{"title":"Johnson 2-Stroke 35-55HP Outboard Marine Engine Parts","description":"\u003csection id=\"hero\" style=\"padding:16px; border:1px solid #e5e7eb; border-radius:8px;\"\u003e\n  \u003cp\u003e\n    This page is dedicated to Johnson 2-Stroke 35–55HP outboard engines. Use it to find compatible parts and service information, including routine maintenance tips, commonly replaced components, and troubleshooting guidance. You can also browse the main Johnson\/Evinrude\/OMC parts collection. Scroll to the bottom of this page to start browsing parts for this engine, and remember that on the collection page you can use the Filter \u0026amp; Sort controls to narrow results by horsepower, year range, and part category\/section.\n  \u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/johnson-evinrude-omc-outboard-parts\" style=\"display:inline-block; padding:10px 16px; background:#0f766e; color:#fff; text-decoration:none; border-radius:6px;\"\u003eBrowse All Johnson Parts\u003c\/a\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"identify-model\" style=\"margin-top:28px;\"\u003e\n  \u003ch2\u003eHow to Identify Your 35–55HP Model\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eLocate the nameplate\/serial plate on the transom bracket or swivel bracket. It lists the model number and serial number.\u003c\/li\u003e\n    \u003cli\u003eDecode the model suffix for details like shaft length (S\/L\/XL), control type (tiller\/remote), and starting (manual\/electric). This helps confirm parts fit.\u003c\/li\u003e\n    \u003cli\u003eThese 2‑stroke models may use premix (50:1) or oil injection (VRO\/OMS). Verify which system your engine uses before ordering service parts.\u003c\/li\u003e\n    \u003cli\u003eSome 35–50HP units are inline‑2; certain 50–55HP variants may be inline‑3. Spark plug count and cylinder layout can help confirm the platform.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"engine-overview\" style=\"margin-top:28px;\"\u003e\n  \u003ch2\u003ePlatform Overview\u003c\/h2\u003e\n  \u003ch3\u003eInline‑2 Carbureted 2‑Stroke (35–50HP)\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;\"\u003eInline‑2, carbureted 2‑stroke; manual or electric start; tiller or remote control.\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;\"\u003eTypical 35\/40\/50HP 2‑cylinder Johnson models from various year ranges.\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 maintenance, strong low‑to‑midrange torque.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eVerify VRO\/OMS vs premix; many service parts (plugs, impeller kits, anodes) are shared across years but confirm via model number.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch3 style=\"margin-top:18px;\"\u003eInline‑3 Carbureted 2‑Stroke (50–55HP variants)\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;\"\u003eInline‑3, carbureted 2‑stroke; typically electric start with remote control 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;\"\u003eSelect 50–55HP Johnson models in certain years\/platforms.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eAdvantages\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eSmooth idle for a small 2‑stroke, good midrange punch.\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 ignition, carb, and water‑pump parts differ from 2‑cyl versions—confirm with model code and serial.\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=\"margin-top:28px;\"\u003e\n  \u003ch2\u003eRoutine Maintenance \u0026amp; Service Parts\u003c\/h2\u003e\n  \u003cp\u003eIntervals below are general guidelines for Johnson 2‑stroke 35–55HP engines. Always follow the procedures and intervals specified in your official service manual.\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;\"\u003eGear oil (lower unit)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eEvery 100 hrs or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect for milkiness\/metal; replace seals if water intrusion is present.\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;\"\u003e100 hrs or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eGap to spec; replace fouled plugs sooner.\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)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e100 hrs or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eUse ethanol‑rated filter; replace if restricted.\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;\"\u003eFuel pump diaphragm\/assembly\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eEvery 2–3 years\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eAging diaphragms cause lean conditions and hard starting.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/fuel-pumps\"\u003eFuel Pumps\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;\"\u003e100 hrs or every 1–2 seasons\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eReplace yearly in sandy\/silty or shallow use.