{"title":"Johnson 2-Stroke 4.5-25HP Marine Engine Parts","description":"\u003csection id=\"hero\" style=\"max-width: 1000px; margin: 0 auto; padding: 16px;\"\u003e\n  \u003cp\u003eThis page is for Johnson 2‑Stroke 4.5–25HP outboard engines. It helps you find compatible parts and key service information, including maintenance tips, common replacement parts, and troubleshooting guidance. You can also browse the main Johnson\/Evinrude\/OMC collection. 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\/johnson-evinrude-omc-outboard-parts\" style=\"display:inline-block; padding:10px 16px; background:#0a6; color:#fff; text-decoration:none; border-radius:4px;\"\u003eBrowse All Johnson\/Evinrude\/OMC Parts\u003c\/a\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"identify-model\" style=\"max-width: 1000px; margin: 0 auto; padding: 16px;\"\u003e\n  \u003ch2\u003eHow to Identify Your 4.5–25HP Model\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eLocate the nameplate\/serial plate on the transom bracket or swivel bracket. Record the full model number and serial number.\u003c\/li\u003e\n    \u003cli\u003eRead the model code suffix: it commonly indicates shaft length (short\/long), manual vs. electric start, and tiller vs. remote control.\u003c\/li\u003e\n    \u003cli\u003eConfirm it is a 2‑stroke model. For mixed fleets, distinguish 2‑stroke vs. 4‑stroke by the presence of an oil reservoir or oil‑injection system (2‑stroke) and by decals\/cowling labels.\u003c\/li\u003e\n    \u003cli\u003eAcross 4.5–25HP, cooling system, propeller, and gearcase parts can vary by year and shaft length—verify by model\/serial before ordering.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"platforms\" style=\"max-width: 1000px; margin: 0 auto; padding: 16px;\"\u003e\n  \u003ch2\u003ePlatform Overview\u003c\/h2\u003e\n\n  \u003ch3\u003eJohnson 4.5–8HP 2‑Stroke Portable\u003c\/h3\u003e\n  \u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eDescription\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eConfiguration\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eSmall‑displacement, carbureted 2‑stroke; portable, typically tiller‑steer and manual start.\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;\"\u003e4.5–8HP 2‑stroke families (confirm exact parts by full model and serial).\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eAdvantages\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eLight weight, simple upkeep, reliable low‑speed maneuvering.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eSome wear parts interchange across 4–8HP, but impeller, propeller, and gearcase items can vary by year and shaft length.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003eJohnson 9.9–15HP 2‑Stroke Twin\u003c\/h3\u003e\n  \u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eDescription\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eConfiguration\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eTwo‑cylinder, carbureted 2‑stroke; manual or electric start; tiller or remote options.\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;\"\u003e9.9HP and 15HP 2‑stroke models (model code and year drive exact parts selection).\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eAdvantages\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eStrong thrust for small craft, broad parts availability.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eCarburetion and jetting differ by HP and year; props and gear ratios may not interchange—confirm by model\/serial.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003eJohnson 20–25HP 2‑Stroke Twin\u003c\/h3\u003e\n  \u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eDescription\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eConfiguration\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eTwo‑cylinder, carbureted 2‑stroke with heavier‑duty gearcase components.\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;\"\u003e20HP and 25HP 2‑stroke models across multiple years; verify exact sub‑model.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eAdvantages\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eGood mid‑range torque and planing performance on small boats.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eWater pump, thermostat, ignition, and propeller specifications vary by year and shaft length—confirm before ordering.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"service-kits\" style=\"max-width: 1000px; margin: 0 auto; padding: 16px;\"\u003e\n  \u003ch2\u003eRoutine Maintenance \u0026amp; Service Parts\u003c\/h2\u003e\n  \u003cp\u003eIntervals below are general guidelines for recreational use. Always follow the official service manual for your exact model and operating conditions.\u003c\/p\u003e\n  \u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eItem\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eInterval*\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eRemarks\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eParts Link\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eGear Oil (Lower Unit)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eEvery season or ~100 hours\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect for water intrusion (milky oil) and metal debris; replace drain plug gaskets as needed.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/johnson-evinrude-omc-outboard-parts\"\u003eJohnson\/Evinrude\/OMC 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;\"\u003e~100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect, clean, and gap; replace if fouled or worn for reliable starting and idle.