{"title":"Mercury 4-9.8HP 2-Stroke Outboard Marine Engine Parts","description":"\u003csection id=\"hero\" style=\"padding:16px; border:1px solid #eee; border-radius:8px;\"\u003e\n  \u003cp\u003eThis page is for Mercury 2‑Stroke 4–9.8 HP outboard engines. Use it to find compatible parts and service information, including maintenance tips, common replacement parts, and troubleshooting guidance. You can also browse the main Mercury collection. Scroll to the bottom of this page to start browsing parts for this engine, and remember that on the collection page you can use the Filter \u0026amp; Sort controls to narrow results by horsepower, year range, and part category.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/mercury-outboard-parts\" style=\"display:inline-block; padding:10px 16px; background:#0a4; color:#fff; text-decoration:none; border-radius:6px;\"\u003eBrowse All Mercury 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 4–9.8 HP Model\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eLocate the nameplate\/serial tag on the swivel bracket (port or starboard) or on the clamp bracket. The serial may also appear on an instruction plate above the steering tube.\u003c\/li\u003e\n    \u003cli\u003eRecord the full serial number and any suffixes; these determine exact parts fit by year and market (USA\/CAN\/AUS\/EU) and help resolve small changes within the same horsepower.\u003c\/li\u003e\n    \u003cli\u003eConfirm engine type and platform: many 4–6 HP are single‑cylinder 2‑strokes, while 7.5–9.8 HP are typically twin‑cylinder 2‑strokes. Some parts differ between these platforms.\u003c\/li\u003e\n    \u003cli\u003eVerify shaft length (short\/long) and controls (tiller vs. remote). Propeller and gearcase parts can vary with these options.\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\u003eSmall Portable 2‑Stroke (4–6 HP)\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;\"\u003eConfiguration\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eLightweight single‑cylinder, carbureted 2‑stroke outboards designed for portability and dinghy\/tender duty.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eCommon Models\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eClassic Mercury 4, 5, and 6 HP 2‑stroke variants produced across multiple years and regions.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eAdvantages\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eVery light, simple to service, easy starting, compact footprint.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eCarburetor, ignition, and cooling parts can change by serial range. Always match by serial and shaft length.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003eTwin‑Cylinder 2‑Stroke (7.5–9.8 HP)\u003c\/h3\u003e\n  \u003ctable style=\"width:100%; border-collapse:collapse; margin-top:12px;\"\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;\"\u003eConfiguration\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eTwo‑cylinder, carbureted 2‑stroke outboards widely used from the mid‑1970s through the mid‑2000s.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eCommon Models\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eMercury 7.5, 8, and 9.8 HP small twins for both short and long shaft applications.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eAdvantages\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eSmooth operation for their size, solid low‑to‑mid‑range torque, reliable with routine service.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eWater pump and gearcase components often vary by serial break and market. Propellers differ by pitch and shaft length.\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 2‑stroke Mercury outboards. Always follow your specific service manual and the decal on your engine.\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;\"\u003eGear oil (lower unit)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eEvery 100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect for water intrusion (milky oil). Replace drain gaskets; reseal gearcase if contamination is present.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/mercury-lower-unit-seal-kits\"\u003eMercury Lower Unit Seal Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eSpark plugs\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect every 50 hours; replace at 100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eVerify heat range and gap to spec. Replace if fouled or worn.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\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;\"\u003eFuel filter (inline)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eEvery 100 hours or when contaminated\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eReplace sooner for stale\/dirty fuel or storage issues.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/fuel-filters-1\"\u003eFuel Filters\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eWater pump impeller \/ kit\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eEvery 2–3 seasons (or 200 hours); inspect annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eEssential for cooling. Replace sooner if telltale is weak or after sand\/silt ingestion.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/mercury-water-pump-repair-kits\"\u003eMercury Water Pump Repair Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eAnodes (corrosion protection)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect every 50 hours; replace when 50% consumed\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eMatch anode material to your water (salt, brackish, fresh).