse only suitable lubricant or assembly products recommended for the water pump components. Do not run the impeller dry.\u003c\/li\u003e\n  \u003cli\u003eReinstall the lower unit and tighten fasteners to the manufacturer's specified torque and sequence.\u003c\/li\u003e\n  \u003cli\u003eTest the outboard using an appropriate water supply or flush attachment. Confirm a steady cooling-water discharge and check for leaks before normal operation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting and FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow can I confirm this kit fits my motor?\u003c\/summary\u003e\n  \u003cp\u003eCheck the complete engine model and year, rated horsepower, stroke, and existing water pump part number. The 4HP, 5HP, and F4 application ranges are not universal across every model or production year.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat are common symptoms of a worn water pump?\u003c\/summary\u003e\n  \u003cp\u003eA weak or missing tell-tale stream, overheating, an overheating warning, or reduced cooling performance can indicate a worn impeller or another water-pump or cooling-system problem. Stop operation and diagnose the cause before continued use.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eDoes this product include the water pump housing?\u003c\/summary\u003e\n  \u003cp\u003eYes. The company product description identifies this item as a water pump service or repair kit with housing.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs this a complete lower-unit assembly?\u003c\/summary\u003e\n  \u003cp\u003eNo. This is a water pump repair kit with housing for servicing the water pump. It is not a complete lower unit or a complete gearcase assembly.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eCan I install it without checking the original part?\u003c\/summary\u003e\n  \u003cp\u003eNo. Compare the original water pump assembly, part number, mounting arrangement, and engine identification before installation. Related part numbers can apply to different model, year, or stroke conditions.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow often should a water pump be serviced?\u003c\/summary\u003e\n  \u003cp\u003eService intervals depend on the engine manufacturer's maintenance schedule and operating conditions. Inspection or replacement may be needed sooner when the outboard is used in sandy, silty, salty, or debris-filled water.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eSafety and Important Information\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify the exact engine model, year, horsepower, stroke, and part number before ordering.\u003c\/li\u003e\n  \u003cli\u003eDo not treat a general horsepower match as confirmation of fitment.\u003c\/li\u003e\n  \u003cli\u003eInspect all supplied and reused components before assembly.\u003c\/li\u003e\n  \u003cli\u003eNever operate an outboard without an adequate water supply to the cooling system.\u003c\/li\u003e\n  \u003cli\u003eFollow the manufacturer's service procedures and torque specifications; professional installation is recommended when required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMarine Replacement Parts\u003c\/strong\u003e — Practical service components for routine outboard maintenance and repair.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication-Focused Listings\u003c\/strong\u003e — Product references and fitment ranges are provided to help you compare your engine before ordering.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupport for Maintenance Work\u003c\/strong\u003e — Review the engine identification and original component details whenever application-specific fitment is required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723969007931,"sku":"17KY004","price":35.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/Water_Pump_Impeller_Kit_for_Yamaha_4HP_5HP___6E0-W0078-A2-00_6E0-W0078-02-00_6E0-W0078-01-00_6E0-W0078-00-00_-_JLM_MARINE-8286392.jpg?v=1763038741"},{"product_id":"water-pump-impeller-kit-fits-yamaha-4hp-5hp-replaces-6e0-w0078-a2-00","title":"Water Pump Repair Kit – Yamaha 4 HP \u0026 5 HP 2-Stroke Outboards (Selected 1984–2002 Models)","description":"\u003csection\u003e\n\u003cstyle\u003e\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n  table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n  table.ss-table th, table.ss-table td { padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top; }\n  table.ss-table th { white-space:nowrap; word-break:normal; letter-spacing:normal; font-weight:600; background:#f8fafc; }\n  @media (max-width:480px){ table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; } }\n\u003c\/style\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis aftermarket \u003cstrong\u003ewater pump repair kit\u003c\/strong\u003e is designed for selected Yamaha 4 HP and 5 HP 2-stroke outboards. It is listed in engine parts catalogs as a water pump repair kit for specific Yamaha models and model years from 1984 through 2002. Confirm the exact model, year, and existing water pump part number before ordering.