{"title":"Force 2-Stroke 3.9-9.8HP Outboard Engine Parts","description":"\u003csection id=\"hero\" style=\"max-width: 1080px; margin: 0 auto; padding: 16px;\"\u003e\n  \u003cp\u003e\n    This page is dedicated to Force 2-Stroke 3.9–9.8HP outboard engines. Use it to find compatible parts and practical service information, including maintenance tips, common replacement items, and troubleshooting guidance. You can also browse the main Force collection for a wider selection. Scroll down to the bottom of the page to start browsing parts for this engine, and remember you can use the “Filter \u0026amp; Sort” controls on the collection page to narrow results by horsepower, year range, and part category.\n  \u003c\/p\u003e\n  \u003cp\u003e\n    \u003ca href=\"https:\/\/seasierra.com\/collections\/force-outboard-parts\" style=\"display:inline-block; padding:10px 14px; background:#0b5; color:#fff; text-decoration:none; border-radius:4px;\"\u003eBrowse All Force Parts\u003c\/a\u003e\n  \u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"identify-model\" style=\"max-width:1080px; margin:0 auto; padding:16px;\"\u003e\n  \u003ch2\u003eHow to Identify Your 3.9–9.8HP Model\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eNameplate location: Look on the transom clamp or swivel bracket for the model and serial number tag.\u003c\/li\u003e\n    \u003cli\u003eDecoding suffixes: Letters typically indicate shaft length (S\/L), start type (manual vs. electric), and sometimes control type (tiller vs. remote). Record the full code and serial.\u003c\/li\u003e\n    \u003cli\u003e2‑Stroke specifics: Most small Force engines are premix two-strokes; confirm the required fuel\/oil ratio on the cowl decal or in the manual (often 50:1 unless noted otherwise).\u003c\/li\u003e\n    \u003cli\u003ePlatform clues: Lower‑HP units (3.9–5HP) are commonly single‑cylinder; mid‑range (7.5–9.8HP) are typically twin‑cylinder. Rope start is common; some late models may have charging\/lighting coils.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"engine-overview\" style=\"max-width:1080px; margin:0 auto; padding:16px;\"\u003e\n  \u003ch2\u003ePlatform Overview\u003c\/h2\u003e\n  \u003ch3\u003eSmall Single‑Cylinder (3.9–5HP)\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;\"\u003eCarbureted 2‑stroke, typically single‑cylinder with tiller handle and manual start.\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;\"\u003e3.9–5HP 2‑stroke models (various shaft lengths and trim levels).\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, good portability for dinghies and small boats.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eVerify water pump kit and gearcase seal compatibility by serial. Premix fuel is required unless otherwise specified.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003eTwin‑Cylinder (7.5–9.8HP)\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;\"\u003eCarbureted 2‑stroke, typically twin‑cylinder with tiller or remote options.\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;\"\u003e7.5–9.8HP 2‑stroke models (short\/long shaft variants).\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eAdvantages\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eStronger low‑end torque and smoother running than single‑cylinder units.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eIgnition and gearcase parts can vary across years; confirm by model\/serial to ensure correct fit.\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:1080px; margin:0 auto; padding:16px;\"\u003e\n  \u003ch2\u003eRoutine Maintenance \u0026amp; Service Parts\u003c\/h2\u003e\n  \u003cp\u003eIntervals below are general guidelines for small 2‑stroke outboards. Always follow the official service manual for your exact model and operating conditions.\u003c\/p\u003e\n  \u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eItem\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eInterval*\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eRemarks\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eParts Link\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\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;\"\u003eCheck for water (milky oil) and metal on drain plug magnet; replace gaskets at each service.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/force-outboard-parts\"\u003eForce Outboard Parts\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 annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eUse correct heat range and gap; two‑strokes can foul plugs if mixture is rich.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/spark-plug\"\u003eSpark Plugs\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInline fuel filter\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eEvery 50–100 hours\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eReplace more often with stale\/contaminated fuel; keep spare on board.\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 seasons (or sooner if weak tell‑tale)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eCritical for cooling; sand or weed use may require annual replacement.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/force-water-pump-repair-kits\"\u003eForce Water Pump Repair Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eAnodes (zincs)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect quarterly; replace when 50% consumed\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eUse correct alloy for your water (fresh, brackish, salt).