{"title":"Evinrude 2-Stroke 9.5-10HP Outboard Marine Engine Parts","description":"\u003csection id=\"hero\" style=\"padding:16px; border:1px solid #e5e7eb; border-radius:8px;\"\u003e\n  \u003cp\u003eThis page is dedicated to Evinrude 2‑Stroke 9.5–10 HP outboard engines. Use it to quickly find compatible parts and practical service information. Below you’ll find maintenance intervals, common replacement parts, and troubleshooting guidance. You can also browse the main Johnson\/Evinrude 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.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/johnson-evinrude-omc-outboard-parts\" style=\"display:inline-block; margin-top:8px; padding:10px 14px; background:#0ea5e9; color:#fff; text-decoration:none; border-radius:6px;\"\u003eBrowse All Johnson\/Evinrude Parts\u003c\/a\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"identify-model\" style=\"padding:16px;\"\u003e\n  \u003ch2\u003eHow to Identify Your 9.5–10 HP Model\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eNameplate location: Look on the transom\/clamp bracket or swivel bracket for a metal tag or sticker showing the model and serial.\u003c\/li\u003e\n    \u003cli\u003eReading the code: Model codes often include suffix letters for shaft length (S=15\" short, L=20\" long), starter type (E=Electric), and sometimes a year\/series identifier.\u003c\/li\u003e\n    \u003cli\u003ePlatform cues: These are 2‑stroke, twin‑cylinder carbureted outboards. Earlier 10 HP models are commonly late‑1950s to early‑1960s; 9.5 HP models are typically mid‑1960s to early‑1970s.\u003c\/li\u003e\n    \u003cli\u003eWhy it matters: Water pump kits, carb kits, and ignition parts can differ between 9.5 and 10 HP or by year. Always confirm the full model code before ordering.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"engine-overview\" style=\"padding:16px;\"\u003e\n  \u003ch2\u003ePlatform Overview\u003c\/h2\u003e\n  \u003ch3\u003eSmall Twin‑Cylinder 2‑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; border-bottom:1px solid #f3f4f6;\"\u003eConfiguration\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eTwin‑cylinder, carbureted 2‑stroke with mechanical fuel pump; early units often use breaker‑point ignition.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eCommon Models\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003e10 HP (approx. 1958–1963) and 9.5 HP (approx. 1964–1973) series.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eAdvantages\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eLight weight, easy to service, simple carburetion, good portability.\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 service parts interchange across years, but water pump, carburetor, and ignition items can vary by model\/year. Typical premix is 2‑stroke TC‑W3 oil; many run 50:1, though some early 10 HP models may specify a richer ratio—follow your service manual.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"service-kits\" style=\"padding:16px;\"\u003e\n  \u003ch2\u003eRoutine Maintenance \u0026amp; Service Parts\u003c\/h2\u003e\n  \u003cp\u003eIntervals below are general guidelines. Always confirm procedures and schedules with your engine’s 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; padding:8px; border-bottom:1px solid #e5e7eb;\"\u003eItem\u003c\/th\u003e\n        \u003cth style=\"text-align:left; padding:8px; border-bottom:1px solid #e5e7eb;\"\u003eInterval*\u003c\/th\u003e\n        \u003cth style=\"text-align:left; padding:8px; border-bottom:1px solid #e5e7eb;\"\u003eRemarks\u003c\/th\u003e\n        \u003cth style=\"text-align:left; padding:8px; border-bottom:1px solid #e5e7eb;\"\u003eParts Link\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eGear oil (lower unit)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eEvery 100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eInspect for water\/milkiness; replace seals if leakage is found.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/johnson-evinrude-omc-lower-unit-seal-kits\"\u003eLower Unit Seal Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eSpark plugs\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eInspect each season; replace 100 hours or as needed\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eCheck gap and heat range per manual; replace if fouled or worn.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/johnson-evinrude-omc-outboard-parts\"\u003eJohnson\/Evinrude Parts\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eFuel filter \/ inline filter\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eEvery 100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eReplace sooner if contaminated fuel is suspected.