\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 (zinc\/aluminum\/magnesium)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect every 50 hrs; replace at ~50% loss\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eMatch material to salt\/brackish\/fresh water.\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;\"\u003eOil injection (VRO\/OMS) inspection\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eAnnually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eVerify pump health, lines, and alarms; if deleted, premix 50:1.\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 (as needed)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eWhen water or metal is found in gear oil\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eReseal and pressure\/vacuum test after service.\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  \u003cp style=\"font-size:12px; color:#374151; margin-top:8px;\"\u003e*Whichever comes first. Severe use, extreme temperatures, or storage conditions may require shorter intervals.\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"common-parts\" style=\"margin-top:28px;\"\u003e\n  \u003ch2\u003eFrequently Used Parts Categories\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eRoutine Service: \u003ca href=\"https:\/\/seasierra.com\/collections\/bombardier-service-maintenance-kits\"\u003eJohnson\/Evinrude\/OMC Service \u0026amp; Maintenance Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCooling System: \u003ca href=\"https:\/\/seasierra.com\/collections\/johnson-evinrude-omc-water-pump-repair-kits\"\u003eJohnson\/Evinrude\/OMC Water Pump Repair Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eFuel System: \u003ca href=\"https:\/\/seasierra.com\/collections\/fuel-filters-1\"\u003eFuel Filters\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eIgnition \/ Electrical: \u003ca href=\"https:\/\/seasierra.com\/collections\/electrical-items\"\u003eElectrical Items\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003ePropellers \u0026amp; Hardware: \u003ca href=\"https:\/\/seasierra.com\/collections\/bombardier-propellers\"\u003eJohnson\/Evinrude\/OMC Propellers\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eGearcase \/ Seals: \u003ca href=\"https:\/\/seasierra.com\/collections\/johnson-evinrude-omc-lower-unit-seal-kits\"\u003eLower Unit Seal Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCorrosion Protection: \u003ca href=\"https:\/\/seasierra.com\/collections\/bombardier-anodes\"\u003eJohnson\/Evinrude\/OMC Anodes\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"troubleshooting\" style=\"margin-top:28px;\"\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;\"\u003eIntake screens for debris, tell‑tale hose for blockage, impeller age, thermostat stuck.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eWater pump repair kit, thermostat, intake screen\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;\"\u003eProp damage\/pitch, fuel filter restriction, primer bulb, compression test, carb synchronization.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003ePropeller, fuel filter, fuel pump\/diaphragm, carburetor kit, spark plugs\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;\"\u003eChoke\/enricher function, air leaks in fuel lines, plug condition\/gap, idle mixture.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eSpark plugs, fuel pump diaphragm, fuel hose\/primer bulb, carburetor 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;\"\u003eFuel\/oil ratio, stuck thermostat (cold running), oil injection calibration.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eSpark plugs, carburetor kit, thermostat, VRO\/OMS service parts\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eGearcase noise or metal in oil\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eOil level\/condition, leak at seals, prop shaft runout, water intrusion.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eLower unit seal kit, bearings, 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=\"margin-top:28px;\"\u003e\n  \u003ch2\u003eFAQs\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eAre parts interchangeable between different years or platforms?\u003c\/summary\u003e\n    \u003cp\u003eSome maintenance items interchange across many years, but ignition, carburetion, and gearcase components can vary by platform (inline‑2 vs inline‑3), shaft length, and control type. Always verify using the full model number and serial.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhen should I replace the impeller?\u003c\/summary\u003e\n    \u003cp\u003eAs a rule, every 100 hours or 1–2 seasons—annually if you run in sandy or silty water, see a weak tell‑tale, or after any overheat event.\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 every 100 hours. Inspect the drained oil for milkiness or metal. If water is present, address seals and pressure‑test the gearcase.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat information do you need to confirm part compatibility?