\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\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;\"\u003eFuel\/oil mix or oil injection checks\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eEvery use (premix); inspect lines annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003ePremix per your manual (often 50:1 on many models). If equipped with oil injection, inspect\/replace oil lines and clamps.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/hoses\"\u003eHoses\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"common-parts\" style=\"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\/mercury-water-pump-repair-kits\"\u003eMercury Water Pump Repair Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eFuel System — \u003ca href=\"https:\/\/seasierra.com\/collections\/fuel-filters-1\"\u003eFuel Filters\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eIgnition \/ Electrical — \u003ca href=\"https:\/\/seasierra.com\/collections\/electrical-items\"\u003eElectrical Items\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\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\/mercury-lower-unit-seal-kits\"\u003eMercury Lower 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=\"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;\"\u003eWeak telltale \/ overheat alarm\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect intake screens for blockage; verify impeller condition; confirm thermostat operation.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eWater pump kit, intake screens, thermostat, gaskets, anodes.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003ePoor acceleration or power loss\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eCheck prop for damage or excessive pitch; replace fuel filter; inspect spark plugs; clean carburetor jets if fouled.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003ePropeller, fuel filter, spark plugs, carburetor components.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eHard starting \/ rough idle\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eVerify fresh fuel and correct premix; check primer bulb and fuel lines for air leaks; confirm choke\/enrichment operation; set plug gap.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eFuel hose, inline filter, spark plugs, choke\/enricher parts.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eExcessive smoke (2‑stroke)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eNormal at cold start; if persistent, verify mix ratio, choke function, and plug condition.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eSpark plugs, choke\/enricher components, fuel\/oil mix supplies.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eGearcase noise or metal in oil\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eDrain and inspect gear oil; check for water contamination; pressure test and reseal if needed.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eLower unit seal kit, drain screw gaskets, prop shaft seals.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"faq\" style=\"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\u003eSome service items carry across years, but many parts change by serial range and by platform (single‑cylinder vs. twin‑cylinder). Always match by serial number and configuration to ensure compatibility.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhen should the impeller be replaced?\u003c\/summary\u003e\n    \u003cp\u003eInspect yearly and replace every 2–3 seasons or about 200 hours. Replace immediately if the telltale is weak, the engine overheats, or the pump ingested sand\/silt.\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 once per season or every 100 hours. If the oil appears milky or metallic, 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 full serial number, horsepower, approximate year, shaft length (short\/long), and control type (tiller\/remote). Photos of the nameplate and the part you’re replacing are also helpful.\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 #eee; border-radius:8px;\"\u003e\n  \u003cp\u003eReady to find parts by horsepower, year, and model? Browse the main Mercury collection to filter and sort what you need.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/mercury-outboard-parts\" style=\"display:inline-block; padding:10px 16px; background:#0a4; color:#fff; text-decoration:none; border-radius:6px;\"\u003eShop Mercury Outboard Parts\u003c\/a\u003e\n  \u003cp style=\"margin-top:8px; color:#555;\"\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":"carburetor-rebuild-kit-fits-yamaha-3-8hp-tohatsu-nissan-4-9-8hp-2-stroke-outboards-replaces-6g1-w0093-00-00-369-87122-1","title":"Carburetor Repair Kit for Select Yamaha 3–8 HP and Tohatsu\/Nissan 4–9.8 HP 2-Stroke Outboards","description":"\u003csection\u003e\n\u003cstyle\u003e\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n  table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n  table.ss-table th, table.ss-table td { padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top; }\n  table.ss-table th { white-space:nowrap; word-break:normal; letter-spacing:normal; font-weight:600; background:#f8fafc; }\n  @media (max-width:480px){ table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; } }\n\u003c\/style\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis aftermarket \u003cstrong\u003ecarburetor repair kit\u003c\/strong\u003e is intended for select Yamaha, Tohatsu, and Nissan 2-stroke outboard carburetors. It helps renew common service components such as gaskets, seals, the float, needle valve, and related hardware when the existing carburetor body and jets remain serviceable.