\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 lines \u0026amp; primer bulb\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect each season; replace every 1–2 years\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eEthanol can harden hoses; check for cracks, softness, or leaks.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/hoses\"\u003eFuel Hoses\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eLower unit seal kit (as needed)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eIf water intrusion is found\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eMilky gear oil or leaking propshaft seal indicates service is required.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/force-lower-unit-seal-kits\"\u003eForce Lower Unit Seal Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003e2‑Stroke fuel\/oil mix\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eEvery refuel\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eConfirm the specified ratio (often 50:1). Use fresh gasoline and quality TC‑W3 oil.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/force-outboard-parts\"\u003eForce Outboard Parts\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:1080px; margin:0 auto; padding:16px;\"\u003e\n  \u003ch2\u003eFrequently Used Parts Categories\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eRoutine Service: \u003ca href=\"https:\/\/seasierra.com\/collections\/force-outboard-parts\"\u003eForce Outboard Parts\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eWater Pump \u0026amp; Cooling: \u003ca href=\"https:\/\/seasierra.com\/collections\/force-water-pump-repair-kits\"\u003eForce Water Pump Repair Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eGearcase Seals: \u003ca href=\"https:\/\/seasierra.com\/collections\/force-lower-unit-seal-kits\"\u003eForce Lower Unit Seal 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 \/ Tune‑Up: \u003ca href=\"https:\/\/seasierra.com\/collections\/spark-plug\"\u003eSpark Plugs\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003ePropellers \u0026amp; Hardware: \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  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"troubleshooting\" style=\"max-width:1080px; margin:0 auto; padding:16px;\"\u003e\n  \u003ch2\u003eCommon Symptoms \u0026amp; Quick Checks\u003c\/h2\u003e\n  \u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eSymptom\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eCheck First\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #ddd; padding:8px;\"\u003eRelated Parts\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eWeak tell‑tale stream or overheat alarm\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect intake screens for blockage, verify impeller condition, and confirm thermostat operation.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eWater pump kit, thermostat, intake screen\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\/cavitation, confirm tank venting and primer bulb firmness, clean carb jets.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003ePropeller, fuel filter, carburetor gasket\/jet kit, primer bulb\/hoses\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eHard starting or rough idle\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eVerify choke\/enrichment function, check plug condition and gap, inspect fuel for staleness.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eSpark plugs, ignition leads, carburetor kit, fuel filter\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;\"\u003eConfirm correct fuel\/oil ratio, adjust idle mixture, and ensure engine reaches proper operating temperature.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e2‑stroke oil, carburetor adjustment parts, thermostat\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eGearcase noise or metal in gear oil\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eDrain and inspect gear oil; look for water intrusion, damaged seals, or fishing line on propshaft.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eGear lube, gearcase seal kit, drain screw gaskets\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:1080px; margin:0 auto; padding:16px;\"\u003e\n  \u003ch2\u003eFAQs\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eAre parts interchangeable between different years or platforms?\u003c\/summary\u003e\n    \u003cp\u003eSome Force small‑HP components cross with Chrysler or later Mercury‑era designs, but ignition and gearcase details can vary by year. Always verify by model and serial before ordering.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhen should the impeller be replaced?\u003c\/summary\u003e\n    \u003cp\u003eAs a rule of thumb, every two seasons for light use, and annually if you operate in sand, weeds, or silty water—or any time the tell‑tale weakens or you see overheating symptoms.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should gear oil be changed?\u003c\/summary\u003e\n    \u003cp\u003eChange lower unit gear oil every 100 hours or at least once per year. If the oil looks milky or you find water, service the seals and replace the oil immediately.\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 model code, serial number, horsepower, approximate year, shaft length (short\/long), and whether it’s manual or electric start. A clear photo of the nameplate is very helpful.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"cta\" style=\"max-width:1080px; margin:0 auto; padding:16px;\"\u003e\n  \u003cp\u003eReady to find parts that fit your Force 2‑Stroke 3.9–9.8HP? Browse the main Force collection and use the filters to narrow by horsepower, year, and model.