\u003c\/summary\u003e\n    \u003cp\u003ePlease provide the model number, serial number, horsepower, year (if known), shaft length, and whether the engine uses premix or oil injection (VRO\/OMS). Photos of the nameplate and the part to replace also help.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"cta\" style=\"margin-top:28px; padding:16px; border:1px solid #e5e7eb; border-radius:8px;\"\u003e\n  \u003cp\u003eReady to find parts by horsepower, year, and model? Browse the main Johnson\/Evinrude\/OMC collection to view compatible components for your 35–55HP outboard.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/johnson-evinrude-omc-outboard-parts\" style=\"display:inline-block; margin-top:8px; padding:10px 16px; background:#0f766e; color:#fff; text-decoration:none; border-radius:6px;\"\u003eShop Johnson\/Evinrude\/OMC Parts\u003c\/a\u003e\n  \u003cp style=\"margin-top:8px; font-size:12px; color:#374151;\"\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":"water-pump-impeller-fits-johnson-evinrude-35-55-hp-replaces-377230-777213","title":"Water Pump Impeller Kit Without Outer Plate for Johnson\/Evinrude 35–40 HP 2-Stroke Outboards – Replaces 777213","description":"\u003cstyle\u003e\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n  table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n  table.ss-table th, table.ss-table td {\n    padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n  }\n  table.ss-table th {\n    white-space:nowrap; word-break:normal; letter-spacing:normal; font-weight:600; background:#f8fafc;\n  }\n  @media (max-width:480px){\n    table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n  }\n\u003c\/style\u003e\n\u003csection\u003e\n  \u003ch2\u003eProduct Details\u003c\/h2\u003e\n  \u003cp\u003eThis \u003cstrong\u003ewater pump impeller kit without outer plate\u003c\/strong\u003e is a replacement cooling-system component for select Johnson and Evinrude 2-stroke outboard engines. It is listed for 35 HP models with a thermostat from 1958–1959, 40 HP models from 1960–1966, and select 40 HP electric-shift and manual-shift models from 1967–1970.\u003c\/p\u003e\n  \u003cp\u003eThe impeller is identified for OEM reference number \u003cstrong\u003e777213\u003c\/strong\u003e and is also cross-referenced by marine aftermarket catalogs as a replacement for Johnson\/Evinrude\/OMC reference numbers \u003cstrong\u003e377230\u003c\/strong\u003e and \u003cstrong\u003e777213\u003c\/strong\u003e. Always compare the existing impeller, pump housing, shaft dimensions, and engine model before ordering.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eReplacement water pump impeller kit for select Johnson and Evinrude 2-stroke outboards.\u003c\/li\u003e\n    \u003cli\u003eApplication-specific fitment for 35 HP and 40 HP models listed below.\u003c\/li\u003e\n    \u003cli\u003eKit configuration does not include the outer plate.\u003c\/li\u003e\n    \u003cli\u003eDesigned to restore water-pump circulation when the original impeller is worn or damaged.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n  \u003cp\u003eUse these manufacturer and aftermarket references together with your engine model and existing part for identification. Reference numbers 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 Matrix\"\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n          \u003cth\u003eBrand or Source\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\u003eJohnson\/Evinrude\/OMC\u003c\/td\u003e\n          \u003ctd\u003e777213 \/ 0777213\u003c\/td\u003e\n          \u003ctd\u003eOEM reference\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eJohnson\/Evinrude\/OMC\u003c\/td\u003e\n          \u003ctd\u003e377230 \/ 0377230\u003c\/td\u003e\n          \u003ctd\u003eOEM reference appearing in cross-reference catalogs\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eSierra Marine\u003c\/td\u003e\n          \u003ctd\u003e18-3083\u003c\/td\u003e\n          \u003ctd\u003eAftermarket cross-reference\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMallory Marine\u003c\/td\u003e\n          \u003ctd\u003e9-45209\u003c\/td\u003e\n          \u003ctd\u003eAftermarket cross-reference\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eGLM Marine\u003c\/td\u003e\n          \u003ctd\u003e89660\u003c\/td\u003e\n          \u003ctd\u003eAftermarket cross-reference\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eCEF Marine\u003c\/td\u003e\n          \u003ctd\u003e500352\u003c\/td\u003e\n          \u003ctd\u003eAftermarket cross-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\u003eFitment depends on horsepower, year, shift configuration, thermostat configuration, and water-pump design. Confirm all conditions before installation.