{"title":"Parsun 4-Stroke 9.8HP Outboard Engine Parts","description":"\u003csection id=\"hero\" style=\"padding:16px;border:1px solid #e5e7eb;border-radius:8px;max-width:1000px;\"\u003e\n  \u003cp\u003eThis page supports Parsun 4-Stroke 9.8HP outboard engines. Use it to find compatible parts and key service information, including maintenance tips, commonly replaced items, and quick troubleshooting guidance. You can also browse our main Parsun collection from here, and at the bottom of this page you’ll find an easy way to start browsing parts for this engine. On the collection page, use the Filter \u0026amp; Sort controls to narrow by horsepower, year range, and part category\/section.\u003c\/p\u003e\n  \u003cp\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/popular\" style=\"display:inline-block;padding:10px 14px;border:1px solid #1f2937;border-radius:6px;text-decoration:none;\"\u003eBrowse All Parsun Parts\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"identify-model\" style=\"max-width:1000px;\"\u003e\n  \u003ch2\u003eHow to Identify Your 9.8HP Model\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eNameplate\/serial plate: Typically found on the transom bracket or clamp bracket (often starboard side). Note the model and serial number exactly.\u003c\/li\u003e\n    \u003cli\u003eModel code \u0026amp; suffix: A code like F9.8 followed by letters\/numbers indicating shaft length (S=15\", L=20\"), start type (M=manual, E=electric), and control style (tiller vs. remote).\u003c\/li\u003e\n    \u003cli\u003ePlatform distinctions: This 4-stroke twin-cylinder is carbureted. Many parts are shared with similar 8 hp Parsun models, but jetting and certain components can differ—confirm by serial.\u003c\/li\u003e\n    \u003cli\u003eYear\/build info: A production label or sticker near the nameplate may indicate a build year or series. Use this along with the serial number to verify parts.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"engine-overview\" style=\"max-width:1000px;\"\u003e\n  \u003ch2\u003eEngine Overview\u003c\/h2\u003e\n  \u003ch3\u003eParsun 9.8HP 4‑Stroke Platform\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;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;\"\u003eDescription\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eConfiguration\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eInline 2‑cylinder, SOHC, carbureted 4‑stroke; manual or electric start; tiller or remote control options.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eCommon Models\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eExamples include F9.8S (15\" shaft), F9.8L (20\" shaft), with M\/E for start type and R designations for remote control on some variants.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eAdvantages\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eLightweight portable power, quiet operation, good fuel economy, straightforward maintenance.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eMany service parts are shared with the Parsun F8 family; verify by serial number, shaft length, and start\/control configuration to ensure compatibility.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"service-kits\" style=\"max-width:1000px;\"\u003e\n  \u003ch2\u003eRoutine Maintenance \u0026amp; Service Parts\u003c\/h2\u003e\n  \u003cp\u003eIntervals below are general guidelines for typical recreational use. Always follow your official Parsun service manual and local 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 #e5e7eb;\"\u003eItem\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;\"\u003eInterval*\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;\"\u003eRemarks\u003c\/th\u003e\n        \u003cth style=\"text-align:left;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:6px 0;\"\u003eEngine oil + filter\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eEvery 100 hrs or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eUse FC‑W marine oil; verify viscosity in manual (often 10W‑30). Warm engine before draining.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\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:6px 0;\"\u003eGear oil (lower unit)\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eEvery 100 hrs or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eUse marine gear lube; inspect for water\/emulsion and metal on magnets. Replace seals if contamination found.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\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:6px 0;\"\u003eSpark plugs\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eInspect 100 hrs; replace 200 hrs or as needed\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eCheck gap and color; replace if fouled, worn, or cracked.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\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:6px 0;\"\u003eFuel filter (inline)\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eEvery 100 hrs or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eInspect for debris\/water. Replace more often with ethanol fuels or dirty tanks.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\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:6px 0;\"\u003eWater pump impeller\/kit\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eEvery 2 seasons or 200 hrs\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eReplace sooner if weak tell‑tale, overheat alarm, or sand\/silt use.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\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:6px 0;\"\u003eAnodes (zincs)\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eInspect quarterly; replace when 50% consumed\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eMatch alloy to water type (salt\/brackish\/fresh). Clean contact surfaces.