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/spark-plug\"\u003eSpark plug\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;\"\u003eInspect every 50 hours; replace as needed\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eReplace sooner if fuel contamination or storage issues are suspected.\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;\"\u003eEvery 2–3 seasons (or sooner with weak telltale)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eCritical for cooling, especially in sandy\/silty water. Replace complete kit if housing wear is present.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/johnson-evinrude-omc-water-pump-repair-kits\"\u003eJohnson\/Evinrude\/OMC 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 at ~50% wear\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eMatch anode material to your water type (fresh, brackish, salt).\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/bombardier-anodes\"\u003eJohnson\/Evinrude\/OMC Anodes\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003ePropeller Inspection\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eEvery 50 hours; before\/after season\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eCheck for bent\/damaged blades and fishing line at the seal area; verify correct pitch for load.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/bombardier-propellers\"\u003eJohnson\/Evinrude\/OMC Propellers\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003e2‑Stroke Fuel\/Oil Mix\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eEach refuel\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eUse the mix ratio specified for your model; fresh gasoline and TC‑W3 marine oil are recommended.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/johnson-evinrude-omc-outboard-parts\"\u003eJohnson\/Evinrude\/OMC Outboard Parts\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eLower Unit Seal Kit (if water in oil)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eAs needed after pressure\/vac tests\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eIf oil is milky or leaks are detected, reseal the gearcase to prevent further damage.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/johnson-evinrude-omc-lower-unit-seal-kits\"\u003eJohnson\/Evinrude\/OMC 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=\"max-width: 1000px; margin: 0 auto; padding: 16px;\"\u003e\n  \u003ch2\u003eFrequently Used Parts Categories\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eRoutine Service \u0026amp; Maintenance Kits – \u003ca href=\"https:\/\/seasierra.com\/collections\/bombardier-service-maintenance-kits\"\u003eShop Johnson\/Evinrude\/OMC Service Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCooling System (Water Pump \u0026amp; Impeller Kits) – \u003ca href=\"https:\/\/seasierra.com\/collections\/johnson-evinrude-omc-water-pump-repair-kits\"\u003eShop Water Pump Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eFuel System (Filters) – \u003ca href=\"https:\/\/seasierra.com\/collections\/fuel-filters-1\"\u003eShop Fuel Filters\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eFuel System (Pumps) – \u003ca href=\"https:\/\/seasierra.com\/collections\/fuel-pumps\"\u003eShop Fuel Pumps\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eIgnition \/ Spark Plugs – \u003ca href=\"https:\/\/seasierra.com\/collections\/spark-plug\"\u003eShop Spark Plugs\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003ePropellers \u0026amp; Hardware – \u003ca href=\"https:\/\/seasierra.com\/collections\/bombardier-propellers\"\u003eShop Propellers\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCorrosion Protection (Anodes) – \u003ca href=\"https:\/\/seasierra.com\/collections\/bombardier-anodes\"\u003eShop Anodes\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"troubleshooting\" style=\"max-width: 1000px; margin: 0 auto; padding: 16px;\"\u003e\n  \u003ch2\u003eCommon Symptoms \u0026amp; Quick Checks\u003c\/h2\u003e\n  \u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eSymptom\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eCheck First\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eRelated Parts\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eWeak telltale or overheat alarm\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect intake screen for blockage; verify impeller condition; confirm thermostat operation.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eWater pump kit, impeller, thermostat, intake screen\/grommets\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 for damaged prop, fouled plugs, stale fuel, and restricted fuel filter.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003ePropeller, spark plugs, fuel filter, carburetor gaskets\/cleaning kit\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eHard starting or rough idle\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eVerify choke\/primer function, plug gap, and for air leaks at fuel lines\/bulb.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eSpark plugs, primer bulb, fuel hoses, carb kit\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eExcessive smoke (2‑stroke)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eConfirm correct fuel\/oil mix; check for misfire and thermostat stuck open.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eSpark plugs, thermostat, fuel\/oil mix supplies\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 gear oil; look for water intrusion and damaged seals\/bearings.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eLower unit seals, bearings, drain plug gaskets, gear oil\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=\"max-width: 1000px; margin: 0 auto; padding: 16px;\"\u003e\n  \u003ch2\u003eFAQs\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eAre parts interchangeable between different years or platforms?