\u003c\/p\u003e\n  \u003cdiv class=\"ss-table-wrap\"\u003e\n    \u003ctable class=\"ss-table\" aria-label=\"Engine and Model Compatibility\"\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n          \u003cth\u003eBrand\u003c\/th\u003e\n          \u003cth\u003eRated HP\u003c\/th\u003e\n          \u003cth\u003eStroke\u003c\/th\u003e\n          \u003cth\u003eYears\u003c\/th\u003e\n          \u003cth\u003eConfiguration\u003c\/th\u003e\n          \u003cth\u003eOEM Reference\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eJohnson\u003c\/td\u003e\n          \u003ctd\u003e35 HP\u003c\/td\u003e\n          \u003ctd\u003e2-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1958–1959\u003c\/td\u003e\n          \u003ctd\u003eWith thermostat\u003c\/td\u003e\n          \u003ctd\u003e777213\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eEvinrude\u003c\/td\u003e\n          \u003ctd\u003e35 HP\u003c\/td\u003e\n          \u003ctd\u003e2-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1958–1959\u003c\/td\u003e\n          \u003ctd\u003eWith thermostat\u003c\/td\u003e\n          \u003ctd\u003e777213\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eJohnson\u003c\/td\u003e\n          \u003ctd\u003e40 HP\u003c\/td\u003e\n          \u003ctd\u003e2-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1960–1966\u003c\/td\u003e\n          \u003ctd\u003eModel-specific application\u003c\/td\u003e\n          \u003ctd\u003e777213\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eEvinrude\u003c\/td\u003e\n          \u003ctd\u003e40 HP\u003c\/td\u003e\n          \u003ctd\u003e2-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1960–1966\u003c\/td\u003e\n          \u003ctd\u003eModel-specific application\u003c\/td\u003e\n          \u003ctd\u003e777213\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eJohnson\u003c\/td\u003e\n          \u003ctd\u003e40 HP\u003c\/td\u003e\n          \u003ctd\u003e2-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1967–1970\u003c\/td\u003e\n          \u003ctd\u003eElectric shift\u003c\/td\u003e\n          \u003ctd\u003e777213\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eEvinrude\u003c\/td\u003e\n          \u003ctd\u003e40 HP\u003c\/td\u003e\n          \u003ctd\u003e2-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1967–1970\u003c\/td\u003e\n          \u003ctd\u003eElectric shift\u003c\/td\u003e\n          \u003ctd\u003e777213\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eJohnson\u003c\/td\u003e\n          \u003ctd\u003e40 HP\u003c\/td\u003e\n          \u003ctd\u003e2-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1967–1970\u003c\/td\u003e\n          \u003ctd\u003eManual shift\u003c\/td\u003e\n          \u003ctd\u003e777213\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eEvinrude\u003c\/td\u003e\n          \u003ctd\u003e40 HP\u003c\/td\u003e\n          \u003ctd\u003e2-Stroke\u003c\/td\u003e\n          \u003ctd\u003e1967–1970\u003c\/td\u003e\n          \u003ctd\u003eManual shift\u003c\/td\u003e\n          \u003ctd\u003e777213\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n  \u003cdl\u003e\n    \u003cdt\u003eProduct Type\u003c\/dt\u003e\n    \u003cdd\u003eWater pump impeller kit\u003c\/dd\u003e\n    \u003cdt\u003eApplication\u003c\/dt\u003e\n    \u003cdd\u003eSelected Johnson and Evinrude 2-stroke outboards\u003c\/dd\u003e\n    \u003cdt\u003eKit Configuration\u003c\/dt\u003e\n    \u003cdd\u003eWithout outer plate\u003c\/dd\u003e\n    \u003cdt\u003eOEM Reference\u003c\/dt\u003e\n    \u003cdd\u003e777213\u003c\/dd\u003e\n    \u003cdt\u003eImpeller Outside Diameter\u003c\/dt\u003e\n    \u003cdd\u003eApproximately 2.750 in (69.85 mm)\u003c\/dd\u003e\n    \u003cdt\u003eImpeller Inside Diameter\u003c\/dt\u003e\n    \u003cdd\u003eApproximately 0.625 in (15.88 mm)\u003c\/dd\u003e\n    \u003cdt\u003eInstallation\u003c\/dt\u003e\n    \u003cdd\u003eReplacement water-pump component; confirm pump housing and shaft dimensions 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\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e1\u003c\/span\u003e x Water pump impeller kit\u003c\/li\u003e\n    \u003cli\u003eOuter plate not included\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n  \u003col\u003e\n    \u003cli\u003eDisconnect the battery and follow the outboard manufacturer's safety procedures.\u003c\/li\u003e\n    \u003cli\u003eRemove the lower unit or gearcase according to the service manual for your exact engine.\u003c\/li\u003e\n    \u003cli\u003eRemove the water-pump housing and inspect the housing, wear plate, keyway, seals, and related components.\u003c\/li\u003e\n    \u003cli\u003eRemove the old impeller and check the drive-key arrangement before fitting the replacement.\u003c\/li\u003e\n    \u003cli\u003eInstall the replacement impeller with the blades oriented in the direction of shaft rotation.\u003c\/li\u003e\n    \u003cli\u003eBecause this kit does not include the outer plate, reuse only a serviceable plate that matches the correct pump design; replace damaged or excessively worn parts as required.