{"title":"Parsun 4-Stroke 6-8HP Outboard Marine Engine Parts","description":"\u003csection id=\"hero\" style=\"padding:16px; border:1px solid #e5e5e5; border-radius:8px;\"\u003e\n  \u003cp\u003eThis page is dedicated to Parsun 4-Stroke 6–8HP outboard engines. Use it to find compatible parts and practical service information, including maintenance tips, common replacement items, and troubleshooting guidance. You can also browse our main Parsun parts collection. Scroll to the bottom of this 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\/popular\" style=\"display:inline-block; padding:10px 16px; background:#0b6efd; color:#fff; text-decoration:none; border-radius:6px;\"\u003eBrowse All Parsun Parts\u003c\/a\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"identify-model\" style=\"margin-top:24px;\"\u003e\n  \u003ch2\u003eHow to Identify Your 6–8HP Model\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eNameplate location: Look on the transom bracket or clamp bracket for the model\/serial plate; the serial may also be stamped on the swivel bracket.\u003c\/li\u003e\n    \u003cli\u003eReading the code: Parsun small four-strokes often indicate horsepower (e.g., 6 or 8) plus shaft length (S = 153 short; L = 203 long) and start\/control type (manual tiller is common).\u003c\/li\u003e\n    \u003cli\u003e4-stroke cues: Engine has a dipstick and oil fill cap; service intervals include engine oil and filter changes.\u003c\/li\u003e\n    \u003cli\u003ePlatform distinctions: In this class, 6HP models are typically single-cylinder; some 8HP variants may be twin-cylinder depending on year. Count spark plugs (one vs two) and check displacement to verify.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"engine-overview\" style=\"margin-top:24px;\"\u003e\n  \u003ch2\u003ePlatform Overview\u003c\/h2\u003e\n  \u003ch3\u003eParsun Small 4-Stroke 680HP\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; border-bottom:1px solid #eee;\"\u003eConfiguration\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eCarbureted OHV 4-stroke, CDI ignition, tiller-steer, manual start; integral small fuel tank with optional external tank on some models.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eCommon Models\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e6HP and 8HP 4-stroke outboards in short (S) and long (L) shaft variants; typical full-throttle range around 4,5005500 rpm for 6HP models.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eAdvantages\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eQuiet running, low fuel consumption, easy portability, and good trolling manners for dinghies, inflatables, and small skiffs.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eMany wear items (plugs, impeller, anodes) are shared across nearby HP variants; confirm shaft length and gear ratio before propeller purchase. Always verify by 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:24px;\"\u003e\n  \u003ch2\u003eRoutine Maintenance \u0026amp; Service Parts\u003c\/h2\u003e\n  \u003cp\u003eIntervals below are general guidelines for small 4-stroke outboards. Always follow the official Parsun 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; border-bottom:1px solid #eee;\"\u003eEngine oil \u0026amp; filter\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eFirst 20 hrs; then every 100 hrs or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eWarm engine before draining; replace crush washer if equipped; use marine 4T oil grade as specified.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/oil-filters\"\u003eOil Filters\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eGear oil (lower unit)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eEvery 100 hrs or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eChange more often after submersion; inspect for water contamination (milky oil) and metal shavings.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/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 #eee;\"\u003eSpark plug(s)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eInspect 100 hrs; replace 200 hrs or as needed\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eCheck gap and insulator color; replace if fouled or out of spec.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\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; border-bottom:1px solid #eee;\"\u003eFuel filter \/ inline filter\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eEvery 100 hrs or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eReplace sooner if debris or ethanol-related varnish is present; use fresh, stabilized fuel.