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\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; border-bottom:1px solid #f3f4f6;\"\u003eWater pump impeller \/ kit\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eEvery 2–3 seasons or 200 hours\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eService more frequently in sandy\/silty water or after any overheat\/dry run.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/johnson-evinrude-omc-water-pump-repair-kits\"\u003eWater Pump Repair Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eAnodes (zincs)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eInspect each season; replace at ~50% loss\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eUse correct alloy for fresh vs. salt water.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/bombardier-anodes\"\u003eAnodes\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003e2‑Stroke fuel\/oil premix\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eEvery fill‑up\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eUse TC‑W3 outboard oil at the ratio specified by your model\/year (many 50:1; verify manual).\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/bombardier-service-maintenance-kits\"\u003eService \u0026amp; Maintenance Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eFuel lines \/ primer bulb\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect annually; replace as needed\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eReplace if hardened, cracked, or swelling; ensure ethanol‑safe components.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/hoses\"\u003eHoses\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"common-parts\" style=\"padding:16px;\"\u003e\n  \u003ch2\u003eFrequently Used Parts Categories\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eRoutine Service — \u003ca href=\"https:\/\/seasierra.com\/collections\/bombardier-service-maintenance-kits\"\u003eJohnson\/Evinrude 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\"\u003eWater 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\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\u003ePropellers \u0026amp; Hardware — \u003ca href=\"https:\/\/seasierra.com\/collections\/bombardier-propellers\"\u003eJohnson\/Evinrude Propellers\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCorrosion Protection — \u003ca href=\"https:\/\/seasierra.com\/collections\/bombardier-anodes\"\u003eAnodes\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"troubleshooting\" style=\"padding:16px;\"\u003e\n  \u003ch2\u003eCommon Symptoms \u0026amp; Quick Checks\u003c\/h2\u003e\n  \u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left; padding:8px; border-bottom:1px solid #e5e7eb;\"\u003eSymptom\u003c\/th\u003e\n        \u003cth style=\"text-align:left; padding:8px; border-bottom:1px solid #e5e7eb;\"\u003eCheck First\u003c\/th\u003e\n        \u003cth style=\"text-align:left; padding:8px; border-bottom:1px solid #e5e7eb;\"\u003eRelated Parts\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eWeak tell‑tale stream or overheat alarm\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eInspect intake screen for debris; verify impeller condition and housing wear; confirm thermostat operation.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eWater pump kit, thermostat, intake screen\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003ePoor acceleration \/ power loss\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eCheck for old fuel, clogged filter, fouled plugs; verify prop condition\/pitch and correct choke\/enrichment.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eFuel filter, carburetor kit, spark plugs, propeller\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eHard starting \/ rough idle\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eDrain stale fuel, confirm primer bulb holds pressure, inspect ignition points\/condensers (if fitted) and plug gap.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eFuel filter, hoses\/primer bulb, ignition tune‑up parts, spark plugs\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eExcessive smoke (2‑stroke)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eVerify fuel\/oil ratio; ensure high‑quality TC‑W3 oil; check that thermostat allows proper operating temperature.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f3f4f6;\"\u003eSpark plugs, thermostat, fuel\/oil mix\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;\"\u003eInspect gear oil for water or metal; pressure\/vacuum test if leaks suspected.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eLower unit seal kit, prop shaft seals, carrier seals\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"faq\" style=\"padding:16px;\"\u003e\n  \u003ch2\u003eFAQs\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eAre parts interchangeable between the 9.5 HP and 10 HP models or different years?