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\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:6px 0;\"\u003ePropeller \u0026amp; cotter\/shear pin\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eCheck every trip\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eRemove prop periodically to clear line; inspect blades and hub for damage.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/propellers\"\u003ePropellers\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eBattery\/charging checks (E‑start)\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eMonthly\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eLoad‑test battery; verify charge voltage at idle and cruise.\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/electrical-items\"\u003eElectrical Items\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"common-parts\" style=\"max-width:1000px;\"\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\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\u003eInduction \u0026amp; Tuning – \u003ca href=\"https:\/\/seasierra.com\/collections\/carburetor\"\u003eCarburetor\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"troubleshooting\" style=\"max-width:1000px;\"\u003e\n  \u003ch2\u003eCommon Symptoms \u0026amp; Quick Checks\u003c\/h2\u003e\n  \u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;\"\u003eSymptom\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #e5e7eb;\"\u003eCheck First\u003c\/th\u003e\n        \u003cth style=\"text-align:left;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:6px 0;\"\u003eWeak tell‑tale or overheat alarm\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eInspect intake screens for debris; verify strong water stream; check thermostat function\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eWater pump kit, intake screen, thermostat\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003ePoor acceleration or power loss\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eConfirm fresh fuel; check inline filter; inspect spark plugs; verify prop pitch\/condition\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eFuel filter, spark plugs, carburetor repair kit, propeller\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eHard starting or rough idle\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003ePrime fuel bulb and check connectors; set choke\/enrichment properly; clean idle circuits\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eSpark plugs, carburetor kit, fuel line\/connector\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eGearcase noise or metal in gear oil\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eVerify oil level and condition; check for water intrusion; inspect prop shaft for fishing line\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eLower unit seal kit, prop shaft seals, gear lube\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eExcessive vibration\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003eCheck prop for bent\/damaged blades; inspect mounting hardware and bushings\u003c\/td\u003e\n        \u003ctd style=\"padding:6px 0;\"\u003ePropeller, prop hub, bushings\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"faq\" style=\"max-width:1000px;\"\u003e\n  \u003ch2\u003eFAQs\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eAre parts interchangeable between F8 and F9.8 models?\u003c\/summary\u003e\n    \u003cp\u003eMany service items and components are shared across the F8\/F9.8 platform, but certain pieces (carburetor jetting, gear ratios, electrical details) can vary by year or sub‑model. Confirm with the exact model\/serial before ordering.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhen should I replace the water pump impeller?\u003c\/summary\u003e\n    \u003cp\u003eAs a rule of thumb, replace the impeller every two seasons or about 200 hours, and sooner if the tell‑tale weakens, the engine overheats, or the motor sees sandy\/silty use.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should the gear oil be changed?\u003c\/summary\u003e\n    \u003cp\u003eChange lower unit gear oil every 100 hours or annually. Inspect the drained oil for water (milky\/emulsified) and metal, and address any seal issues promptly.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat information do you need to confirm part compatibility?\u003c\/summary\u003e\n    \u003cp\u003ePlease provide the full model designation, serial number, shaft length (S\/L), start type (manual\/electric), and control type (tiller\/remote). A clear photo of the nameplate also helps ensure accuracy.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"cta\" style=\"padding:16px;border:1px solid #e5e7eb;border-radius:8px;max-width:1000px;\"\u003e\n  \u003cp\u003eReady to find what you need? Browse our main Parsun collection by horsepower, year, and model to locate compatible parts.\u003c\/p\u003e\n  \u003cp\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/popular\" style=\"display:inline-block;padding:10px 14px;border:1px solid #1f2937;border-radius:6px;text-decoration:none;\"\u003eBrowse All Parsun Parts\u003c\/a\u003e\u003c\/p\u003e\n  \u003cp style=\"font-size:0.95em;color:#4b5563;\"\u003eIf you’re unsure about your model, send us a photo of the nameplate and the part you need and we’ll help verify compatibility.\u003c\/p\u003e\n\u003c\/section\u003e","products":[{"product_id":"water-pump-impeller-fits-mercury-tohatsu-nissan-8-9-9hp-4-stroke-6-8-9-8hp-2-stroke-replaces-47-8037481-3b2-65021-1","title":"Water Pump Impeller for Mercury 8\/9.9 HP 4-Stroke and Tohatsu\/Nissan 6\/8\/9.8 HP Outboards – Replaces 47-8037481, 3B2-65021-1","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 replacement \u003cstrong\u003ewater pump impeller\u003c\/strong\u003e is designed for selected Mercury, Tohatsu, and Nissan outboard cooling systems. It is a single impeller supplied for installation in the lower-unit water pump assembly.