\u003c\/p\u003e\n\u003cp\u003eThe kit is associated with Yamaha reference number \u003cstrong\u003e6G1-W0093-00-00\u003c\/strong\u003e and Tohatsu\/Nissan reference number \u003cstrong\u003e369-87122-1\u003c\/strong\u003e. The same aftermarket reference is also listed against Mercury reference \u003cstrong\u003e11502M\u003c\/strong\u003e and Sierra reference \u003cstrong\u003e18-7765\u003c\/strong\u003e. Always compare the carburetor assembly, original part numbers, model code, year, and serial-number range before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAftermarket replacement for rebuilding a compatible carburetor.\u003c\/li\u003e\n  \u003cli\u003eHelps address worn gaskets, seals, float components, and needle-valve-related fuel issues.\u003c\/li\u003e\n  \u003cli\u003eFor gasoline-fueled 2-stroke outboards only.\u003c\/li\u003e\n  \u003cli\u003eDoes not replace the complete carburetor assembly and does not change jet sizes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number References\u003c\/h2\u003e\n\u003cp\u003eThese numbers are cross-reference leads for compatible applications, not a guarantee that every carburetor using the number is identical. Confirm the complete engine and carburetor application before installation.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n\u003ctable class=\"ss-table\" aria-label=\"Part Number References\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eReference number\u003c\/th\u003e\n\u003cth\u003eReference type\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e6G1-W0093-00-00\u003c\/td\u003e\n\u003ctd\u003ePrimary OEM reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e6G1-14301-01-00\u003c\/td\u003e\n\u003ctd\u003eCarburetor assembly reference used in selected applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e6G1-14301-02-00\u003c\/td\u003e\n\u003ctd\u003eCataloged cross-reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e6G1-14301-03-00\u003c\/td\u003e\n\u003ctd\u003eCataloged cross-reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e6G1-14301-10-00\u003c\/td\u003e\n\u003ctd\u003eCataloged cross-reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu \/ Nissan\u003c\/td\u003e\n\u003ctd\u003e369-87122-1\u003c\/td\u003e\n\u003ctd\u003eOEM reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu \/ Nissan\u003c\/td\u003e\n\u003ctd\u003e359-87122-1\u003c\/td\u003e\n\u003ctd\u003eReported superseded reference; verify before use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury Marine\u003c\/td\u003e\n\u003ctd\u003e11502M\u003c\/td\u003e\n\u003ctd\u003eAftermarket cross-reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSierra\u003c\/td\u003e\n\u003ctd\u003e18-7765\u003c\/td\u003e\n\u003ctd\u003eAftermarket cross-reference\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine Compatibility\u003c\/h2\u003e\n\u003cp\u003eAvailable catalog relationships identify this repair-kit reference in selected Yamaha 2-stroke applications, including 3 HP, 6 HP, and 8 HP models. Marketplace and aftermarket catalog references also associate it with selected Tohatsu\/Nissan 4 HP, 5 HP, 8 HP, and 9.8 HP models. Model codes, production years, and carburetor versions can differ, so the table below should be used as a starting point rather than a universal fitment claim.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n\u003ctable class=\"ss-table\" aria-label=\"Engine Compatibility\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eExample model families\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eStroke\u003c\/th\u003e\n\u003cth\u003eYear or range\u003c\/th\u003e\n\u003cth\u003eReference\u003c\/th\u003e\n\u003cth\u003eFitment note\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e3LG, 3SG and other selected 3 HP models\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eSelected cataloged years, including 1988 applications\u003c\/td\u003e\n\u003ctd\u003e6G1-W0093-00-00\u003c\/td\u003e\n\u003ctd\u003eConfirm model code and carburetor configuration.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e6LG, 6SG, 6LH, 6LJ, 6SH, 6SJ and other selected 6 HP models\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eSelected cataloged years, including 1986–1988 applications\u003c\/td\u003e\n\u003ctd\u003e6G1-W0093-00-00\u003c\/td\u003e\n\u003ctd\u003eDo not rely on horsepower alone.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e8LK, 8LN, 8SK, 8SN, 8LH, 8LJ, 8SH, 8SJ and other selected 8 HP models\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eSelected cataloged years, including 1984–1986 applications\u003c\/td\u003e\n\u003ctd\u003e6G1-W0093-00-00\u003c\/td\u003e\n\u003ctd\u003eMatch the carburetor assembly and original reference.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eM4 \/ NS4\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eYear and serial range must be confirmed\u003c\/td\u003e\n\u003ctd\u003e369-87122-1\u003c\/td\u003e\n\u003ctd\u003eVerify the exact engine model and carburetor.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eM5 \/ NS5\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eYear and serial range must be confirmed\u003c\/td\u003e\n\u003ctd\u003e369-87122-1\u003c\/td\u003e\n\u003ctd\u003eVerify the exact engine model and carburetor.