\u003c\/li\u003e\n    \u003cli\u003eReassemble the water-pump housing and lower unit using the correct torque specifications from the engine service manual.\u003c\/li\u003e\n    \u003cli\u003eRun the engine in water or with an appropriate flushing device and verify a steady cooling-water tell-tale stream before normal operation.\u003c\/li\u003e\n  \u003c\/ol\u003e\n\n  \u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow do I know if this impeller kit fits my Johnson or Evinrude engine?\u003c\/summary\u003e\n    \u003cp\u003eConfirm that your outboard is a listed 2-stroke 35 HP model with a thermostat from 1958–1959, or a listed 40 HP model from 1960–1966 or 1967–1970 with the correct electric-shift or manual-shift configuration. Also compare the existing OEM reference and the impeller dimensions. Horsepower alone is not sufficient to confirm fitment.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eDoes the kit include the outer plate?\u003c\/summary\u003e\n    \u003cp\u003eNo. The company product specification identifies this configuration as a water pump impeller kit without the outer plate. Inspect the existing plate and replace it separately if it is scored, warped, or excessively worn.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat are the signs of a failing water-pump impeller?\u003c\/summary\u003e\n    \u003cp\u003eCommon signs include a weak or missing tell-tale stream, overheating warnings, rising operating temperature, or visible cracks, stiffness, deformation, or missing blades on the old impeller.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should I replace the impeller?\u003c\/summary\u003e\n    \u003cp\u003eReplacement intervals depend on operating hours, storage conditions, water quality, and the manufacturer's maintenance schedule. Inspect the impeller regularly and replace it when it shows wear, hardening, cracking, or loss of blade shape.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs this an OEM component?\u003c\/summary\u003e\n    \u003cp\u003eThis is an aftermarket replacement part. The listed OEM numbers are provided for identification and cross-reference purposes only. Johnson, Evinrude, OMC, Sierra, Mallory, GLM, and CEF are trademarks of their respective owners.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow fast is shipping?\u003c\/summary\u003e\n    \u003cp\u003eStandard delivery is typically estimated at 5–15 days, depending on destination and carrier service. Available shipping options and delivery estimates are shown at checkout.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat is the warranty and return policy?\u003c\/summary\u003e\n    \u003cp\u003eThis product is covered by the seller's applicable warranty against manufacturing defects under normal use. Returns are subject to the current return policy and condition requirements. Contact support with your order details for assistance.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eVerify the exact engine model, year, shift configuration, thermostat configuration, OEM reference, and dimensions before purchase.\u003c\/li\u003e\n    \u003cli\u003eDo not rely on horsepower alone; similar engines may use different water-pump components.\u003c\/li\u003e\n    \u003cli\u003eThe outer plate is not included in this kit.\u003c\/li\u003e\n    \u003cli\u003eUse the manufacturer's service manual for lower-unit removal, torque values, and final testing procedures.\u003c\/li\u003e\n    \u003cli\u003eProfessional installation is recommended if you are not familiar with outboard lower-unit and 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 replacement components for common outboard maintenance and repair applications.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eApplication-Focused Listings\u003c\/strong\u003e — Product references and fitment details are provided to support accurate part identification.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCustomer Support\u003c\/strong\u003e — Contact our team with your engine model and existing part details when additional application assistance is needed.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723967303995,"sku":"17IO003K","price":20.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/Water_Pump_Impeller_for_Johnson_Evinrude_35_40_50_55_HP_377230_777213_-_JLM_MARINE-8288440.jpg?v=1763038676"},{"product_id":"water-pump-impeller-fits-johnson-evinrude-35-55-hp-replaces-377230-777213-777821","title":"Water Pump Impeller for Evinrude\/Johnson OMC 35–55 HP Outboards – Cross-References 377230, 777213, 777821","description":"\u003cstyle\u003e\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n  table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n  table.ss-table th, table.ss-table td { padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top; }\n  table.ss-table th { white-space:nowrap; word-break:normal; letter-spacing:normal; font-weight:600; background:#f8fafc; }\n  @media (max-width:480px){ table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; } }\n\u003c\/style\u003e\n\u003csection\u003e\n  \u003ch2\u003eProduct Details\u003c\/h2\u003e\n  \u003cp\u003eThis aftermarket \u003cstrong\u003ewater pump impeller\u003c\/strong\u003e is listed for Evinrude, Johnson, and OMC outboards in the 35–55 HP range. The company fitment record covers 35 HP models from 1958–1959, 40 HP models from 1960–1970, and 50 HP and 55 HP models from 1971–1978.