\u003c\/summary\u003e\n    \u003cp\u003eSome items interchange, but key components like water pump kits, carburetor parts, and ignition pieces can differ between 10 HP (late‑1950s\/early‑1960s) and 9.5 HP (mid‑1960s\/early‑1970s) engines. Use the exact model code and serial to confirm fitment.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhen should the impeller be replaced?\u003c\/summary\u003e\n    \u003cp\u003eAs a rule, service the impeller every 2–3 seasons or ~200 hours, and immediately after any overheat or suspected dry‑run. Sandy or silty water may require more frequent service.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should I change lower unit gear oil?\u003c\/summary\u003e\n    \u003cp\u003eAt least once per year or every 100 hours. Change it sooner if you see water intrusion (milky oil) or after an impact or submersion event.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat information do you need to verify part compatibility?\u003c\/summary\u003e\n    \u003cp\u003ePlease provide the full model code and serial number from the nameplate, shaft length (S\/L), starter type (manual\/electric), and any known year range. Photos of the lower unit and cowl can also help.\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 the main Johnson\/Evinrude collection to see compatible components for your Evinrude 2‑Stroke 9.5–10 HP.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/johnson-evinrude-omc-outboard-parts\" style=\"display:inline-block; margin-top:8px; padding:10px 14px; background:#0ea5e9; color:#fff; text-decoration:none; border-radius:6px;\"\u003eShop Johnson\/Evinrude 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 and we’ll help verify compatibility.\u003c\/p\u003e\n\u003c\/section\u003e","products":[{"product_id":"water-pump-impeller-fits-johnson-evinrude-9-5-10-hp-replaces-377178-775519","title":"Water Pump Impeller – Fits Johnson\/Evinrude 9.5\/10 HP (Replaces 377178, 775519)","description":"\u003csection\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis high-quality \u003cstrong\u003eWater Pump Impeller – Fits Johnson\/Evinrude 9.5\/10 HP (Replaces 377178, 775519)\u003c\/strong\u003e is engineered for Johnson\/Evinrude 9.5 HP (1964–1973) and 10 HP (1958–1963) 2-Stroke outboard engines, ensuring your cooling system functions correctly. It is built to meet or exceed original equipment specifications for reliable performance.\u003c\/p\u003e\n\u003cp\u003eThis component is a direct replacement for multiple OEM and aftermarket part numbers, including Johnson\/Evinrude 377178, 775519, 777833, Sierra 18-3003, and others, offering a precise fit and restoring cooling efficiency.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEngineered for direct OEM replacement installation.\u003c\/li\u003e\n\u003cli\u003eFeatures a durable 6-blade design made from neoprene rubber.\u003c\/li\u003e\n\u003cli\u003eDesigned to restore cooling system performance and prevent overheating.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- 🔧 Table Styles (include only once per page) --\u003e\n\u003cstyle\u003e\n  \/* Outer container allows horizontal scrolling (with iOS momentum) *\/\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n\n  \/* Base table styles *\/\n  table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n  table.ss-table th, table.ss-table td {\n    padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n  }\n\n  \/* Key: prevent wrapping, word breaks, and vertical text in headers *\/\n  table.ss-table th {\n    white-space:nowrap;       \/* Do not wrap *\/\n    word-break:normal;        \/* Don’t break words *\/\n    letter-spacing:normal;    \/* Prevent theme styles from stretching letters *\/\n    font-weight:600;\n    background:#f8fafc;\n  }\n\n  \/* Small screen optimization *\/\n  @media (max-width:480px){\n    table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n  }\n\u003c\/style\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse this matrix to confirm equivalent references across OEM and aftermarket.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003ePart Number\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n        \u003ctd\u003e377178 \/ 0377178 \/ 775519 \/ 0775519 \/ 777833\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eSierra\u003c\/td\u003e\n        \u003ctd\u003e18-3003\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eGLM\u003c\/td\u003e\n        \u003ctd\u003e89670\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMallory Marine\u003c\/td\u003e\n        \u003ctd\u003e9-45218 \/ 9-45218-10\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eSEI Marine\u003c\/td\u003e\n        \u003ctd\u003e96-361-03BE\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eCEF\u003c\/td\u003e\n        \u003ctd\u003e500349\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eConfirm your engine model\/year in the table below.