\u003c\/p\u003e\n  \u003cp\u003eCompany fitment data identifies this impeller for Mercury 8 HP and 9.9 HP 4-stroke engines, including the 209 cc configuration, as well as Tohatsu\/Nissan 6 HP, 8 HP, and 9.8 HP 2-stroke engines. It is also listed for Tohatsu MFS8 and MFS9.8 4-stroke models. Always compare the part number and the original impeller before ordering.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eReplacement water pump impeller for selected small outboard engines.\u003c\/li\u003e\n    \u003cli\u003eInstalls in the lower-unit water pump assembly.\u003c\/li\u003e\n    \u003cli\u003eSold as one impeller; the square drive key is not included.\u003c\/li\u003e\n    \u003cli\u003eAftermarket replacement component, not a manufacturer-branded OEM part.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003ePart Number References\u003c\/h2\u003e\n  \u003cp\u003eUse the following manufacturer and aftermarket references to help compare your original part. A matching number should be confirmed together with the engine model, horsepower, stroke, and year or serial-number requirements.\u003c\/p\u003e\n  \u003cdiv class=\"ss-table-wrap\"\u003e\n    \u003ctable class=\"ss-table\" aria-label=\"Part Number References\"\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n\u003cth\u003eBrand or Source\u003c\/th\u003e\n\u003cth\u003eReference Number\u003c\/th\u003e\n\u003cth\u003eReference Type\u003c\/th\u003e\n\u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003e3B2-65021-1\u003c\/td\u003e\n\u003ctd\u003eManufacturer reference\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003e3B2650211M\u003c\/td\u003e\n\u003ctd\u003eManufacturer reference\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMercury Marine\u003c\/td\u003e\n\u003ctd\u003e47-8037481\u003c\/td\u003e\n\u003ctd\u003eManufacturer reference\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMercury Marine\u003c\/td\u003e\n\u003ctd\u003e47-803748-1\u003c\/td\u003e\n\u003ctd\u003eManufacturer reference variation\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMercury Marine\u003c\/td\u003e\n\u003ctd\u003e8037481\u003c\/td\u003e\n\u003ctd\u003eReference number\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMercury Marine\u003c\/td\u003e\n\u003ctd\u003e8M0214945\u003c\/td\u003e\n\u003ctd\u003eReference number\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eSierra\u003c\/td\u003e\n\u003ctd\u003e18-8920\u003c\/td\u003e\n\u003ctd\u003eAftermarket reference\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eOMC \/ Evinrude Johnson\u003c\/td\u003e\n\u003ctd\u003e5040525\u003c\/td\u003e\n\u003ctd\u003eAdditional reference listed in company data\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eSierra\u003c\/td\u003e\n\u003ctd\u003e18-3086\u003c\/td\u003e\n\u003ctd\u003eCatalog cross-reference\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eCEF\u003c\/td\u003e\n\u003ctd\u003e500344\u003c\/td\u003e\n\u003ctd\u003eCatalog cross-reference\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMallory\u003c\/td\u003e\n\u003ctd\u003e9-45210\u003c\/td\u003e\n\u003ctd\u003eCatalog cross-reference\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003ch2\u003eEngine Compatibility\u003c\/h2\u003e\n  \u003cp\u003eThe fitment below combines the exact company product records with compatible catalog applications. It is not an exhaustive list of every engine variation. Confirm the complete model designation and serial-number range for your engine before installation.\u003c\/p\u003e\n  \u003cdiv class=\"ss-table-wrap\"\u003e\n    \u003ctable class=\"ss-table\" aria-label=\"Engine Compatibility\"\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eEngine or Model Family\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\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e8 HP and 9.9 HP, including 209 cc models\u003c\/td\u003e\n\u003ctd\u003e8\/9.9 HP\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e47-8037481; 47-803748-1\u003c\/td\u003e\n\u003ctd\u003eCompany-listed Mercury fitment. Confirm the exact model and serial range.\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eM6\/M8\/M9.8B\u003c\/td\u003e\n\u003ctd\u003e6\/8\/9.8 HP\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e3B2-65021-1\u003c\/td\u003e\n\u003ctd\u003eCatalog applications include model years 2013–2022; exact serial conditions may vary.\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eMFS6\/MFS8\/MFS9.8 and MFS8\/MFS9.8A3\u003c\/td\u003e\n\u003ctd\u003e6\/8\/9.8 HP\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e3B2-65021-1\u003c\/td\u003e\n\u003ctd\u003eCompany-listed MFS8\/MFS9.8 fitment; catalog applications include multiple model-year variants.\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eSelected 6\/8\/9.8 HP outboards sharing the listed application\u003c\/td\u003e\n\u003ctd\u003e6\/8\/9.8 HP\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e3B2-65021-1\u003c\/td\u003e\n\u003ctd\u003eCompany-listed Nissan\/Tohatsu application. Verify the original impeller and model details.