\u003c\/p\u003e\n  \u003cp\u003eUse the original impeller, engine model, year, and water-pump dimensions to confirm compatibility before ordering. This listing is for one impeller only; it is not a complete water-pump kit.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eAftermarket replacement water-pump impeller.\u003c\/li\u003e\n    \u003cli\u003eDesigned for the cooling-system water pump in listed Evinrude, Johnson, and OMC applications.\u003c\/li\u003e\n    \u003cli\u003eReference dimensions: approximately 2.750 in outside diameter and 0.625 in inside diameter.\u003c\/li\u003e\n    \u003cli\u003eWater-pump key is not included; confirm whether the original key is serviceable or order the required key separately.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n  \u003cp\u003eThe following manufacturer and aftermarket numbers are cataloged as reference numbers for this impeller. Number formats may include leading zeros.\u003c\/p\u003e\n  \u003cdiv class=\"ss-table-wrap\"\u003e\n    \u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n      \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand or source\u003c\/th\u003e\n\u003cth\u003eReference number\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\/OMC\u003c\/td\u003e\n\u003ctd\u003e377230\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\/OMC\u003c\/td\u003e\n\u003ctd\u003e777213\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\/OMC\u003c\/td\u003e\n\u003ctd\u003e777821\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eSierra\u003c\/td\u003e\n\u003ctd\u003e18-3083\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMallory\u003c\/td\u003e\n\u003ctd\u003e9-45209\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\u003eCompatibility is organized by horsepower and model year. Because the available fitment record does not identify every individual model designation or serial-number range, compare your engine identification and original impeller before installation.\u003c\/p\u003e\n  \u003cdiv class=\"ss-table-wrap\"\u003e\n    \u003ctable class=\"ss-table\" aria-label=\"Engine and Model Compatibility\"\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel coverage\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eReference number\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003ctd\u003eEvinrude \/ Johnson \/ OMC\u003c\/td\u003e\n\u003ctd\u003eVarious models\u003c\/td\u003e\n\u003ctd\u003e35\u003c\/td\u003e\n\u003ctd\u003e1958–1959\u003c\/td\u003e\n\u003ctd\u003e377230, 777213, 777821\u003c\/td\u003e\n\u003ctd\u003eConfirm the exact model and water-pump dimensions.\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eEvinrude \/ Johnson \/ OMC\u003c\/td\u003e\n\u003ctd\u003eVarious models\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e1960–1970\u003c\/td\u003e\n\u003ctd\u003e377230, 777213, 777821\u003c\/td\u003e\n\u003ctd\u003eConfirm the exact model and water-pump dimensions.\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eEvinrude \/ Johnson \/ OMC\u003c\/td\u003e\n\u003ctd\u003eVarious models\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e1971–1978\u003c\/td\u003e\n\u003ctd\u003e377230, 777213, 777821\u003c\/td\u003e\n\u003ctd\u003eConfirm the exact model and water-pump dimensions.\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eEvinrude \/ Johnson \/ OMC\u003c\/td\u003e\n\u003ctd\u003eVarious models\u003c\/td\u003e\n\u003ctd\u003e55\u003c\/td\u003e\n\u003ctd\u003e1971–1978\u003c\/td\u003e\n\u003ctd\u003e377230, 777213, 777821\u003c\/td\u003e\n\u003ctd\u003eConfirm the exact model and water-pump dimensions.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n  \u003cdl\u003e\n    \u003cdt\u003eProduct type\u003c\/dt\u003e\n    \u003cdd\u003eWater pump impeller\u003c\/dd\u003e\n    \u003cdt\u003eConstruction\u003c\/dt\u003e\n    \u003cdd\u003eRubber impeller with a drive hub\u003c\/dd\u003e\n    \u003cdt\u003eApproximate outside diameter\u003c\/dt\u003e\n    \u003cdd\u003e2.750 in (69.85 mm)\u003c\/dd\u003e\n    \u003cdt\u003eApproximate inside diameter\u003c\/dt\u003e\n    \u003cdd\u003e0.625 in (15.88 mm)\u003c\/dd\u003e\n    \u003cdt\u003eApplication\u003c\/dt\u003e\n    \u003cdd\u003eEvinrude, Johnson, and OMC outboard water-pump applications listed above\u003c\/dd\u003e\n    \u003cdt\u003eInstallation\u003c\/dt\u003e\n    \u003cdd\u003eReplacement in the water-pump housing after confirming the original part and dimensions\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 x\u003c\/span\u003e Water pump impeller\u003c\/li\u003e\n    \u003cli\u003eWater-pump key not included\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n  \u003col\u003e\n    \u003cli\u003eDisconnect the battery and follow the engine manufacturer's service procedure.