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Engine \u0026amp; Model Compatibility\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003eModel\u003c\/th\u003e\n        \u003cth\u003eRated HP\u003c\/th\u003e\n        \u003cth\u003eStroke\u003c\/th\u003e\n        \u003cth\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\u003eJohnson\/Evinrude\u003c\/td\u003e\n        \u003ctd\u003eMultiple\u003c\/td\u003e\n        \u003ctd\u003e9.5 HP\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1964–1973\u003c\/td\u003e\n        \u003ctd\u003e377178\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\u003eMultiple\u003c\/td\u003e\n        \u003ctd\u003e10 HP\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1958–1963\u003c\/td\u003e\n        \u003ctd\u003e377178\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\u003eMQ, MQL\u003c\/td\u003e\n        \u003ctd\u003e9.5-10 HP\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003eVarious\u003c\/td\u003e\n        \u003ctd\u003e377178\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\u003e9R, 9RL\u003c\/td\u003e\n        \u003ctd\u003e9.5-10 HP\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003eVarious\u003c\/td\u003e\n        \u003ctd\u003e377178\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eWater Pump Impeller\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eDirect OEM replacement\u003c\/dd\u003e\n  \u003cdt\u003eNumber of Blades\u003c\/dt\u003e\n\u003cdd\u003e6\u003c\/dd\u003e\n  \u003cdt\u003eMaterial\u003c\/dt\u003e\n\u003cdd\u003eNeoprene rubber\u003c\/dd\u003e\n  \u003cdt\u003eOverall Diameter\u003c\/dt\u003e\n\u003cdd\u003e69.6 mm (2.74 inch)\u003c\/dd\u003e\n  \u003cdt\u003eHeight\u003c\/dt\u003e\n\u003cdd\u003e12.8 mm (0.5 inch)\u003c\/dd\u003e\n  \u003cdt\u003eShaft Diameter\u003c\/dt\u003e\n\u003cdd\u003e14.1 mm (0.555 inch)\u003c\/dd\u003e\n  \u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e38g (1.34 oz)\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 Water Pump Impeller (Replaces 377178\/775519)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eDisconnect the battery and spark plug wires for safety.\u003c\/li\u003e\n  \u003cli\u003ePlace a drain pan under the lower unit and remove the gearcase oil drain screw to empty the lubricant.\u003c\/li\u003e\n  \u003cli\u003eUnbolt and carefully lower the gearcase (lower unit) from the outboard midsection.\u003c\/li\u003e\n  \u003cli\u003eRemove the screws securing the water pump housing cover.\u003c\/li\u003e\n  \u003cli\u003eSlide the old impeller off the driveshaft, noting the orientation of the blades. Clean any debris from the housing.\u003c\/li\u003e\n  \u003cli\u003eLightly grease the new impeller with marine grease and slide it onto the driveshaft, turning the shaft in its normal rotational direction to bend the blades correctly.\u003c\/li\u003e\n  \u003cli\u003eReassemble the pump housing, reinstall the lower unit with a new gasket, and refill the gearcase oil.\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 fits my specific model?\u003c\/summary\u003e\n  \u003cp\u003eThis impeller is designed for Johnson\/Evinrude 9.5 HP (1964–1973) and 10 HP (1958–1963) models. Always cross-reference the part numbers in our Part Number Matrix with your service manual or original part to guarantee a match.\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 symptoms include a weak or non-existent water stream from the tell-tale port, engine overheating alarms, and reduced engine performance. Visible signs on the old impeller include cracked, brittle, or worn blades.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow often should this impeller be replaced?\u003c\/summary\u003e\n  \u003cp\u003eAs a general maintenance guideline, we recommend inspecting the impeller annually and replacing it every 1-2 years or every 100-200 hours of use, depending on operating conditions (especially in saltwater or sandy\/silty water).\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs this impeller more durable than the original OEM part?\u003c\/summary\u003e\n  \u003cp\u003eThis aftermarket impeller is manufactured with high-quality neoprene rubber to meet or exceed OEM specifications for durability and performance. It is designed to offer comparable service life under normal operating conditions.