{"title":"Parsun 4-Stroke 60-90HP Outboard Engine Parts","description":"\u003csection id=\"hero\" style=\"padding:16px; border:1px solid #e5e5e5; border-radius:8px;\"\u003e\n  \u003cp\u003eThis page supports Parsun 4‑Stroke 60–90HP outboard engines. Use it to quickly find compatible parts and key service information. Below you’ll find maintenance tips, common replacement parts, and troubleshooting guidance. You can also browse our main Parsun‑compatible collections, and at the bottom of this page you’ll find links to start browsing parts for this engine. On the collection pages, 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\/service-maintenance-kits\" style=\"display:inline-block; margin-top:8px; padding:10px 14px; background:#0a4; 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=\"padding:16px;\"\u003e\n  \u003ch2\u003eHow to Identify Your 60–90HP Model\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eNameplate\/serial plate is typically on the transom bracket (starboard side) or swivel bracket. Record the full model designation and serial number.\u003c\/li\u003e\n    \u003cli\u003eModel code basics: the leading \"F\" denotes 4‑stroke (e.g., F60\/F70\/F80\/F90). Suffix letters\/numbers indicate shaft length (S\/L\/X), control type (remote vs. tiller), and production revision or year code.\u003c\/li\u003e\n    \u003cli\u003ePlatform cues: 60–90HP Parsun 4‑strokes are commonly inline‑4 EFI engines. Compare cowl decals and the intake\/exhaust layout to confirm.\u003c\/li\u003e\n    \u003cli\u003eWhen ordering parts, match the exact model code and any suffix so gearcase seals, propeller hub, and electrical components are correct for your engine.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"engine-overview\" style=\"padding:16px;\"\u003e\n  \u003ch2\u003eEngine Overview\u003c\/h2\u003e\n  \u003ch3\u003eInline‑4 EFI 4‑Stroke (60–90HP class)\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 #f0f0f0;\"\u003eConfiguration\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eInline‑4, electronic fuel injection (EFI), 4‑stroke outboard\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eCommon Models\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eParsun F60, F70, F80, F90 variants (confirm exact suffix for shaft\/control)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eAdvantages\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eGood fuel economy and reliability, broad torque curve for mid‑range performance, quiet operation\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eSome external service parts may cross‑reference with similar 60–90HP platforms; always verify by model code and dimensions (prop shaft spline count, anode shapes, belt length, etc.).\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 for 4‑stroke outboards; always follow the schedule and procedures in your official service manual for your specific Parsun model.\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 #f0f0f0;\"\u003eEngine oil + filter\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eAfter break‑in, then every 100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eWarm engine before draining; replace crush washer and verify level after run‑up\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\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 #f0f0f0;\"\u003eGear oil (lower unit)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eEvery 100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eInspect for metal or water intrusion; replace drain plug gaskets\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\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 #f0f0f0;\"\u003eSpark plugs\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eInspect 100 hours; replace 200 hours or as needed\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eCheck gap and color; replace if fouled or worn\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\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; border-bottom:1px solid #f0f0f0;\"\u003eFuel filter \/ water‑separating filter\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eInspect every 50–100 hours; replace annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eDrain bowl for water; replace element if restricted or contaminated\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\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 #f0f0f0;\"\u003eWater pump impeller\/kit\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eEvery 2–3 seasons (sooner for sandy\/silty use)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eReplace impeller, wear plate, cup, and gaskets as needed\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\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 #f0f0f0;\"\u003eAnodes (internal \u0026amp; external)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eInspect every 50 hours; replace when 50% consumed\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eMatch anode metal to water type (zinc\/brackish, aluminum\/fresh\/salt)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\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 #f0f0f0;\"\u003eTiming belt (inspection\/renewal)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eInspect annually; replace per manual (often 3–5 years\/at specified hours)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eLook for cracking, glazing, or tensioner noise\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/belt\"\u003eBelts\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003ePropeller (inspection)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eEvery 50 hours and after any strike\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eCheck for bent blades, hub slippage, and fishing line on shaft; torque nut to spec\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\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\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\/service-maintenance-kits\"\u003eService \u0026amp; Maintenance Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCooling System — \u003ca href=\"https:\/\/seasierra.com\/collections\/water-pump-impeller-rebuild-kits\"\u003eWater Pump Impeller Rebuild 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\u003eCorrosion Protection — \u003ca href=\"https:\/\/seasierra.com\/collections\/anodes\"\u003eAnodes\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eGearcase Sealing — \u003ca href=\"https:\/\/seasierra.com\/collections\/lower-unit-seal-kits\"\u003eLower Unit Seal Kits\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  \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; 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 #f0f0f0;\"\u003eWeak telltale stream \/ overheat alarm\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eInspect intake screens for debris; verify impeller age and housing condition; check thermostat operation\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eWater pump kit, intake screen, thermostat\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003ePoor acceleration \/ power loss\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eCheck prop for damage or wrong pitch; replace fuel filter; confirm clean plugs and fresh fuel\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003ePropeller, fuel filter, spark plugs\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eHard starting \/ rough idle\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003ePrime fuel system; test battery voltage; inspect plugs and idle air passages; look for water in fuel\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eSpark plugs, fuel filter, battery cables, EFI service items\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eGearcase noise \/ metal in gear oil\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eDrain and inspect gear oil; check prop shaft for line damage; pressure\/vacuum test gearcase\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eLower unit seal kit, bearings, shims (as applicable)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eTrim\/tilt slow or inoperative\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eVerify fluid level; check battery voltage, fuses, and relays; listen for pump actuation\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eTrim motor\/relay, wiring, hydraulic fluid\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 different years or platforms?\u003c\/summary\u003e\n    \u003cp\u003eMany 60–90HP components look similar, but changes in shaft length, gear ratio, ignition, and cooling layouts can affect fit. Always verify by full model code and serial number 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\u003eFor typical use, replace every 2–3 seasons. If you run in sandy\/silty water or see a weak telltale, replace sooner and inspect the wear plate and cup.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should gear oil be changed?\u003c\/summary\u003e\n    \u003cp\u003eChange gear oil at least annually or every 100 hours. If you find milky oil or metal debris, reseal and service the gearcase before further use.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat information helps confirm part compatibility?\u003c\/summary\u003e\n    \u003cp\u003eProvide the complete model code, serial number, shaft length (S\/L\/X), control type (tiller\/remote), and clear photos of the nameplate and the part you are replacing.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"cta\" style=\"padding:16px; border-top:1px solid #eee;\"\u003e\n  \u003cp\u003eReady to find parts for your Parsun 4‑Stroke 60–90HP? Browse our collections by category and refine by horsepower and model as needed.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/service-maintenance-kits\" style=\"display:inline-block; margin:6px 0 8px; padding:10px 14px; background:#0a4; color:#fff; text-decoration:none; border-radius:6px;\"\u003eBrowse Parsun Parts Collections\u003c\/a\u003e\n  \u003cp style=\"font-size:0.95em; color:#444;\"\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-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-60-90hp-outboard-engine-parts.oembed","provider":"SeaSierra","version":"1.0","type":"link"}