\u003c\/li\u003e\n    \u003cli\u003eRemove the lower unit or water-pump housing as required for your specific engine.\u003c\/li\u003e\n    \u003cli\u003eRemove the old impeller and inspect the housing, wear plate, drive key, and driveshaft for wear or damage.\u003c\/li\u003e\n    \u003cli\u003eClean the pump housing and confirm that the replacement impeller matches the original diameter and hub configuration.\u003c\/li\u003e\n    \u003cli\u003eInstall the drive key if required and position the impeller on the driveshaft.\u003c\/li\u003e\n    \u003cli\u003eLubricate the impeller with a suitable water-based or marine-safe lubricant recommended for impeller installation. Do not install it dry.\u003c\/li\u003e\n    \u003cli\u003eRefit the pump housing, setting the vanes in the correct direction as the driveshaft is turned in its normal rotation.\u003c\/li\u003e\n    \u003cli\u003eReassemble the lower unit and all removed components according to the engine service instructions.\u003c\/li\u003e\n    \u003cli\u003eTest the cooling-water flow using an adequate water supply before operating the outboard.\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 confirm fitment for my engine?\u003c\/summary\u003e\n    \u003cp\u003eMatch the manufacturer, horsepower, model year, and original impeller reference number. Also compare the approximately 2.750 in outside diameter and 0.625 in inside diameter. If your model or serial-number range is not clearly identified, consult the engine service manual before ordering.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eDoes this listing include the water-pump key?\u003c\/summary\u003e\n    \u003cp\u003eNo. This listing contains one impeller only. The key is not included, so inspect the existing key and replace it separately if it is worn or damaged.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat are common signs of a worn impeller?\u003c\/summary\u003e\n    \u003cp\u003eCommon signs include weak cooling-water flow, overheating, or an intermittent tell-tale stream. A damaged impeller can also leave rubber fragments in the cooling system. Stop operation if the engine overheats and inspect the cooling system.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should an impeller be replaced?\u003c\/summary\u003e\n    \u003cp\u003eReplacement timing depends on engine use, storage conditions, and the manufacturer's maintenance schedule. Inspect the impeller regularly and replace it if the vanes are cracked, hardened, deformed, missing, or show signs of wear.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eCan I run the outboard without water?\u003c\/summary\u003e\n    \u003cp\u003eNo. Never run an outboard dry. Use the correct flush attachment with a reliable water supply or test the engine in the water. Dry operation can damage the impeller within seconds.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs this an OEM part?\u003c\/summary\u003e\n    \u003cp\u003eNo. This is an aftermarket replacement impeller. The listed manufacturer and aftermarket numbers are reference numbers used to help compare the original application.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eSafety \u0026amp; Important Information\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eVerify the exact engine model, year, original part number, and dimensions before ordering.\u003c\/li\u003e\n    \u003cli\u003eDo not rely on horsepower alone to determine compatibility.\u003c\/li\u003e\n    \u003cli\u003eFollow the engine manufacturer's service instructions and use appropriate safety procedures.\u003c\/li\u003e\n    \u003cli\u003eDo not operate the engine without an adequate water supply.\u003c\/li\u003e\n    \u003cli\u003eProfessional installation is recommended when the lower unit or cooling system is unfamiliar.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMarine replacement parts\u003c\/strong\u003e — Practical replacement components for common marine-service applications.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eApplication-focused listings\u003c\/strong\u003e — Fitment information is presented by brand, horsepower, and model year where available.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eValue-oriented solutions\u003c\/strong\u003e — Aftermarket alternatives for routine marine maintenance and repair.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723967631675,"sku":"17IO003","price":17.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/Water_Pump_Impeller_for_Evinrude_Johnson_OMC_35_-_50_HP_0377230_0777213_-_JLM_MARINE-8290173.jpg?v=1763038692"}],"url":"https:\/\/seasierra.com\/collections\/johnson-2-stroke-35-55hp-outboard-marine-engine-parts.oembed","provider":"SeaSierra","version":"1.0","type":"link"}