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003ch2\u003eTechnical Information\u003c\/h2\u003e\n  \u003cdl\u003e\n    \u003cdt\u003eProduct Type\u003c\/dt\u003e\n    \u003cdd\u003eWater pump impeller\u003c\/dd\u003e\n    \u003cdt\u003eProduct Construction\u003c\/dt\u003e\n    \u003cdd\u003eRubber impeller with a driveshaft hub\u003c\/dd\u003e\n    \u003cdt\u003eInstallation Location\u003c\/dt\u003e\n    \u003cdd\u003eLower-unit water pump assembly\u003c\/dd\u003e\n    \u003cdt\u003eQuantity\u003c\/dt\u003e\n    \u003cdd\u003eOne impeller\u003c\/dd\u003e\n    \u003cdt\u003eDrive Key\u003c\/dt\u003e\n    \u003cdd\u003eNot included; reuse or replace the key separately if required by the engine manufacturer\u003c\/dd\u003e\n    \u003cdt\u003eBrand Status\u003c\/dt\u003e\n    \u003cdd\u003eAftermarket replacement component\u003c\/dd\u003e\n  \u003c\/dl\u003e\n\n  \u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e1 x Water pump impeller\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\u003cstrong\u003eNot included:\u003c\/strong\u003e square drive key, water pump housing, gaskets, seals, or other lower-unit service parts.\u003c\/p\u003e\n\n  \u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n  \u003col\u003e\n    \u003cli\u003eRefer to the engine service manual and place the engine in a safe, stable position before beginning work.\u003c\/li\u003e\n    \u003cli\u003eDisconnect the battery or ignition power as appropriate and prevent accidental starting.\u003c\/li\u003e\n    \u003cli\u003eRemove the lower unit according to the manufacturer's procedure.\u003c\/li\u003e\n    \u003cli\u003eOpen the water pump housing and remove the old impeller. Note the position of the drive key and the direction of the vanes.\u003c\/li\u003e\n    \u003cli\u003eInspect the housing, wear plate, seals, and drive key for wear or damage. Replace damaged parts before reassembly.\u003c\/li\u003e\n    \u003cli\u003eInstall the correct key if required, then fit the new impeller onto the driveshaft. Use a suitable lubricant recommended for water-pump service.\u003c\/li\u003e\n    \u003cli\u003eReinstall the water pump housing and any gaskets or seals in the correct positions.\u003c\/li\u003e\n    \u003cli\u003eReattach the lower unit and tighten all fasteners to the service-manual specifications.\u003c\/li\u003e\n    \u003cli\u003eRun the engine only in an appropriate test tank or in the water. Confirm a steady cooling-water tell-tale stream and check for overheating or leaks.\u003c\/li\u003e\n  \u003c\/ol\u003e\n\n  \u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow do I confirm fitment?\u003c\/summary\u003e\n    \u003cp\u003eCompare your original impeller or service-manual number with the references listed above, then verify the complete engine brand, model, horsepower, stroke, year, and serial-number range. Do not rely on horsepower alone.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat are the signs of a worn impeller?\u003c\/summary\u003e\n    \u003cp\u003eCommon signs include a weak or intermittent tell-tale stream, overheating, reduced cooling-water flow, cracked or stiff vanes, missing vane material, or an impeller that has taken a permanent set.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eDoes this product include the square key?\u003c\/summary\u003e\n    \u003cp\u003eNo. The company product record identifies this as a single impeller, not a kit. The drive key is not included and must be reused or sourced separately when required.\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 manufacturer and aftermarket numbers shown on this page are reference numbers used for fitment comparison.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should an impeller be replaced?\u003c\/summary\u003e\n    \u003cp\u003eFollow the maintenance interval in your engine manufacturer's service manual. Inspect the impeller regularly and replace it sooner if the engine has been operated in sandy, silty, or debris-filled water or if cooling-water flow declines.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003ch2\u003eSafety \u0026amp; Important Information\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eConfirm the exact engine application before purchase and installation.\u003c\/li\u003e\n    \u003cli\u003eKeep horsepower, stroke, model, year, and serial-number conditions together when checking compatibility.\u003c\/li\u003e\n    \u003cli\u003eDo not operate an outboard without adequate cooling-water supply.\u003c\/li\u003e\n    \u003cli\u003eReplace damaged gaskets, seals, wear plates, or drive keys as needed during water-pump service.\u003c\/li\u003e\n    \u003cli\u003eProfessional installation is recommended if you are unfamiliar with lower-unit or water-pump service.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMarine Replacement Parts\u003c\/strong\u003e — Practical replacement components for routine outboard maintenance and repair.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eApplication-Focused Listings\u003c\/strong\u003e — Product references and fitment information are provided to help you compare the original part.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eValue for Maintenance\u003c\/strong\u003e — Aftermarket components for keeping essential marine systems in service.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723979886907,"sku":"17IT006","price":14.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/17IT0061_d97e4bfa-c23b-43ff-9164-cbf5578e8c07.jpg?v=1763039189"},{"product_id":"fuel-pump-fits-yamaha-parsun-outboard-engines-6-9-9-hp-replaces-68t-24410-01-00-68t-24410-02-00","title":"Aftermarket Fuel Pump Assembly for Yamaha and Parsun 6–9.9 HP 4-Stroke Outboards – Replaces 68T-24410-01-00 and 68T-24410-02-00","description":"\u003csection\u003e\n\u003cstyle\u003e\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n  table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n  table.ss-table th, table.ss-table td {\n    padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n  }\n  table.ss-table th {\n    white-space:nowrap;\n    word-break:normal;\n    letter-spacing:normal;\n    font-weight:600;\n    background:#f8fafc;\n  }\n  @media (max-width:480px){\n    table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n  }\n\u003c\/style\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis aftermarket \u003cstrong\u003efuel pump assembly\u003c\/strong\u003e is designed as a replacement for selected Yamaha and Parsun 4-stroke outboard engines in the 6–9.9 HP range. Listed Yamaha applications include F6, F8, F9.9, T8, and T9.9 series engines, including various model and year configurations. It is also listed for Parsun F6, F8, and F9.8 series outboards. Always compare the original pump, mounting arrangement, and part number before ordering.