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\n  \u003cp\u003eThis listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eShipping speed \u0026amp; cost\u003c\/summary\u003e\n  \u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWarranty \u0026amp; returns\u003c\/summary\u003e\n  \u003cp\u003eCovered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused \u0026amp; in original condition). See our policy page or reach out for instructions.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\n\u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify images\/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.\u003c\/li\u003e\n  \u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended for safety and performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003ePro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n  \u003cli\u003eFast Global Fulfillment — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n  \u003cli\u003eManufacturer-Direct Value — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50717909385531,"sku":"17IO020K","price":17.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/Water_Pump_Impeller_for_Johnson_Evinrude_95_10_HP___18-3003_-_JLM_MARINE-8288130.jpg?v=1763039469"},{"product_id":"water-pump-impeller-fits-johnson-evinrude-9-5hp-10hp-replaces-377178-775519","title":"Water Pump Impeller for Evinrude\/Johnson 9.5 HP \u0026 10 HP Outboards – Replaces 377178, 775519","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 water pump impeller is designed for selected Evinrude\/Johnson 2-stroke outboard applications, including 9.5 HP models from 1964–1973 and 10 HP models from 1958–1963. It is intended to replace the original impeller in the applicable water pump housing and help restore proper cooling-water circulation.\u003c\/p\u003e\n\u003cp\u003eThe impeller is listed for the Evinrude\/Johnson, OMC, and BRP reference numbers \u003cstrong\u003e377178\u003c\/strong\u003e, \u003cstrong\u003e775519\u003c\/strong\u003e, and \u003cstrong\u003e777833\u003c\/strong\u003e. Additional aftermarket cross-references listed for this application include Sierra \u003cstrong\u003e18-3003\u003c\/strong\u003e, Mallory \u003cstrong\u003e9-45218\u003c\/strong\u003e, GLM \u003cstrong\u003e89670\u003c\/strong\u003e, SEI Marine \u003cstrong\u003e96-361-03BE\u003c\/strong\u003e, and CEF \u003cstrong\u003e500349\u003c\/strong\u003e. Always verify the complete engine model and year before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplacement water pump impeller for specified Evinrude\/Johnson outboards.\u003c\/li\u003e\n  \u003cli\u003eDesigned for installation in the original water pump housing.\u003c\/li\u003e\n  \u003cli\u003eSuitable for the listed 9.5 HP and 10 HP 2-stroke applications.\u003c\/li\u003e\n  \u003cli\u003eSingle impeller supplied; this is not a multi-piece water pump service kit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse the following numbers as application cross-references. Cross-reference numbers do not replace confirmation of the engine model, year, and existing impeller dimensions.\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\u003c\/th\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eEvinrude\/Johnson\u003c\/td\u003e\n\u003ctd\u003e377178\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEvinrude\/Johnson\u003c\/td\u003e\n\u003ctd\u003e775519\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEvinrude\/Johnson\u003c\/td\u003e\n\u003ctd\u003e777833\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSierra\u003c\/td\u003e\n\u003ctd\u003e18-3003\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMallory\u003c\/td\u003e\n\u003ctd\u003e9-45218\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGLM\u003c\/td\u003e\n\u003ctd\u003e89670\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSEI Marine\u003c\/td\u003e\n\u003ctd\u003e96-361-03BE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCEF\u003c\/td\u003e\n\u003ctd\u003e500349\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 following Evinrude\/Johnson model and year combinations are listed for this impeller. Confirm the model designation, horsepower, stroke, and year on your outboard 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\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\u003eYear\u003c\/th\u003e\n\u003cth\u003eReference Part No.