\u003c\/p\u003e\n\u003cp\u003eThe kit is associated with Yamaha water pump repair kit references including \u003cstrong\u003e6E0-W0078-02-00\u003c\/strong\u003e for selected 1984–1985 models, \u003cstrong\u003e6E0-W0078-A2-00\u003c\/strong\u003e for selected 1996 models, and \u003cstrong\u003e6E0-W0078-A3-00\u003c\/strong\u003e for selected 1997–2002 models. These references apply only to the model and year combinations shown below; a shared part number does not confirm fitment for every 4 HP or 5 HP outboard.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReplacement water pump repair kit for selected Yamaha 4 HP and 5 HP 2-stroke outboards.\u003c\/li\u003e\n\u003cli\u003eDesigned for water pump service and restoration of proper cooling-water circulation.\u003c\/li\u003e\n\u003cli\u003eUse the existing parts and the engine service information to confirm installation orientation and required hardware.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eThe following references are documented for the specific Yamaha applications listed in the compatibility table. They should not be treated as universal equivalents outside those applications.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n\u003ctable class=\"ss-table\" aria-label=\"Part Number Cross-Reference\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eWater Pump Repair Kit Reference\u003c\/th\u003e\n\u003cth\u003eDocumented Application Scope\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e6E0-W0078-02-00\u003c\/td\u003e\n\u003ctd\u003eSelected 1984–1985 Yamaha 4 HP and 5 HP 2-stroke models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e6E0-W0078-A2-00\u003c\/td\u003e\n\u003ctd\u003eSelected 1996 Yamaha 4 HP and 5 HP 2-stroke models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e6E0-W0078-A3-00\u003c\/td\u003e\n\u003ctd\u003eSelected 1997–2002 Yamaha 4 HP and 5 HP 2-stroke models\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eFitment is limited to the documented Yamaha 2-stroke applications below. Model suffixes, year, and stroke must all match. Always compare the part number on the original water pump kit with the applicable reference before purchase.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n\u003ctable class=\"ss-table\" aria-label=\"Yamaha Engine Compatibility\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel Examples\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eStroke\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eApplicable Reference\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e4LK, 4LN, 4SK, 4SN\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1984–1985\u003c\/td\u003e\n\u003ctd\u003e6E0-W0078-02-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e5LK, 5LN, 5SK, 5SN\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1984–1985\u003c\/td\u003e\n\u003ctd\u003e6E0-W0078-02-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e4MLHU, 4MLHU2, 4MSHU, 4MSHU2\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1996\u003c\/td\u003e\n\u003ctd\u003e6E0-W0078-A2-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e5MLHU, 5MLHU2, 5MSHU, 5MSHU2\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1996\u003c\/td\u003e\n\u003ctd\u003e6E0-W0078-A2-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e4MLHV, 4MSHV, 4MLHW, 4MSHW, 4MLHX, 4MSHX\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1997–1999\u003c\/td\u003e\n\u003ctd\u003e6E0-W0078-A3-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e5MLHV, 5MSHV, 5MLHW, 5MSHW, 5MLHX, 5MSHX\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1997–1999\u003c\/td\u003e\n\u003ctd\u003e6E0-W0078-A3-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e5MLHY, 5MSHY, 5MSHKZ, 5MSHZ, 5MSHA\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2000–2002\u003c\/td\u003e\n\u003ctd\u003e6E0-W0078-A3-00\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:\u003c\/strong\u003e Yamaha 4-stroke F4 models and Mariner models are not included in the verified application scope for this listing. Do not use the kit for those engines unless the exact engine catalog and part number independently confirm compatibility.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\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\u003eSelected Yamaha 4 HP and 5 HP 2-stroke outboards\u003c\/dd\u003e\n\u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eReplacement water pump service component\u003c\/dd\u003e\n\u003cdt\u003eAftermarket Status\u003c\/dt\u003e\n\u003cdd\u003eAftermarket replacement; not manufactured by Yamaha\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cp\u003eThis listing is supplied as a water pump repair kit. The kit is intended to replace the water pump service components shown in the product imagery and associated application listing. Component configuration may vary by production batch; compare the supplied parts with the original assembly before installation.