\u003c\/p\u003e\n\u003cp\u003eThis replacement is listed against Yamaha part numbers \u003cstrong\u003e68T-24410-00-00\u003c\/strong\u003e, \u003cstrong\u003e68T-24410-01-00\u003c\/strong\u003e, and \u003cstrong\u003e68T-24410-02-00\u003c\/strong\u003e, as well as Parsun part number \u003cstrong\u003eF8-05070000\u003c\/strong\u003e and EMP reference \u003cstrong\u003e1399-39550\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAftermarket replacement for the original fuel pump assembly.\u003c\/li\u003e\n  \u003cli\u003eIncludes a pre-installed O-ring and a hose clamp for installation.\u003c\/li\u003e\n  \u003cli\u003ePlastic and metal construction intended for gasoline fuel-system service in marine environments.\u003c\/li\u003e\n  \u003cli\u003eFitment depends on the exact engine model, year, serial range, and original pump configuration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse the following references to compare the replacement with the pump installed on your engine.\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\u003cth\u003eReference Status\u003c\/th\u003e\n\u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e68T-24410-00-00\u003c\/td\u003e\n\u003ctd\u003eEarlier listed reference\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e68T-24410-01-00\u003c\/td\u003e\n\u003ctd\u003eListed replacement reference\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e68T-24410-02-00\u003c\/td\u003e\n\u003ctd\u003eLater listed replacement reference\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eParsun\u003c\/td\u003e\n\u003ctd\u003eF8-05070000\u003c\/td\u003e\n\u003ctd\u003eListed aftermarket\/OEM reference\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eEMP\u003c\/td\u003e\n\u003ctd\u003e1399-39550\u003c\/td\u003e\n\u003ctd\u003eListed aftermarket reference\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2\u003eEngine and Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eThe applications below reflect the listed fitment range. Confirm the exact model designation, production year, serial range, stroke, and original part number before installation.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Engine and Model Compatibility\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eStroke\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eReference Part 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\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eF6A, F6B, F6M\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2001–2005\u003c\/td\u003e\n\u003ctd\u003e68T-24410-01-00\u003c\/td\u003e\n\u003ctd\u003eListed with 68T-24410-02-00 as the later reference.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eF8C, F8M, F8E, F8D, F8PF, F8G\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2001–2021\u003c\/td\u003e\n\u003ctd\u003e68T-24410-01-00\u003c\/td\u003e\n\u003ctd\u003eListed with 68T-24410-02-00 as the later reference.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eF9.9F, F9.9M, F9.9E, F9.9G, F9.9J, F9.9L\u003c\/td\u003e\n\u003ctd\u003e9.9\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2008–2021\u003c\/td\u003e\n\u003ctd\u003e68T-24410-01-00\u003c\/td\u003e\n\u003ctd\u003eListed with 68T-24410-02-00 as the later reference.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003eT8 and T9.9 series\u003c\/td\u003e\n\u003ctd\u003e8, 9.9\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e2001–2021\u003c\/td\u003e\n\u003ctd\u003e68T-24410-01-00\u003c\/td\u003e\n\u003ctd\u003eHigh-thrust applications; verify the exact engine configuration.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eParsun\u003c\/td\u003e\n\u003ctd\u003eF6 series\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003ctd\u003eF8-05070000\u003c\/td\u003e\n\u003ctd\u003eVerify the original pump and mounting arrangement.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eParsun\u003c\/td\u003e\n\u003ctd\u003eF8 series\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003ctd\u003eF8-05070000\u003c\/td\u003e\n\u003ctd\u003eVerify the original pump and mounting arrangement.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eParsun\u003c\/td\u003e\n\u003ctd\u003eF9.8 series\u003c\/td\u003e\n\u003ctd\u003e9.8\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003ctd\u003eF8-05070000\u003c\/td\u003e\n\u003ctd\u003eVerify the original pump and mounting arrangement.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct Type\u003c\/dt\u003e\n  \u003cdd\u003eFuel pump assembly\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n  \u003cdd\u003eSelected Yamaha and Parsun 4-stroke gasoline outboards\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n  \u003cdd\u003eReplacement installation using the original mounting arrangement\u003c\/dd\u003e\n  \u003cdt\u003eFuel Type\u003c\/dt\u003e\n  \u003cdd\u003eGasoline\u003c\/dd\u003e\n  \u003cdt\u003eConnection\u003c\/dt\u003e\n  \u003cdd\u003eStandard hose connection with included clamp\u003c\/dd\u003e\n  \u003cdt\u003eHousing Material\u003c\/dt\u003e\n  \u003cdd\u003ePlastic and metal components\u003c\/dd\u003e\n  \u003cdt\u003eHousing Color\u003c\/dt\u003e\n  \u003cdd\u003eBlack and silver\u003c\/dd\u003e\n  \u003cdt\u003eApproximate Package Dimensions\u003c\/dt\u003e\n  \u003cdd\u003e100 × 90 × 60 mm\u003c\/dd\u003e\n  \u003cdt\u003eApproximate Weight\u003c\/dt\u003e\n  \u003cdd\u003e220 g (0.48 lb)\u003c\/dd\u003e\n  \u003cdt\u003eSeal\u003c\/dt\u003e\n  \u003cdd\u003ePre-installed O-ring, approximately 2.65 × 20 mm\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Fuel pump assembly\u003c\/li\u003e\n  \u003cli\u003e1 × Hose clamp\u003c\/li\u003e\n  \u003cli\u003e1 × Pre-installed O-ring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eTurn the engine off, allow it to cool, and disconnect the battery negative terminal where applicable.