\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eEvinrude\/Johnson\u003c\/td\u003e\n\u003ctd\u003eMQ-10\u003c\/td\u003e\n\u003ctd\u003e9.5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1964\u003c\/td\u003e\n\u003ctd\u003e377178 \/ 775519\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEvinrude\/Johnson\u003c\/td\u003e\n\u003ctd\u003e9822D, 9822E\u003c\/td\u003e\n\u003ctd\u003e9.5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1968\u003c\/td\u003e\n\u003ctd\u003e377178 \/ 775519\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEvinrude\/Johnson\u003c\/td\u003e\n\u003ctd\u003e9823D, 9823E\u003c\/td\u003e\n\u003ctd\u003e9.5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1968\u003c\/td\u003e\n\u003ctd\u003e377178 \/ 775519\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEvinrude\/Johnson\u003c\/td\u003e\n\u003ctd\u003eMQ-14D, MQ-14E\u003c\/td\u003e\n\u003ctd\u003e9.5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1968\u003c\/td\u003e\n\u003ctd\u003e377178 \/ 775519\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEvinrude\/Johnson\u003c\/td\u003e\n\u003ctd\u003eMQL-14D, MQL-14E\u003c\/td\u003e\n\u003ctd\u003e9.5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1968\u003c\/td\u003e\n\u003ctd\u003e377178 \/ 775519\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEvinrude\/Johnson\u003c\/td\u003e\n\u003ctd\u003e9922S\u003c\/td\u003e\n\u003ctd\u003e9.5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1969\u003c\/td\u003e\n\u003ctd\u003e377178 \/ 775519\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEvinrude\/Johnson\u003c\/td\u003e\n\u003ctd\u003e9923S, 9R69S, 9RL69S\u003c\/td\u003e\n\u003ctd\u003e9.5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1969\u003c\/td\u003e\n\u003ctd\u003e377178 \/ 775519\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEvinrude\/Johnson\u003c\/td\u003e\n\u003ctd\u003e9022A, 9022C, 9R70A, 9R70C, 9RL70A, 9RL70C\u003c\/td\u003e\n\u003ctd\u003e9.5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1970\u003c\/td\u003e\n\u003ctd\u003e377178 \/ 775519\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEvinrude\/Johnson\u003c\/td\u003e\n\u003ctd\u003e9023A, 9023C\u003c\/td\u003e\n\u003ctd\u003e9.5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1970\u003c\/td\u003e\n\u003ctd\u003e377178 \/ 775519\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEvinrude\/Johnson\u003c\/td\u003e\n\u003ctd\u003e9122R, 9R71R, 9RL71R\u003c\/td\u003e\n\u003ctd\u003e9.5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1971\u003c\/td\u003e\n\u003ctd\u003e377178 \/ 775519\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEvinrude\/Johnson\u003c\/td\u003e\n\u003ctd\u003e9123R\u003c\/td\u003e\n\u003ctd\u003e9.5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1971\u003c\/td\u003e\n\u003ctd\u003e377178 \/ 775519\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEvinrude\/Johnson\u003c\/td\u003e\n\u003ctd\u003e9222M, 9R72M, 9RL72M\u003c\/td\u003e\n\u003ctd\u003e9.5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1972\u003c\/td\u003e\n\u003ctd\u003e377178 \/ 775519\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEvinrude\/Johnson\u003c\/td\u003e\n\u003ctd\u003e9223M\u003c\/td\u003e\n\u003ctd\u003e9.5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1972\u003c\/td\u003e\n\u003ctd\u003e377178 \/ 775519\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEvinrude\/Johnson\u003c\/td\u003e\n\u003ctd\u003e9322B, 9R73B, 9RL73B\u003c\/td\u003e\n\u003ctd\u003e9.5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1973\u003c\/td\u003e\n\u003ctd\u003e377178 \/ 775519\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEvinrude\/Johnson\u003c\/td\u003e\n\u003ctd\u003e9323B\u003c\/td\u003e\n\u003ctd\u003e9.5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1973\u003c\/td\u003e\n\u003ctd\u003e377178 \/ 775519\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEvinrude\/Johnson\u003c\/td\u003e\n\u003ctd\u003e10016, 10017, QD-19\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1958\u003c\/td\u003e\n\u003ctd\u003e377178 \/ 775519\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEvinrude\/Johnson\u003c\/td\u003e\n\u003ctd\u003e10018, 10019, QD-20\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1959\u003c\/td\u003e\n\u003ctd\u003e377178 \/ 775519\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEvinrude\/Johnson\u003c\/td\u003e\n\u003ctd\u003e10020, 10021, QD-21\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1960\u003c\/td\u003e\n\u003ctd\u003e377178 \/ 775519\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEvinrude\/Johnson\u003c\/td\u003e\n\u003ctd\u003e10022, 10023, QD-22\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1961\u003c\/td\u003e\n\u003ctd\u003e377178 \/ 775519\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEvinrude\/Johnson\u003c\/td\u003e\n\u003ctd\u003e10024, 10025, QD-23\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1962\u003c\/td\u003e\n\u003ctd\u003e377178 \/ 775519\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEvinrude\/Johnson\u003c\/td\u003e\n\u003ctd\u003e10302, 10303, QD-24\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1963\u003c\/td\u003e\n\u003ctd\u003e377178 \/ 775519\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\u003eWater pump impeller\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n\u003cdd\u003eEvinrude\/Johnson 