\u003c\/p\u003e\n  \u003cp\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/force-outboard-parts\" style=\"display:inline-block; padding:10px 14px; background:#0b5; color:#fff; text-decoration:none; border-radius:4px;\"\u003eShop Force Outboard Parts\u003c\/a\u003e\u003c\/p\u003e\n  \u003cp style=\"font-size:0.95em; color:#333;\"\u003eIf you’re unsure about your model, send us a clear photo of the nameplate and the part you need and we’ll help verify compatibility.\u003c\/p\u003e\n\u003c\/section\u003e","products":[{"product_id":"water-pump-impeller-kit-fits-mercury-mariner-3-9-9-8-hp-replaces-46-92970a5-47-89980q1","title":"Water Pump Service Kit with Housing – for Mercury\/Mariner 2-Stroke 3.5, 3.6, 4, 7.5 \u0026 9.8 HP – Replaces 46-92970A5, 47-89980T1, 47-89980Q1","description":"\u003csection\u003e\n\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\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003eWater Pump Service Kit with Housing\u003c\/strong\u003e is an aftermarket replacement assembly for selected Mercury and Mariner 2-stroke outboards. The company product specification identifies the kit for 3.5 HP, 3.6 HP, 4 HP, 7.5 HP and 9.8 HP applications.\u003c\/p\u003e\n\u003cp\u003eThe kit is identified as GLM Marine 12271 and includes the water-pump base and pump housing together with the impeller service components. It is associated with Mercury\/Mariner references 47-89980T1, 47-89980Q1, 92970A5, 89980T1, 89980Q1 and 46-92970A5.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWater pump service kit supplied with the base and pump housing.\u003c\/li\u003e\n  \u003cli\u003eFor selected Mercury and Mariner 2-stroke outboards from 3.5 HP to 9.8 HP.\u003c\/li\u003e\n  \u003cli\u003eUses the 0.438-inch impeller inside diameter associated with the 47-89980T1 application.\u003c\/li\u003e\n  \u003cli\u003eVerify the exact engine model, serial range and existing pump components before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eThe following numbers are reference points associated with this replacement kit or its application. Part-number references do not replace model and serial-number verification.\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 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\u003eGLM Marine\u003c\/td\u003e\n\u003ctd\u003e12271\u003c\/td\u003e\n\u003ctd\u003eAftermarket service-kit reference\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e46-92970A5\u003c\/td\u003e\n\u003ctd\u003eWater-pump repair-kit reference\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e47-89980T1\u003c\/td\u003e\n\u003ctd\u003eOEM application reference\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e47-89980Q1\u003c\/td\u003e\n\u003ctd\u003eCompany-listed application reference\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e92970A5\u003c\/td\u003e\n\u003ctd\u003eCompany-listed reference\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e89980T1\u003c\/td\u003e\n\u003ctd\u003eCompany-listed reference\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e89980Q1\u003c\/td\u003e\n\u003ctd\u003eCompany-listed 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\u003eThis kit is listed for selected Mercury and Mariner 2-stroke outboards in the horsepower range shown below. Compatibility can vary by model, production year and serial number, so compare your original pump assembly 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\u003eStroke\u003c\/th\u003e\n        \u003cth\u003eRated HP\u003c\/th\u003e\n        \u003cth\u003eApplication Reference\u003c\/th\u003e\n        \u003cth\u003eImportant 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\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e3.5\u003c\/td\u003e\n        \u003ctd\u003e47-89980T1 \/ 46-92970A5\u003c\/td\u003e\n        \u003ctd\u003eVerify model and serial number\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e3.6\u003c\/td\u003e\n        \u003ctd\u003e47-89980T1 \/ 46-92970A5\u003c\/td\u003e\n        \u003ctd\u003eVerify model and serial number\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e4\u003c\/td\u003e\n        \u003ctd\u003e47-89980T1 \/ 46-92970A5\u003c\/td\u003e\n        \u003ctd\u003eVerify pump housing and impeller dimensions\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMariner\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e3.5\u003c\/td\u003e\n        \u003ctd\u003e47-89980T1 \/ 46-92970A5\u003c\/td\u003e\n        \u003ctd\u003eVerify model and serial number\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMariner\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e3.6\u003c\/td\u003e\n        \u003ctd\u003e47-89980T1 \/ 46-92970A5\u003c\/td\u003e\n        \u003ctd\u003eVerify model and serial number\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMariner\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e4\u003c\/td\u003e\n        \u003ctd\u003e47-89980T1 \/ 46-92970A5\u003c\/td\u003e\n        \u003ctd\u003eVerify pump housing and impeller dimensions\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e7.5\u003c\/td\u003e\n        \u003ctd\u003e47-89980T1 \/ 46-92970A5\u003c\/td\u003e\n        \u003ctd\u003eConfirm serial range before ordering\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e9.8\u003c\/td\u003e\n        \u003ctd\u003e47-89980T1 \/ 46-92970A5\u003c\/td\u003e\n        \u003ctd\u003eConfirm serial range before ordering\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 base and pump housing\u003c\/dd\u003e\n  \u003cdt\u003eBrand or Series\u003c\/dt\u003e\n  \u003cdd\u003eGLM Marine 12271 aftermarket replacement\u003c\/dd\u003e\n  \u003cdt\u003eEngine Type\u003c\/dt\u003e\n  \u003cdd\u003eSelected Mercury and Mariner 2-stroke outboards\u003c\/dd\u003e\n  \u003cdt\u003eListed Horsepower Applications\u003c\/dt\u003e\n  \u003cdd\u003e3.5 HP, 3.6 HP, 4 HP, 7.5 HP and 9.8 HP\u003c\/dd\u003e\n  \u003cdt\u003eImpeller Inside Diameter\u003c\/dt\u003e\n  \u003cdd\u003e0.438 inch, associated with the 47-89980T1 application\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n  \u003cdd\u003eReplacement water-pump service component; confirm fitment before installation\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 impeller service component\u003c\/li\u003e\n  \u003cli\u003eWater pump base\u003c\/li\u003e\n  \u003cli\u003eWater pump housing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eExact small hardware and gasket contents are not specified in the product record. Reuse or replace additional service items only after comparing them with the original assembly and the engine service procedure.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eDisconnect the battery and remove the spark-plug leads before beginning work.\u003c\/li\u003e\n  \u003cli\u003ePlace the outboard in neutral and remove the lower unit according to the engine manufacturer's service procedure.\u003c\/li\u003e\n  \u003cli\u003eDisconnect the shift linkage or shaft and water tube as required for the specific model.\u003c\/li\u003e\n  \u003cli\u003eRemove the original water-pump housing and impeller assembly, keeping the original parts for comparison.\u003c\/li\u003e\n  \u003cli\u003eClean the mating surfaces and inspect the driveshaft, keyway, water tube and pump components for wear or damage.\u003c\/li\u003e\n  \u003cli\u003eInstall the replacement base, impeller and housing in the same orientation as the original assembly.\u003c\/li\u003e\n  \u003cli\u003eTurn the driveshaft in the correct direction while seating the housing so the impeller vanes are not folded incorrectly.\u003c\/li\u003e\n  \u003cli\u003eReinstall the lower unit, align the driveshaft, shift shaft and water tube, and tighten fasteners to the engine manufacturer's specifications.\u003c\/li\u003e\n  \u003cli\u003eRun the engine only in an appropriate water supply and confirm a steady cooling-water tell-tale stream before normal operation.\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 this kit fits my engine?\u003c\/summary\u003e\n  \u003cp\u003eConfirm that your engine is a Mercury or Mariner 2-stroke model listed for 3.5, 3.6, 4, 7.5 or 9.8 HP. Then compare the engine model, serial number, original pump housing and impeller dimensions with the application information before ordering.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat is the most important dimensional check?\u003c\/summary\u003e\n  \u003cp\u003eThe associated impeller application uses a 0.438-inch inside diameter. Check the impeller, driveshaft and pump housing against your original components because horsepower alone does not establish fitment.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat are the signs of a worn water-pump impeller?\u003c\/summary\u003e\n  \u003cp\u003eCommon signs include a weak or intermittent tell-tale stream, higher-than-normal engine temperature or damaged, cracked, brittle or missing impeller vanes.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eDoes this listing include the pump housing?\u003c\/summary\u003e\n  \u003cp\u003eYes. The company product record describes this item as GLM Marine 12271 with the water-pump base and pump housing.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs this an OEM Mercury component?\u003c\/summary\u003e\n  \u003cp\u003eNo. This is an aftermarket replacement associated with the listed Mercury and Mariner application references. Mercury and Mariner names and part numbers are used only to identify compatibility.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eShould I replace the impeller as preventive maintenance?\u003c\/summary\u003e\n  \u003cp\u003eInspect the impeller regularly and replace it when the vanes show wear, hardening, cracking or deformation. Follow the maintenance interval and service instructions for your exact engine.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Information\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eConfirm engine model, serial number, stroke, horsepower and pump dimensions before ordering.\u003c\/li\u003e\n  \u003cli\u003eDo not rely on horsepower alone to determine fitment.\u003c\/li\u003e\n  \u003cli\u003eCompare the supplied housing and impeller with the original parts before installation.\u003c\/li\u003e\n  \u003cli\u003eUse the manufacturer's torque values and installation procedure for your exact outboard.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended if you are not familiar 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 — We supply replacement 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 match the correct service part.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eValue for Maintenance Work\u003c\/strong\u003e — Aftermarket alternatives help support practical water-pump servicing when the application is verified.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723964027195,"sku":"24KM017","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_46-92970A5_-_JLM_MARINE-8290109.jpg?v=1763038529"}],"url":"https:\/\/seasierra.com\/collections\/force-2-stroke-3-9-9-8hp-outboard-engine-parts.oembed","provider":"SeaSierra","version":"1.0","type":"link"}