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\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 #eee;\"\u003eWater pump impeller \/ kit\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eInspect annually; replace 2 seasons or 200 hrs\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eReplace sooner after dry-run, sand\/silt ingestion, or weak tell-tale stream.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/water-pump-impeller-rebuild-kits\"\u003eWater Pump Impeller Rebuild Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eAnodes (internal \u0026amp; external)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eInspect often; replace when 50% consumed\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eChoose alloy for water type: zinc (salt), aluminum (salt\/brackish), magnesium (fresh).\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/anodes\"\u003eAnodes\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003ePropeller inspection\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eEvery 50100 hrs or at any vibration\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eCheck for dings and bent blades; confirm pitch for load and altitude; use new cotter pin on install.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/propellers\"\u003ePropellers\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:#666;\"\u003e*Intervals are typical for recreational use; shorten for commercial\/heavy duty or harsh environments.\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"common-parts\" style=\"margin-top:24px;\"\u003e\n  \u003ch2\u003eFrequently Used Parts Categories\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eRoutine Service  \u003ca href=\"https:\/\/seasierra.com\/collections\/service-maintenance-kits\"\u003eService \u0026amp; Maintenance Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCooling System  \u003ca href=\"https:\/\/seasierra.com\/collections\/impellers\"\u003eImpellers\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\u003ePropulsion  \u003ca href=\"https:\/\/seasierra.com\/collections\/propellers\"\u003ePropellers\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCorrosion Protection  \u003ca href=\"https:\/\/seasierra.com\/collections\/anodes\"\u003eAnodes\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eGearcase Seals  \u003ca href=\"https:\/\/seasierra.com\/collections\/lower-unit-seal-kits\"\u003eLower Unit Seal Kits\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"troubleshooting\" style=\"margin-top:24px;\"\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; border-bottom:1px solid #eee;\"\u003eWeak tell-tale stream or overheat alarm\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eInspect intake screen for blockage; verify impeller condition; confirm thermostat operation.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eWater pump impeller kit, thermostat, intake screen\/grommets\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003ePoor acceleration or power loss\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eCheck fuel freshness and filter; inspect propeller for damage or wrong pitch; examine spark plug condition.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eFuel filter, propeller, spark plug\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eHard starting or rough idle\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eConfirm choke\/enrichment operation; look for vacuum leaks; clean carburetor jets if gummed.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eSpark plug, fuel filter, carburetor parts\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eGearcase noise or metal in gear oil\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eDrain and inspect gear oil; check for water intrusion through prop shaft or driveshaft seals; verify correct fill procedure.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #eee;\"\u003eLower unit seal kit, bearings, shims\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:24px;\"\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 Parsun 68HP small four-strokes, but carburetion, ignition, and gearcase details can vary by year and shaft length. Always confirm by model code and serial before ordering.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhen should I replace the impeller?\u003c\/summary\u003e\n    \u003cp\u003eInspect annually and replace about every two seasons or ~200 hours. Replace immediately if the motor was run dry, the tell-tale is weak, or you found sand\/silt in the pump housing.