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eM8 \/ NS8\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eYear and serial range must be confirmed\u003c\/td\u003e\n\u003ctd\u003e369-87122-1\u003c\/td\u003e\n\u003ctd\u003eVerify the exact engine model and carburetor.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eM9.8 \/ NS9.8\u003c\/td\u003e\n\u003ctd\u003e9.8\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eYear and serial range must be confirmed\u003c\/td\u003e\n\u003ctd\u003e369-87122-1\u003c\/td\u003e\n\u003ctd\u003eVerify the exact engine model and carburetor.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eNS4, NS5, NS8 and NS9.8 families\u003c\/td\u003e\n\u003ctd\u003e4–9.8\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eYear and serial range must be confirmed\u003c\/td\u003e\n\u003ctd\u003e369-87122-1\u003c\/td\u003e\n\u003ctd\u003eUse the original Nissan\/Tohatsu reference for confirmation.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct type\u003c\/dt\u003e\n\u003cdd\u003eAftermarket carburetor repair kit\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n\u003cdd\u003eSelect 2-stroke outboard carburetors\u003c\/dd\u003e\n  \u003cdt\u003eFuel type\u003c\/dt\u003e\n\u003cdd\u003eGasoline (petrol)\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eReplacement service parts for a compatible carburetor\u003c\/dd\u003e\n  \u003cdt\u003ePrimary reference\u003c\/dt\u003e\n\u003cdd\u003eYamaha 6G1-W0093-00-00\u003c\/dd\u003e\n  \u003cdt\u003eAdditional references\u003c\/dt\u003e\n\u003cdd\u003eTohatsu\/Nissan 369-87122-1, Mercury 11502M, and Sierra 18-7765\u003c\/dd\u003e\n  \u003cdt\u003eCarburetor assembly note\u003c\/dt\u003e\n\u003cdd\u003eCompatibility depends on the exact carburetor version; the kit is not a complete carburetor assembly.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eTypical Kit Components\u003c\/h2\u003e\n\u003cp\u003eComponents supplied for this repair-kit reference may include the following service parts. Compare the product photos and your original carburetor before installation, because component configuration can vary between applications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePilot screw\u003c\/li\u003e\n  \u003cli\u003eCaps and gaskets\u003c\/li\u003e\n  \u003cli\u003eO-ring\u003c\/li\u003e\n  \u003cli\u003eScrews with washers\u003c\/li\u003e\n  \u003cli\u003eFloat\u003c\/li\u003e\n  \u003cli\u003eNeedle valve\u003c\/li\u003e\n  \u003cli\u003eFloat pin\u003c\/li\u003e\n  \u003cli\u003eFloat-arm pin\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eShut off the fuel supply, disconnect the battery where applicable, and work in a well-ventilated area away from ignition sources.\u003c\/li\u003e\n  \u003cli\u003eDisconnect the fuel line and remove the air intake components as required to access the carburetor.\u003c\/li\u003e\n  \u003cli\u003ePhotograph or document throttle, choke, and fuel-line connections before removal.\u003c\/li\u003e\n  \u003cli\u003eRemove the carburetor and place it on a clean work surface.\u003c\/li\u003e\n  \u003cli\u003eDisassemble the carburetor carefully and retain the original parts until each replacement part has been identified.\u003c\/li\u003e\n  \u003cli\u003eClean the reusable metal components and passages with suitable carburetor cleaner. Do not enlarge jets or use hard wire that could damage calibrated openings.\u003c\/li\u003e\n  \u003cli\u003eInstall the replacement gasket, O-ring, float, needle valve, pins, screws, and other matching service parts.\u003c\/li\u003e\n  \u003cli\u003eReassemble the carburetor using the engine service manual for torque values, float height, and adjustment procedures.\u003c\/li\u003e\n  \u003cli\u003eReinstall the carburetor, reconnect all lines and linkages, and check carefully for fuel leaks.\u003c\/li\u003e\n  \u003cli\u003eStart and tune the engine only after confirming correct fuel flow and safe operating conditions.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eHow do I confirm compatibility?\u003c\/summary\u003e\u003cp\u003eMatch the engine brand, exact model code, horsepower, stroke, year, and serial-number range. Then compare the carburetor body, gasket shape, float, needle valve, and original reference number with the product information and photos.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat symptoms can indicate a carburetor rebuild is needed?\u003c\/summary\u003e\u003cp\u003eCommon symptoms include hard starting, unstable idle, stalling, hesitation, poor acceleration, fuel leakage, or a fuel mixture problem caused by worn or contaminated service parts. These symptoms can also result from ignition, fuel-supply, compression, or adjustment faults.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes this kit change jetting?\u003c\/summary\u003e\u003cp\u003eNo. This is a repair kit, not a performance jet kit. It is intended to replace compatible service parts and does not change the calibrated jet sizes.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I use the kit on a modified engine?\u003c\/summary\u003e\u003cp\u003eOnly if the replacement components match the carburetor and the engine's intended calibration. Modified engines may require different jetting or tuning that this repair kit does not provide.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this an OEM part?\u003c\/summary\u003e\u003cp\u003eNo. This is an aftermarket replacement kit. The OEM and aftermarket numbers shown above are provided for application and cross-reference purposes.