\u003c\/li\u003e\n  \u003cli\u003eRelieve fuel-system pressure according to the engine service manual.\u003c\/li\u003e\n  \u003cli\u003ePlace absorbent rags around the pump to contain spilled fuel.\u003c\/li\u003e\n  \u003cli\u003eDisconnect the fuel inlet and outlet hoses, noting their original orientation.\u003c\/li\u003e\n  \u003cli\u003eRemove the mounting fasteners and take off the old pump.\u003c\/li\u003e\n  \u003cli\u003eClean the mounting surface and remove fuel, dirt, or old gasket debris.\u003c\/li\u003e\n  \u003cli\u003ePosition the replacement pump with the O-ring correctly seated and tighten the mounting fasteners to the manufacturer's specification.\u003c\/li\u003e\n  \u003cli\u003eReconnect the fuel hoses to the correct ports and secure the connections with the supplied clamp where applicable.\u003c\/li\u003e\n  \u003cli\u003ePrime the fuel system according to the engine service manual and inspect all connections for leaks before starting.\u003c\/li\u003e\n  \u003cli\u003eAfter starting the engine, perform another leak check and stop immediately if fuel leakage is observed.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eTroubleshooting and FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat are common signs of a failing fuel pump?\u003c\/summary\u003e\u003cp\u003ePossible symptoms include hard starting, sputtering, loss of power, poor operation at higher speed, or insufficient fuel delivery. A fuel-system inspection and pressure test, when specified by the engine service manual, can help identify the cause.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this a diaphragm-style fuel pump?\u003c\/summary\u003e\u003cp\u003eThis replacement is intended for the mechanical fuel-pump applications listed above. Confirm the pump design, mounting pattern, and hose-port arrangement against the original component before installation.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eShould the O-ring be lubricated before installation?\u003c\/summary\u003e\u003cp\u003eFollow the engine service manual. If lubrication is permitted, use a light film of clean engine oil or a fuel-system-compatible lubricant to help prevent twisting or pinching during installation.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs there a fixed replacement interval?\u003c\/summary\u003e\u003cp\u003eReplacement timing depends on condition and engine use. Inspect the pump, hoses, connections, and surrounding area regularly, and replace the pump if fuel leakage, damaged components, or fuel-delivery problems are found.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eMy engine is not listed. Can I use this pump if the part number matches?\u003c\/summary\u003e\u003cp\u003eA matching manufacturer part number is a useful reference, but it does not replace verification of the model, year, serial range, mounting pattern, hose connections, and original pump appearance. Confirm all relevant details before ordering.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eAre special tools required?\u003c\/summary\u003e\u003cp\u003eStandard hand tools are generally used for this type of replacement. A torque wrench is recommended when tightening mounting fasteners to the engine manufacturer's specification.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this an OEM part?\u003c\/summary\u003e\u003cp\u003eNo. This listing is for an aftermarket replacement fuel pump assembly. Compare the replacement with the original part and verify the applicable reference number before installation.\u003c\/p\u003e\u003c\/details\u003e\n\u003ch2\u003eSafety and Important Information\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eWork in a well-ventilated area away from flames, sparks, and other ignition sources.\u003c\/li\u003e\n  \u003cli\u003eRelieve fuel pressure and clean up spilled fuel before starting the engine.\u003c\/li\u003e\n  \u003cli\u003eVerify the model, year, serial range, stroke, reference number, mounting pattern, and hose connections before ordering.\u003c\/li\u003e\n  \u003cli\u003eDo not operate the engine if a fuel leak is present.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended when the required service procedure is unfamiliar.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePro-Grade Standards\u003c\/strong\u003e — We supply marine replacement parts selected for dependable service in real-world conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFast Global Fulfillment\u003c\/strong\u003e — Standard and expedited delivery options are shown at checkout where available.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer-Direct Value\u003c\/strong\u003e — Practical replacement solutions with attention to materials and quality control.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723979919675,"sku":"QM-FP17006","price":38.