\u003c\/summary\u003e\n    \u003cp\u003eMany wear items are shared across small Johnson\/Evinrude 2‑stroke models, but cooling, propeller, ignition, and gearcase components can vary by year, shaft length, and exact sub‑model. Always confirm by full model and serial number before purchasing.\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\u003eFor light recreational use, replace the impeller every 2–3 seasons. In sandy\/silty water, or if the telltale is weak or intermittent, service it sooner. A complete kit is recommended if housing wear is present.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should I change the lower unit gear oil?\u003c\/summary\u003e\n    \u003cp\u003eAt least once per season or about every 100 hours. During the change, check for a milky appearance (water) or metal particles; either indicates a need for further inspection and possible reseal.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat information helps confirm part compatibility?\u003c\/summary\u003e\n    \u003cp\u003ePlease provide the full model number, serial number, shaft length (short\/long), and noteworthy features (manual\/electric start, tiller\/remote). Clear photos of the nameplate and the part area are also helpful.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"cta\" style=\"max-width: 1000px; margin: 0 auto; padding: 16px;\"\u003e\n  \u003cp\u003eReady to shop? Browse the main Johnson\/Evinrude\/OMC collection and use “Filter \u0026amp; Sort” to refine by horsepower, year, and model.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/johnson-evinrude-omc-outboard-parts\" style=\"display:inline-block; padding:10px 16px; background:#0a6; color:#fff; text-decoration:none; border-radius:4px;\"\u003eShop Johnson\/Evinrude\/OMC Outboard Parts\u003c\/a\u003e\n  \u003cp style=\"margin-top:8px; color:#555;\"\u003eIf you’re unsure about your model, send us a photo of the nameplate and the part you need and we’ll help verify compatibility.\u003c\/p\u003e\n\u003c\/section\u003e","products":[{"product_id":"fuel-pump-fits-johnson-evinrude-4-5-25-hp-replaces-397839","title":"Fuel Pump – Fits Johnson\/Evinrude 4.5–15 HP 2-Stroke Outboards (Replaces 397839)","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\u003efuel pump\u003c\/strong\u003e is designed for selected Johnson\/Evinrude outboard motors in the 4.5–15 HP range. The documented application is for \u003cstrong\u003e2-stroke outboards manufactured from 1970 through 1992\u003c\/strong\u003e, including selected 6 HP, 8 HP, 9.9 HP, and 15 HP OMC\/BRP Marine applications.\u003c\/p\u003e\n\u003cp\u003eThis pump is supplied as a single replacement fuel-pump assembly. It is intended to replace the applicable original pump when the engine model, year, mounting arrangement, fuel-line connections, and original part number match.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAftermarket replacement for selected Johnson\/Evinrude outboard applications.\u003c\/li\u003e\n  \u003cli\u003eDesigned for 2-stroke outboard fuel systems.\u003c\/li\u003e\n  \u003cli\u003eApplicable power range: 4.5–15 HP, subject to the specific engine model and year.\u003c\/li\u003e\n  \u003cli\u003eSingle fuel-pump assembly; additional installation parts are not specified as included.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number References\u003c\/h2\u003e\n\u003cp\u003eUse the following manufacturer and aftermarket references to compare with the pump being replaced. Part-number references do not replace model-specific fitment verification.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Part Number References\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand or Reference 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\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\u003e397274\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\u003e391638\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eSierra aftermarket reference\u003c\/td\u003e\n\u003ctd\u003e18-7350\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMallory aftermarket reference\u003c\/td\u003e\n\u003ctd\u003e9-35350\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eThe company fitment information identifies this pump for selected OMC\/BRP Marine Johnson\/Evinrude applications. Keep the horsepower, stroke, year, and original part number together when confirming compatibility.\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\u003eApplication\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 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\u003eJohnson\/Evinrude\u003c\/td\u003e\n        \u003ctd\u003eSelected OMC\/BRP Marine outboards\u003c\/td\u003e\n        \u003ctd\u003e4.5–15 HP\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1970–1992\u003c\/td\u003e\n        \u003ctd\u003e397839, 397274, 395091, 391638\u003c\/td\u003e\n        \u003ctd\u003eVerify the specific model and original pump before ordering.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n        \u003ctd\u003eSelected small outboard applications\u003c\/td\u003e\n        \u003ctd\u003e6 HP, 8 HP, 9.9 HP, 15 HP\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1970–1992\u003c\/td\u003e\n        \u003ctd\u003e397839, 397274, 395091, 391638\u003c\/td\u003e\n        \u003ctd\u003eApplication coverage depends on the exact engine model and year.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eNot documented for this product:\u003c\/strong\u003e 4-stroke engines, 20 HP or 25 HP applications, or Mercury-specific applications. Do not use this listing for those applications without separate, model-specific confirmation.