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eShould I reuse old gaskets or O-rings?\u003c\/summary\u003e\u003cp\u003eNo. Reuse can lead to air or fuel leaks. Replace worn or removed sealing components with the correct parts supplied for the compatible application.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Information\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eFuel is flammable. Work in a ventilated area and keep the product away from heat, sparks, and open flames.\u003c\/li\u003e\n  \u003cli\u003eConfirm the exact model, year, serial number, carburetor version, and original part number before ordering.\u003c\/li\u003e\n  \u003cli\u003eDo not install this kit if the carburetor body is damaged or if the supplied parts do not match the original components.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended when carburetor adjustment, float height, or fuel-system diagnosis is required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cp\u003eSea Sierra supplies aftermarket marine replacement parts for maintenance and repair applications. Product references are provided to help customers compare compatible parts; always verify fitment against the engine and carburetor manufacturer's specifications before installation.\u003c\/p\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723968483643,"sku":"17CR001","price":22.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/17CR001-1.jpg?v=1763038716"},{"product_id":"water-pump-impeller-kit-fits-mercury-4-9-8-hp-replaces-46-70941a3","title":"Water Pump Service Kit with Housing – Fits Mercury Mariner 2-Stroke 4–9.8 HP","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 \u003cstrong\u003eWater Pump Service Kit with Housing\u003c\/strong\u003e is an aftermarket replacement for selected Mercury Mariner 2-stroke outboard water-pump applications. The service kit includes the water-pump housing and is intended to renew the pump assembly and help restore proper cooling-water circulation.\u003c\/p\u003e\n\u003cp\u003eCompany fitment information lists Mercury Mariner outboards rated at \u003cstrong\u003e4 HP, 4.5 HP, 6 HP, 7.5 HP, and 9.8 HP\u003c\/strong\u003e. The 9.8 HP application is commonly identified as Model 110. Confirm the complete engine model, serial-number range, and the original water-pump assembly before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWater-pump service kit with housing.\u003c\/li\u003e\n  \u003cli\u003eDesigned for selected Mercury Mariner 2-stroke outboards.\u003c\/li\u003e\n  \u003cli\u003eHelps restore water-pump performance during cooling-system service.\u003c\/li\u003e\n  \u003cli\u003eVerify the original housing, impeller, and reference numbers before installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number References\u003c\/h2\u003e\n\u003cp\u003eThe following OEM and aftermarket references are listed for identification and cross-reference purposes. A reference number alone does not confirm fitment for every engine configuration.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Part Number References\"\u003e\n    \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand or Source\u003c\/th\u003e\n\u003cth\u003eReference Number\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury Mariner\u003c\/td\u003e\n\u003ctd\u003e46-70941A3\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury Mariner\u003c\/td\u003e\n\u003ctd\u003e46-46893A6\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury Mariner\u003c\/td\u003e\n\u003ctd\u003e47-22748\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury Mariner\u003c\/td\u003e\n\u003ctd\u003e46-70941A1\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eGLM Marine\u003c\/td\u003e\n\u003ctd\u003e12122\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eSierra \/ SEI \/ West Marine\u003c\/td\u003e\n\u003ctd\u003e18-3446\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eSierra \/ SEI \/ West Marine\u003c\/td\u003e\n\u003ctd\u003e18-3447\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\u003eUse the following compatibility information as a starting point. Mercury and Mariner applications can vary by model designation and serial-number range, so compare the original parts and engine identification label before purchase.\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 Type\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eStroke\u003c\/th\u003e\n\u003cth\u003eModel or Notes\u003c\/th\u003e\n\u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury Mariner\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e4 HP\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eConfirm model and serial number\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury Mariner\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e4.5 HP\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eConfirm model and serial number\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury Mariner\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e6 HP\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eConfirm model and serial number\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury Mariner\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e7.5 HP\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eModel 75 application; confirm serial number\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury Mariner\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e9.8 HP\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eModel 