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/QM-FP17006.png?v=1763039191"},{"product_id":"water-pump-impeller-fits-mercury-mariner-8-9-9-hp-4-stroke-6-8-9-8-hp-2-stroke-replaces-47-8037481-3b2-65021-1","title":"Water Pump Impeller – Fits Tohatsu\/Nissan 6, 8 \u0026 9.8 HP Outboards (Replaces 3B2-65021-1, CEF 500344)","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 high-quality \u003cstrong\u003ewater pump impeller\u003c\/strong\u003e is designed for selected Tohatsu and Nissan 6, 8, and 9.8 HP outboard engines. It replaces the original Tohatsu\/Nissan reference \u003cstrong\u003e3B2-65021-1\u003c\/strong\u003e and is matched to the CEF 500344 impeller specification for reliable water circulation through the outboard cooling system.\u003c\/p\u003e\n\u003cp\u003eThe impeller is installed in the lower-unit water pump assembly. Regular inspection and timely replacement help maintain cooling-water flow and reduce the risk of overheating caused by worn, cracked, or damaged impeller blades.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAftermarket replacement water pump impeller for selected small outboards.\u003c\/li\u003e\n\u003cli\u003eApplicable to the 6, 8, and 9.8 HP impeller application shown in the compatibility information below.\u003c\/li\u003e\n\u003cli\u003eDesigned for the lower-unit water pump assembly.\u003c\/li\u003e\n\u003cli\u003eVerify the engine model, stroke, year, serial number, and original impeller dimensions before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eThese are manufacturer and aftermarket reference numbers associated with this impeller application. They are provided for identification and cross-reference purposes only.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Part Number Cross-Reference\"\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\u003eTohatsu \/ Nissan\u003c\/td\u003e\n        \u003ctd\u003e3B2-65021-1\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eCEF\u003c\/td\u003e\n        \u003ctd\u003e500344\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eSierra\u003c\/td\u003e\n        \u003ctd\u003e18-8920\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eParsun\u003c\/td\u003e\n        \u003ctd\u003ePAF8-04000200\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eFitment must be confirmed against the complete engine identification information. Horsepower alone is not sufficient because water-pump components can vary by model family, stroke, year, and serial-number range.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Engine and Model Compatibility\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003eModel or Application\u003c\/th\u003e\n        \u003cth\u003eRated HP\u003c\/th\u003e\n        \u003cth\u003eStroke\u003c\/th\u003e\n        \u003cth\u003eOEM Reference\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\u003eTohatsu\u003c\/td\u003e\n        \u003ctd\u003eSelected 6, 8, and 9.8 HP models\u003c\/td\u003e\n        \u003ctd\u003e6 \/ 8 \/ 9.8\u003c\/td\u003e\n        \u003ctd\u003eConfirm for exact engine\u003c\/td\u003e\n        \u003ctd\u003e3B2-65021-1\u003c\/td\u003e\n        \u003ctd\u003eMatch the original impeller and engine identification before purchase.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eTohatsu\u003c\/td\u003e\n        \u003ctd\u003eMFS8 \/ MFS9.8 applications\u003c\/td\u003e\n        \u003ctd\u003e8 \/ 9.8\u003c\/td\u003e\n        \u003ctd\u003e4-Stroke\u003c\/td\u003e\n        \u003ctd\u003e3B2-65021-1\u003c\/td\u003e\n        \u003ctd\u003eConfirm the precise model and serial-number range.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eNissan\u003c\/td\u003e\n        \u003ctd\u003eSelected engines sharing the 3B2-65021-1 application\u003c\/td\u003e\n        \u003ctd\u003e6 \/ 8 \/ 9.8\u003c\/td\u003e\n        \u003ctd\u003eConfirm for exact engine\u003c\/td\u003e\n        \u003ctd\u003e3B2-65021-1\u003c\/td\u003e\n        \u003ctd\u003eUse the original part number and dimensions for final verification.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eParsun\u003c\/td\u003e\n        \u003ctd\u003eSelected F6, F8, and F9.8 applications\u003c\/td\u003e\n        \u003ctd\u003e6 \/ 8 \/ 9.8\u003c\/td\u003e\n        \u003ctd\u003eConfirm for exact engine\u003c\/td\u003e\n        \u003ctd\u003ePAF8-04000200\u003c\/td\u003e\n        \u003ctd\u003eAftermarket cross-reference; verify against the engine and old impeller.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eTechnical 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\u003eReplaceable component in the lower-unit water pump assembly\u003c\/dd\u003e\n  \u003cdt\u003eMaterial\u003c\/dt\u003e\n  \u003cdd\u003eNeoprene rubber with a molded hub\u003c\/dd\u003e\n  \u003cdt\u003eOuter Diameter\u003c\/dt\u003e\n  \u003cdd\u003eApproximately 40 mm\u003c\/dd\u003e\n  \u003cdt\u003eHub Diameter\u003c\/dt\u003e\n  \u003cdd\u003eApproximately 18 mm\u003c\/dd\u003e\n  \u003cdt\u003eInner Shaft Opening\u003c\/dt\u003e\n  \u003cdd\u003eApproximately 12.1 mm; compare with the original impeller before installation\u003c\/dd\u003e\n  \u003cdt\u003eReference Specification\u003c\/dt\u003e\n  \u003cdd\u003eCEF 500344 \/ Tohatsu 3B2-65021-1 application\u003c\/dd\u003e\n  \u003cdt\u003eWarranty\u003c\/dt\u003e\n  \u003cdd\u003e1 year, subject to the applicable supplier terms\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Water pump impeller\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA drive key, gasket, housing, wear plate, and other water-pump components are not included unless specifically shown or stated in the order details.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eDisconnect the battery or otherwise disable the engine to prevent accidental starting.\u003c\/li\u003e\n\u003cli\u003ePlace a drain pan under the lower unit and remove the gear-oil drain and fill screws if lower-unit removal requires draining the gearcase.