9.5 HP and 10 HP 2-stroke outboards listed above\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eReplacement for the original impeller in the applicable water pump housing\u003c\/dd\u003e\n  \u003cdt\u003eOutside Diameter\u003c\/dt\u003e\n\u003cdd\u003e2.50 in (approximately 63.5 mm)\u003c\/dd\u003e\n  \u003cdt\u003eInside Diameter\u003c\/dt\u003e\n\u003cdd\u003e0.550 in (approximately 14.0 mm)\u003c\/dd\u003e\n  \u003cdt\u003eKey\u003c\/dt\u003e\n\u003cdd\u003eKey is not included; inspect and reuse or replace the original shaft key as required\u003c\/dd\u003e\n  \u003cdt\u003eQuantity\u003c\/dt\u003e\n\u003cdd\u003e1 impeller\u003c\/dd\u003e\n  \u003cdt\u003eConstruction\u003c\/dt\u003e\n\u003cdd\u003eRubber impeller with a metal center insert\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\u003cli\u003e1 x Water pump impeller\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNot included:\u003c\/strong\u003e shaft key, water pump housing, gaskets, seals, or other service components.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eConfirm the engine model, year, horsepower, stroke, and the dimensions of the original impeller before beginning work.\u003c\/li\u003e\n  \u003cli\u003eDisconnect the battery and follow the manufacturer’s service procedure for removing the lower unit.\u003c\/li\u003e\n  \u003cli\u003eRemove the water pump housing cover and take out the old impeller.\u003c\/li\u003e\n  \u003cli\u003eInspect the housing, wear plate, shaft, key, gaskets, and seals for damage or wear. Replace worn service parts as needed.\u003c\/li\u003e\n  \u003cli\u003eClean debris from the housing and install the replacement impeller with the original or replacement key correctly seated in the shaft keyway.\u003c\/li\u003e\n  \u003cli\u003eLubricate the impeller and housing with a lubricant approved for marine water pump components. Do not run the impeller dry.\u003c\/li\u003e\n  \u003cli\u003eReinstall the housing cover and lower unit using the manufacturer’s tightening sequence and torque specifications.\u003c\/li\u003e\n  \u003cli\u003eTest the engine in a suitable water supply and confirm a steady cooling-water discharge before normal operation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eHow do I confirm fitment?\u003c\/summary\u003e\u003cp\u003eMatch the complete engine model and year to the compatibility table, then compare the existing impeller’s outside diameter, inside diameter, key arrangement, and reference number. Horsepower alone is not sufficient to confirm fitment.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat are common signs of a worn impeller?\u003c\/summary\u003e\u003cp\u003eSymptoms may include overheating, a weak or missing tell-tale stream, reduced cooling-water flow, or visible cracked, hardened, or missing vanes on the removed impeller.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs the shaft key included?\u003c\/summary\u003e\u003cp\u003eNo. This listing includes one impeller only. The applicable catalog information identifies the key separately, so inspect the original key and replace it if it is damaged, missing, or excessively worn.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this an OEM part?\u003c\/summary\u003e\u003cp\u003eThis is an aftermarket replacement impeller. The Evinrude\/Johnson and aftermarket numbers shown are reference numbers used to help identify the intended application.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I use this impeller in another engine?\u003c\/summary\u003e\u003cp\u003eDo not assume fitment based only on a similar appearance or horsepower rating. Verify the complete model, year, stroke, dimensions, key arrangement, and applicable reference number for any engine not listed above.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Information\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eAlways follow the engine manufacturer’s service instructions and use the correct torque specifications.\u003c\/li\u003e\n  \u003cli\u003eDo not operate the engine without an adequate water supply.\u003c\/li\u003e\n  \u003cli\u003eInspect the complete water pump assembly whenever the impeller is replaced.\u003c\/li\u003e\n  \u003cli\u003eThis is an aftermarket replacement and is not manufactured by Evinrude, Johnson, OMC, BRP, Sierra, Mallory, GLM, SEI Marine, or CEF.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723986014523,"sku":"17IO020","price":15.51,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/17IO0201_f7b36d2d-cfce-4256-ada9-b083a751e89a.jpg?v=1763039467"}],"url":"https:\/\/seasierra.com\/collections\/evinrude-2-stroke-9-5-10hp-outboard-marine-engine-parts.oembed","provider":"SeaSierra","version":"1.0","type":"link"}