110 application; confirm serial number\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct Type\u003c\/dt\u003e\n  \u003cdd\u003eWater pump service kit with housing\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n  \u003cdd\u003eSelected Mercury Mariner 2-stroke outboards\u003c\/dd\u003e\n  \u003cdt\u003eRated Horsepower Range\u003c\/dt\u003e\n  \u003cdd\u003e4 HP, 4.5 HP, 6 HP, 7.5 HP, and 9.8 HP\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n  \u003cdd\u003eReplacement water-pump service installation\u003c\/dd\u003e\n  \u003cdt\u003eFitment Verification\u003c\/dt\u003e\n  \u003cdd\u003eMatch engine model, serial number, original housing, and reference number\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eWater-pump housing\u003c\/li\u003e\n  \u003cli\u003eWater-pump service-kit components supplied for the listed application\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eComponent appearance and included service parts can vary by application. Confirm the supplied components against the product image and your original assembly before beginning installation.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eSwitch off the engine, remove the ignition key, and follow the manufacturer's safety procedures.\u003c\/li\u003e\n  \u003cli\u003eConfirm the engine model, serial number, and existing water-pump configuration before disassembly.\u003c\/li\u003e\n  \u003cli\u003eRemove the lower unit according to the service manual for your specific outboard.\u003c\/li\u003e\n  \u003cli\u003eRemove the water-pump cover and the old pump components. Note the impeller-vane orientation and the position of any locating parts.\u003c\/li\u003e\n  \u003cli\u003eClean the mating surfaces and pump cavity. Replace damaged sealing parts with the correct supplied parts or approved replacements.\u003c\/li\u003e\n  \u003cli\u003eInstall the new housing and service components in the correct order. Lubricate the impeller with clean water or a lubricant approved for the application; do not run a dry pump.\u003c\/li\u003e\n  \u003cli\u003eReinstall the pump cover and lower unit using the manufacturer's torque sequence and specifications.\u003c\/li\u003e\n  \u003cli\u003eTest the engine in an appropriate water supply and confirm a steady cooling-water discharge before normal operation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eMaintenance and Troubleshooting\u003c\/h2\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow do I confirm that this service kit fits my engine?\u003c\/summary\u003e\n  \u003cp\u003eCheck the engine brand, model designation, horsepower, stroke type, and serial number. Compare the original water-pump housing and impeller with the product image and compare your existing reference number with the references listed above.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat are the signs of a worn water-pump assembly?\u003c\/summary\u003e\n  \u003cp\u003eA weak or missing tell-tale stream, overheating, intermittent cooling-water flow, or a damaged, brittle, cracked, or missing impeller vane can indicate that the water-pump assembly requires service.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eDoes this listing include the water-pump housing?\u003c\/summary\u003e\n  \u003cp\u003eYes. The company product specification identifies this as a water-pump service kit with housing. Confirm the exact component layout against the product image before installation.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs this an OEM part?\u003c\/summary\u003e\n  \u003cp\u003eThis listing is for an aftermarket replacement service kit. The OEM and aftermarket numbers above are provided as application references and do not mean that the product is manufactured by Mercury, Mariner, GLM, Sierra, SEI, or West Marine.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eSafety and Important Information\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eDo not rely on horsepower alone to confirm fitment. Model and serial-number conditions must also match.\u003c\/li\u003e\n  \u003cli\u003eCompare the original housing, impeller dimensions, locating features, and sealing arrangement before installation.\u003c\/li\u003e\n  \u003cli\u003eUse the appropriate service manual and torque specifications for your engine.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended if you are not experienced with outboard lower-unit or water-pump service.\u003c\/li\u003e\n  \u003cli\u003eDo not operate an outboard with a suspected cooling-system fault or without confirming proper water flow after 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 — We supply aftermarket components for routine marine maintenance and repair.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication-Focused Listings\u003c\/strong\u003e — Product references and compatibility details are provided to help you compare your original part.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService Support\u003c\/strong\u003e — Review your engine identification and original assembly carefully before ordering or installing replacement parts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723968876859,"sku":"18KM005","price":45.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/Water_Pump_Impeller_Kit_for_Mercury_4-98_HP__46-70941A3_-_JLM_MARINE-8286329.jpg?v=1763038735"}],"url":"https:\/\/seasierra.com\/collections\/mercury-4-9-8hp-2-stroke-outboard-marine-engine-parts.oembed","provider":"SeaSierra","version":"1.0","type":"link"}