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should I change the gear oil?\u003c\/summary\u003e\n    \u003cp\u003eAt least every 100 hours or once per year. If you see milky oil or metal flakes, service the lower unit seals and investigate for wear before running again.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat information helps confirm part compatibility?\u003c\/summary\u003e\n    \u003cp\u003eProvide brand (Parsun), full model code, serial number, shaft length (S\/L), and a photo of the nameplate. Pictures of the existing part also help us verify fitment.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"cta\" style=\"margin-top:24px; padding:16px; border:1px solid #e5e5e5; border-radius:8px;\"\u003e\n  \u003cp\u003eReady to shop? Browse our main Parsun-compatible parts by category and refine by horsepower, year, and model on the collection page.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/popular\" style=\"display:inline-block; padding:10px 16px; background:#0b6efd; color:#fff; text-decoration:none; border-radius:6px;\"\u003eShop Parsun-Compatible Parts\u003c\/a\u003e\n  \u003cp style=\"margin-top:8px; font-size:12px; color:#666;\"\u003eIf youre unsure about your model, send us a photo of the nameplate and the part you need and well help verify compatibility.\u003c\/p\u003e\n\u003c\/section\u003e","products":[{"product_id":"water-pump-impeller-fits-tohatsu-nissan-mercury-40-90hp-2-stroke-replaces-3b7-65021-2","title":"Water Pump Impeller for Nissan\/Tohatsu 2-Stroke 60–140 HP – Replaces 3C7-65021-1 and 3B7-65022-0","description":"\u003c!-- 🔧 Table Styles (include only once per page) --\u003e\n\u003cstyle\u003e\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n  table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n  table.ss-table th, table.ss-table td {\n    padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n  }\n  table.ss-table th {\n    white-space:nowrap;\n    word-break:normal;\n    letter-spacing:normal;\n    font-weight:600;\n    background:#f8fafc;\n  }\n  @media (max-width:480px){\n    table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n  }\n\u003c\/style\u003e\n\u003csection\u003e\n    \u003ch2\u003eProduct Details\u003c\/h2\u003e\n    \u003cp\u003eThis aftermarket \u003cstrong\u003ewater pump impeller\u003c\/strong\u003e is designed for selected Nissan and Tohatsu marine outboards. It is a replacement cooling-system component for the applications listed below, including selected 2-stroke 60–140 HP engines and Nissan 70\/90 TLDI and 120A\/140A models.\u003c\/p\u003e\n    \u003cp\u003eThe impeller is sold as a \u003cstrong\u003esingle replacement component\u003c\/strong\u003e. It is listed as an aftermarket replacement for \u003cstrong\u003eSierra Marine 18-8924\u003c\/strong\u003e and is cross-referenced with the manufacturer part numbers shown in the matrix below.\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Water pump impeller for an outboard cooling system.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Selected Nissan and Tohatsu marine outboards.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eEngine range:\u003c\/strong\u003e Listed applications include 2-stroke 60\/70\/90 HP and 2-stroke 115\/120\/140 HP models.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eFitment requirement:\u003c\/strong\u003e Confirm the complete engine model and original part number before ordering.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n    \u003cp\u003eUse these manufacturer and aftermarket references to compare the replacement impeller with your existing part. A part-number match should still be checked against the engine model.\u003c\/p\u003e\n    \u003cdiv class=\"ss-table-wrap\"\u003e\n      \u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n        \u003cthead\u003e\n          \u003ctr\u003e\n            \u003cth\u003eReference Type\u003c\/th\u003e\n            \u003cth\u003ePart Number\u003c\/th\u003e\n          \u003c\/tr\u003e\n        \u003c\/thead\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eTohatsu\/Nissan manufacturer reference\u003c\/td\u003e\n            \u003ctd\u003e3C7-65021-1\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eTohatsu\/Nissan manufacturer reference\u003c\/td\u003e\n            \u003ctd\u003e3C7650211M\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eTohatsu\/Nissan manufacturer reference\u003c\/td\u003e\n            \u003ctd\u003e3B7-65022-0\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eTohatsu\/Nissan manufacturer reference\u003c\/td\u003e\n            \u003ctd\u003e3B7650220M\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr\u003e\n            \u003ctd\u003eAftermarket reference\u003c\/td\u003e\n            \u003ctd\u003eSierra Marine 18-8924\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 the following Nissan and Tohatsu applications. Engine model, year, and serial-number coverage can vary, so verify all identifying details before installation.