\u003c\/li\u003e\n\u003cli\u003eRemove the fasteners securing the lower unit to the mid-section and carefully lower the gearcase.\u003c\/li\u003e\n\u003cli\u003eRemove the water-pump housing cover to expose the impeller.\u003c\/li\u003e\n\u003cli\u003eRemove the old impeller and drive key if fitted. Note the key position and the direction in which the original blades were folded.\u003c\/li\u003e\n\u003cli\u003eClean debris and corrosion from the impeller housing and inspect the housing and wear plate for grooves, distortion, or other damage.\u003c\/li\u003e\n\u003cli\u003eInstall the original or correctly specified drive key, then fit the new impeller over the shaft.\u003c\/li\u003e\n\u003cli\u003eUse a suitable water-pump assembly lubricant during installation. Turn the driveshaft in the correct direction for the engine while seating the impeller blades.\u003c\/li\u003e\n\u003cli\u003eReinstall the water-pump housing and tighten its fasteners to the engine manufacturer’s specifications.\u003c\/li\u003e\n\u003cli\u003eReattach the lower unit, ensuring that the driveshaft, shift shaft, and water tube are properly aligned.\u003c\/li\u003e\n\u003cli\u003eRefill the gearcase with the specified marine gear oil if it was drained, following the engine manufacturer’s procedure.\u003c\/li\u003e\n\u003cli\u003eRun the engine only with an adequate water supply and confirm a strong, steady tell-tale stream before normal operation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I confirm this impeller fits my exact engine?\u003c\/summary\u003e\n\u003cp\u003eMatch the complete engine model, year, serial number, stroke, and original impeller reference. Also compare the old impeller’s outer diameter, hub, shaft opening, and drive-key arrangement. The 3B2-65021-1 application is associated with selected Tohatsu\/Nissan 6, 8, and 9.8 HP engines, but not every engine in those horsepower classes uses the same impeller.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat are the signs of a failing water-pump impeller?\u003c\/summary\u003e\n\u003cp\u003eCommon signs include a weak or missing tell-tale stream, an overheating warning, rising engine temperature, damaged or missing blades, or a rubber impeller that has become brittle or deformed.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow often should I replace the impeller?\u003c\/summary\u003e\n\u003cp\u003eInspect the impeller regularly and replace it according to the engine manufacturer’s maintenance schedule. Frequent use in saltwater, sand, silt, or polluted water can shorten service life and may require more frequent inspection.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs the drive key included?\u003c\/summary\u003e\n\u003cp\u003eNo drive key is included with this impeller listing unless the order details specifically state otherwise. Reuse the correct serviceable key or obtain the properly specified replacement key separately.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhy does the engine still overheat after replacing the impeller?\u003c\/summary\u003e\n\u003cp\u003eCheck the blade orientation, drive key, water-pump housing, wear plate, water-intake passages, water tube, thermostat, and cooling passages. A damaged housing or blocked cooling system can prevent proper water circulation even when the impeller is new.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs this an OEM part?\u003c\/summary\u003e\n\u003cp\u003eThis is an aftermarket replacement impeller. The listed manufacturer and aftermarket numbers are reference numbers used to help identify the intended application; they do not indicate that this product is manufactured by Tohatsu, Nissan, CEF, Sierra, or Parsun.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow fast is shipping and what does it cost?\u003c\/summary\u003e\n\u003cp\u003eTypical transit is 5–15 days. Standard shipping is free to most regions, with expedited options available at checkout where applicable.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the warranty and return policy?\u003c\/summary\u003e\n\u003cp\u003eThis product is covered by a 1-year warranty against manufacturing defects under normal use, subject to the applicable supplier terms. Returns are accepted within the standard return window for unused items in their original condition. Contact support for current policy details and return instructions.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eSafety \u0026amp; Important Information\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm the exact engine model, year, serial number, stroke, and original impeller dimensions before ordering.\u003c\/li\u003e\n\u003cli\u003eDo not rely on horsepower alone to determine fitment.\u003c\/li\u003e\n\u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended if you are unfamiliar with lower-unit or water-pump service.\u003c\/li\u003e\n\u003cli\u003eNever run an outboard without an adequate cooling-water supply.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePro-Grade Standards\u003c\/strong\u003e — We supply marine replacement parts selected for dependable service in real-world conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Global Fulfillment\u003c\/strong\u003e — Free standard delivery is available to most regions, with typical transit of 5–15 days.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer-Direct Value\u003c\/strong\u003e — Fair pricing with attention to material quality and production consistency.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723979952443,"sku":"24KM102-QM","price":19.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/24KM102-QM.png?v=1763039192"}],"url":"https:\/\/seasierra.com\/collections\/parsun-4-stroke-9-8hp-outboard-engine-parts.oembed","provider":"SeaSierra","version":"1.0","type":"link"}