\u003c\/p\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\u003eProduct Configuration\u003c\/dt\u003e\n  \u003cdd\u003eSingle replacement fuel-pump assembly\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n  \u003cdd\u003eSelected Johnson\/Evinrude and OMC\/BRP Marine outboards\u003c\/dd\u003e\n  \u003cdt\u003eEngine Type\u003c\/dt\u003e\n  \u003cdd\u003e2-stroke outboards\u003c\/dd\u003e\n  \u003cdt\u003eRated Horsepower\u003c\/dt\u003e\n  \u003cdd\u003e4.5–15 HP, subject to model-specific fitment\u003c\/dd\u003e\n  \u003cdt\u003eDocumented Years\u003c\/dt\u003e\n  \u003cdd\u003e1970–1992\u003c\/dd\u003e\n  \u003cdt\u003eFuel\u003c\/dt\u003e\n  \u003cdd\u003eGasoline outboard fuel systems\u003c\/dd\u003e\n  \u003cdt\u003eReplacement Type\u003c\/dt\u003e\n  \u003cdd\u003eAftermarket replacement\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x Fuel pump assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eGaskets, cable ties, fuel hose, clamps, and other installation hardware are not specified as included. Reuse or purchase installation parts only after confirming the requirements of the specific engine.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eDisconnect the battery, place the engine in a well-ventilated area, and allow the engine to cool.\u003c\/li\u003e\n  \u003cli\u003eShut off the fuel supply and follow the engine manufacturer's procedure for relieving fuel-system pressure.\u003c\/li\u003e\n  \u003cli\u003eIdentify and mark the fuel-line connections before removing the original pump.\u003c\/li\u003e\n  \u003cli\u003eRemove the original pump and inspect the mounting surface, fuel lines, fittings, and mounting hardware.\u003c\/li\u003e\n  \u003cli\u003eCompare the replacement pump with the original part, including mounting points, ports, and hose routing.\u003c\/li\u003e\n  \u003cli\u003eInstall any required gasket or seal specified by the engine service documentation; no gasket is specified as included with this product.\u003c\/li\u003e\n  \u003cli\u003eMount the replacement pump and tighten fasteners according to the engine manufacturer's service specifications.\u003c\/li\u003e\n  \u003cli\u003eReconnect the fuel lines to the correct fittings and secure them properly.\u003c\/li\u003e\n  \u003cli\u003ePrime the fuel system, inspect all connections for leaks, and confirm correct operation before normal use.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; 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\u003eConfirm that your engine is a Johnson\/Evinrude or OMC\/BRP Marine 2-stroke outboard in the documented 4.5–15 HP range and within the 1970–1992 application period. Then compare the original pump, mounting arrangement, fuel-line connections, and reference numbers such as 397839, 397274, 395091, or 391638. Exact model and year verification is recommended before ordering.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs this pump for 2-stroke or 4-stroke engines?\u003c\/summary\u003e\n  \u003cp\u003eThis listing is for documented 2-stroke Johnson\/Evinrude applications. A 4-stroke application is not documented for this product.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eDoes this pump fit 20 HP or 25 HP engines?\u003c\/summary\u003e\n  \u003cp\u003eThe company fitment information documents applications up to 15 HP. Compatibility with 20 HP or 25 HP engines is not established for this product.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs a gasket included?\u003c\/summary\u003e\n  \u003cp\u003eNo gasket is specified as included. Check the engine service documentation and compare the original installation before ordering any required gasket or seal.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat are common signs of a failing outboard fuel pump?\u003c\/summary\u003e\n  \u003cp\u003ePossible symptoms include hard starting, stalling, hesitation, loss of power, surging, or poor operation at higher engine speed. Fuel-line leaks, tank-vent problems, filters, carburetor issues, and ignition faults can cause similar symptoms, so diagnose the complete fuel system before replacing the pump.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs this an OEM part?\u003c\/summary\u003e\n  \u003cp\u003eThis listing is for an aftermarket replacement fuel pump, not an original equipment manufacturer part.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Information\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eWork only in a well-ventilated area away from flames, sparks, and other ignition sources.\u003c\/li\u003e\n  \u003cli\u003eFuel is flammable. Clean spilled fuel immediately and follow all applicable safety procedures.\u003c\/li\u003e\n  \u003cli\u003eVerify the engine model, year, stroke, horsepower, original part number, mounting points, and hose connections before purchase.\u003c\/li\u003e\n  \u003cli\u003eDo not assume compatibility based only on horsepower; model-specific variations may exist.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended when the correct fuel-system procedure or torque specification is unavailable.\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 — Replacement components for selected outboard and marine applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFitment-Focused Listings\u003c\/strong\u003e — Use the documented model, year, horsepower, stroke, and part-number information to select the correct component.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePractical Support\u003c\/strong\u003e — Compare the original component and consult the engine service documentation before installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723971268923,"sku":"24FP097","price":31.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/JLM24FP097-1_c8225628-cf06-4049-8c1e-28aedf9fe799.jpg?v=1763038824"}],"url":"https:\/\/seasierra.com\/collections\/johnson-2-stroke-4-5-25hp-marine-engine-parts.oembed","provider":"SeaSierra","version":"1.0","type":"link"}