\u003c\/p\u003e\n    \u003cdiv class=\"ss-table-wrap\"\u003e\n        \u003ctable class=\"ss-table\" aria-label=\"Engine Model Compatibility\"\u003e\n            \u003cthead\u003e\n                \u003ctr\u003e\n                    \u003cth\u003eBrand\u003c\/th\u003e\n                    \u003cth\u003eModel or Application\u003c\/th\u003e\n                    \u003cth\u003eRated HP\u003c\/th\u003e\n                    \u003cth\u003eStroke\u003c\/th\u003e\n                    \u003cth\u003eReference\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\u003eNissan\/Tohatsu\u003c\/td\u003e\n                    \u003ctd\u003e60 HP applications\u003c\/td\u003e\n                    \u003ctd\u003e60 HP\u003c\/td\u003e\n                    \u003ctd\u003e2-Stroke\u003c\/td\u003e\n                    \u003ctd\u003e3C7-65021-1 \/ 3B7-65022-0\u003c\/td\u003e\n                    \u003ctd\u003eConfirm the exact engine model and original impeller number.\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eNissan\/Tohatsu\u003c\/td\u003e\n                    \u003ctd\u003e70 HP applications\u003c\/td\u003e\n                    \u003ctd\u003e70 HP\u003c\/td\u003e\n                    \u003ctd\u003e2-Stroke\u003c\/td\u003e\n                    \u003ctd\u003e3C7-65021-1 \/ 3B7-65022-0\u003c\/td\u003e\n                    \u003ctd\u003eConfirm the exact engine model and original impeller number.\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eNissan\/Tohatsu\u003c\/td\u003e\n                    \u003ctd\u003e90 HP applications\u003c\/td\u003e\n                    \u003ctd\u003e90 HP\u003c\/td\u003e\n                    \u003ctd\u003e2-Stroke\u003c\/td\u003e\n                    \u003ctd\u003e3C7-65021-1 \/ 3B7-65022-0\u003c\/td\u003e\n                    \u003ctd\u003eIncludes selected Nissan\/Tohatsu 90 TLDI applications; verify model details.\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eNissan\/Tohatsu\u003c\/td\u003e\n                    \u003ctd\u003e115 HP applications\u003c\/td\u003e\n                    \u003ctd\u003e115 HP\u003c\/td\u003e\n                    \u003ctd\u003e2-Stroke\u003c\/td\u003e\n                    \u003ctd\u003e3C7-65021-1 \/ 3B7-65022-0\u003c\/td\u003e\n                    \u003ctd\u003eConfirm the exact engine model and original impeller number.\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eNissan\/Tohatsu\u003c\/td\u003e\n                    \u003ctd\u003e120A applications\u003c\/td\u003e\n                    \u003ctd\u003e120 HP\u003c\/td\u003e\n                    \u003ctd\u003e2-Stroke\u003c\/td\u003e\n                    \u003ctd\u003e3C7-65021-1 \/ 3B7-65022-0\u003c\/td\u003e\n                    \u003ctd\u003eListed by the company as a Nissan application; verify the complete model designation.\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003eNissan\/Tohatsu\u003c\/td\u003e\n                    \u003ctd\u003e140A applications\u003c\/td\u003e\n                    \u003ctd\u003e140 HP\u003c\/td\u003e\n                    \u003ctd\u003e2-Stroke\u003c\/td\u003e\n                    \u003ctd\u003e3C7-65021-1 \/ 3B7-65022-0\u003c\/td\u003e\n                    \u003ctd\u003eListed by the company as a Nissan application; verify the complete model designation.\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\u003eApplication\u003c\/dt\u003e\n        \u003cdd\u003eSelected Nissan and Tohatsu marine outboards\u003c\/dd\u003e\n        \u003cdt\u003eStroke Applications\u003c\/dt\u003e\n        \u003cdd\u003e2-stroke applications listed by the company\u003c\/dd\u003e\n        \u003cdt\u003eHorsepower Range\u003c\/dt\u003e\n        \u003cdd\u003e60–140 HP, subject to the specific model and application\u003c\/dd\u003e\n        \u003cdt\u003eAftermarket Reference\u003c\/dt\u003e\n        \u003cdd\u003eSierra Marine 18-8924\u003c\/dd\u003e\n        \u003cdt\u003eManufacturer References\u003c\/dt\u003e\n        \u003cdd\u003e3C7-65021-1, 3C7650211M, 3B7-65022-0, 3B7650220M\u003c\/dd\u003e\n    \u003c\/dl\u003e\n\n    \u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n    \u003cul\u003e\n        \u003cli\u003e1 × Water pump impeller\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 engine manufacturer’s safety procedures before beginning work.