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWater pump repair components for the applicable Yamaha lower unit\u003c\/li\u003e\n\u003cli\u003eImpeller and related water pump service components as applicable to the kit configuration\u003c\/li\u003e\n\u003cli\u003eGaskets, seals, plates, insert, dowel pin, and fasteners where included in the illustrated kit configuration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDo not assume that every component listed for a Yamaha OEM assembly is included unless it is visible in the package or specifically identified by the seller.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eDisconnect the spark plug wire and secure the engine against accidental starting. Follow the service manual for your exact model.\u003c\/li\u003e\n\u003cli\u003eRemove the lower unit according to the engine manufacturer's procedure, taking care not to damage the shift shaft, driveshaft, or water tube.\u003c\/li\u003e\n\u003cli\u003eRemove the existing water pump components and note the orientation of the impeller vanes, gasket, plate, and water pump housing.\u003c\/li\u003e\n\u003cli\u003eClean all mating surfaces and inspect the driveshaft, keyway, water tube, and lower-unit sealing surfaces before assembly.\u003c\/li\u003e\n\u003cli\u003eInstall the replacement gasket, plate, impeller, key or dowel, and housing components in the same arrangement as the original assembly and service-manual diagram.\u003c\/li\u003e\n\u003cli\u003eRotate the driveshaft in the specified direction while seating the impeller so the vanes fold correctly inside the housing.\u003c\/li\u003e\n\u003cli\u003eInstall and tighten the water pump fasteners to the torque specification for the exact engine model.\u003c\/li\u003e\n\u003cli\u003eReinstall the lower unit, confirming correct alignment of the driveshaft, shift shaft, and water tube.\u003c\/li\u003e\n\u003cli\u003eRun the engine in an appropriate test tank or in the water and confirm a strong, continuous cooling-water discharge before normal operation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eMaintenance \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I know if the water pump needs service?\u003c\/summary\u003e\n\u003cp\u003eCommon warning signs include weak or absent cooling-water discharge, overheating, an engine temperature alarm, or an impeller that is cracked, brittle, deformed, or damaged. Inspect the complete water pump assembly if cooling performance changes.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWill this kit fit every Yamaha 4 HP or 5 HP outboard?\u003c\/summary\u003e\n\u003cp\u003eNo. Fitment is limited to the Yamaha 2-stroke model and year combinations documented in the compatibility table. Horsepower alone is not sufficient to confirm fitment because water pump designs and part references can vary by model suffix and year.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes this kit fit Yamaha F4 four-stroke engines?\u003c\/summary\u003e\n\u003cp\u003eFour-stroke F4 fitment is not confirmed for this listing. Use the exact four-stroke engine model and serial information to identify the correct water pump kit.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes this kit fit Mariner 4 HP or 5 HP outboards?\u003c\/summary\u003e\n\u003cp\u003eMariner fitment is not confirmed for this listing. Do not order based only on horsepower or a similar-looking engine; verify the exact Mariner model, year, serial range, and water pump reference first.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs this an OEM Yamaha part?\u003c\/summary\u003e\n\u003cp\u003eNo. This is an aftermarket replacement water pump repair kit. Yamaha and the listed Yamaha part references are used only to identify the documented application and replacement reference.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow often should the impeller be replaced?\u003c\/summary\u003e\n\u003cp\u003eInspect the impeller and water pump during scheduled service and replace them when wear, cracking, hardening, deformation, or reduced cooling-water flow is found. Operating conditions such as saltwater, sand, or silt may require more frequent inspection.\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, stroke, and part number before ordering.\u003c\/li\u003e\n\u003cli\u003eDo not rely on horsepower alone to determine compatibility.\u003c\/li\u003e\n\u003cli\u003eUse the service manual for the exact engine when removing or installing the lower unit and water pump.\u003c\/li\u003e\n\u003cli\u003eDo not operate the engine if the cooling-water discharge is weak or absent.\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended when lower-unit or water-pump service procedures are unfamiliar.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eReplacement marine parts for routine maintenance and repair.\u003c\/li\u003e\n\u003cli\u003eApplication-focused listings with model and part-number information where available.\u003c\/li\u003e\n\u003cli\u003eSupport for selecting replacement components based on the engine's exact specifications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723969073467,"sku":"SIE-17KY001","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/SIE-17KY001_1_274adcd4-c65d-448d-94be-b008ef3a723e.jpg?v=1763038745"}],"url":"https:\/\/seasierra.com\/collections\/mercury-4-5hp-4-stroke-outboard-marine-engine-parts.oembed","provider":"SeaSierra","version":"1.0","type":"link"}