\u003c\/li\u003e\n        \u003cli\u003eRemove the lower unit or gearcase according to the service manual for your specific engine.\u003c\/li\u003e\n        \u003cli\u003eRemove the water pump housing and take out the old impeller.\u003c\/li\u003e\n        \u003cli\u003eInspect the pump housing, wear plate, seals, and related components for wear or damage.\u003c\/li\u003e\n        \u003cli\u003eClean the pump housing and mating surfaces before installing the replacement impeller.\u003c\/li\u003e\n        \u003cli\u003eInstall the impeller in the correct orientation for the engine’s normal rotation.\u003c\/li\u003e\n        \u003cli\u003eReassemble the water pump and lower unit using the service manual’s gasket, seal, and torque procedures.\u003c\/li\u003e\n        \u003cli\u003eRestore the shift linkage and battery connections, then run the engine with an appropriate water supply.\u003c\/li\u003e\n        \u003cli\u003eConfirm that cooling-water circulation and the telltale stream are functioning normally before 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 know if this impeller fits my engine?\u003c\/summary\u003e\n        \u003cp\u003eCompare your complete engine model and original impeller number with the Engine \u0026amp; Model Compatibility and Part Number Matrix sections. This listing is intended for selected Nissan and Tohatsu applications, including the 2-stroke 60\/70\/90 HP and 115\/120\/140 HP applications identified above.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n        \u003csummary\u003eWhat are the signs of a worn water pump impeller?\u003c\/summary\u003e\n        \u003cp\u003eTypical warning signs can include overheating, a weak or missing telltale stream, or reduced cooling-water circulation. Inspect the impeller and the complete water pump assembly if any of these symptoms occur.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n        \u003csummary\u003eDoes this listing include a complete water pump kit?\u003c\/summary\u003e\n        \u003cp\u003eNo. This listing is for one water pump impeller only. Gaskets, keys, wear plates, housings, and other water-pump components are not included unless specifically stated.\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 provided for compatibility cross-reference only.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n        \u003csummary\u003eShould I verify the part before installation?\u003c\/summary\u003e\n        \u003cp\u003eYes. Compare the replacement with the original part and verify the engine model, horsepower, stroke, and applicable part number before installation. Do not install the impeller if the dimensions, hub, or other identifying features do not match.\u003c\/p\u003e\n    \u003c\/details\u003e\n\n    \u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n    \u003cul\u003e\n        \u003cli\u003eVerify the complete engine model and original part number before ordering.\u003c\/li\u003e\n        \u003cli\u003eFitment references are application-specific and should not be extended to unlisted engine models.\u003c\/li\u003e\n        \u003cli\u003eThis is an aftermarket replacement component, not an original equipment manufacturer part.\u003c\/li\u003e\n        \u003cli\u003eProfessional installation is recommended when lower-unit removal or water-pump service is outside your experience.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n    \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eMarine Replacement Parts\u003c\/strong\u003e — We supply replacement components for routine marine maintenance and repair.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eApplication-Focused Fitment\u003c\/strong\u003e — Product references are provided to help customers compare engine models and original part numbers.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003ePractical Value\u003c\/strong\u003e — Aftermarket replacement parts offer a practical option for maintaining compatible marine engines.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50718264394043,"sku":"17IT005","price":17.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/Water_Pump_Impeller_for_Tohatsu_-_Mercury_3B7-65021-2_3B7650210M_3B7650212M_3C7-65021-1_-_JLM_MARINE-8289714.jpg?v=1762958470"}],"url":"https:\/\/seasierra.com\/collections\/parsun-4-stroke-6-8hp-outboard-marine-engine-parts.oembed","provider":"SeaSierra","version":"1.0","type":"link"}