{"title":"Mercury 3.5HP 2-Stroke Outboard Engine Parts","description":"\u003csection id=\"hero\" style=\"padding:16px; border:1px solid #e5e7eb; border-radius:8px;\"\u003e\n  \u003cp\u003eThis page is dedicated to Mercury 2-Stroke 3.5HP outboard engines. Use it to find compatible parts and practical service information. Below you’ll find maintenance tips, common replacement parts, and troubleshooting guidance. You can also browse our main Mercury collection. Scroll to the bottom of this page to start browsing parts for this engine, and remember you can use the Filter \u0026amp; Sort controls on the collection page to narrow results by horsepower, year range, and part category\/section.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/mercury-outboard-parts\" style=\"display:inline-block; margin-top:8px; padding:10px 14px; background:#0b62d6; 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=\"max-width:960px; padding:20px 0;\"\u003e\n  \u003ch2\u003eHow to Identify Your 3.5HP Model\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eFind the nameplate\/serial plate on the transom clamp bracket (usually on the port side). Record the full serial number and any model code.\u003c\/li\u003e\n    \u003cli\u003eModel suffixes often indicate shaft length (short ≈ 15\", long ≈ 20\") and sometimes region or revision. Match these to parts notes where applicable.\u003c\/li\u003e\n    \u003cli\u003eThis is a 2‑Stroke engine: look for an integral top‑mount fuel tank, recoil starter, and a single carburetor. Verify 2‑Stroke vs. 4‑Stroke before ordering parts.\u003c\/li\u003e\n    \u003cli\u003eIf your motor has a long shaft, the driveshaft, water tube, and certain gear housing components differ from short‑shaft versions—confirm before purchase.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"engine-overview\" style=\"max-width:960px; padding:20px 0;\"\u003e\n  \u003ch2\u003eEngine Overview\u003c\/h2\u003e\n  \u003ch3\u003eMercury 3.5HP 2‑Stroke (Single‑Cylinder)\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; padding:8px;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:8px;\"\u003eDescription\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eConfiguration\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eSingle‑cylinder, carbureted 2‑Stroke with recoil start and integral fuel tank.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eCommon Models\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003e3.5HP 2‑Stroke short‑shaft and long‑shaft variants across multiple serial ranges.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eAdvantages\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eLightweight, simple mechanics, easy to service, reliable trolling power.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eSome parts vary by serial range and shaft length. Cooling and gearcase parts may differ between short and long shaft. Always match parts using your serial plate details.\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:960px; padding:20px 0;\"\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 your official service manual and adjust for heavy use, sandy\/silty water, or storage 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; padding:8px; border-bottom:1px solid #e5e7eb;\"\u003eItem\u003c\/th\u003e\n        \u003cth style=\"text-align:left; padding:8px; border-bottom:1px solid #e5e7eb;\"\u003eInterval*\u003c\/th\u003e\n        \u003cth style=\"text-align:left; padding:8px; border-bottom:1px solid #e5e7eb;\"\u003eRemarks\u003c\/th\u003e\n        \u003cth style=\"text-align:left; padding:8px; 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:8px; border-bottom:1px solid #f0f0f0;\"\u003eGear oil (lower unit)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eEvery 100 hrs or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eInspect for water (milky oil) and metal. Replace drain screw gaskets if needed.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\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; border-bottom:1px solid #f0f0f0;\"\u003eSpark plugs\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eInspect every 50 hrs; replace 100 hrs\/annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eUse the specified heat range; set gap per manual to maintain easy starting.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/spark-plug\"\u003eSpark Plugs\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eFuel filter (inline)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eInspect 50 hrs; replace 100 hrs\/annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eReplace more often with ethanol fuel or if debris is present.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/fuel-filters\"\u003eFuel Filters\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eWater pump impeller\/kit\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eEvery 2 seasons or 200 hrs (sooner for sandy water)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eCritical for cooling on small 2‑Strokes; replace at first sign of weak tell‑tale stream.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\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; border-bottom:1px solid #f0f0f0;\"\u003eAnodes (gearcase\/trim tab)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eInspect 50 hrs; replace when 50% worn\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eUse the correct alloy for your waters (zinc, aluminum, or magnesium).\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/anodes\"\u003eAnodes\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eFuel\/oil premix (2‑Stroke)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eEvery refuel\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eFollow the manual’s ratio (commonly 50:1 TC‑W3). Use fresh, ethanol‑free fuel where possible.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/mercury-outboard-parts\"\u003eMercury 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:960px; padding:20px 0;\"\u003e\n  \u003ch2\u003eFrequently Used Parts Categories\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eRoutine Service: \u003ca href=\"https:\/\/seasierra.com\/collections\/mercury-outboard-parts\"\u003eMercury Outboard Parts\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\u003eLower Unit \/ Gearcase: \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\u003eFuel System: \u003ca href=\"https:\/\/seasierra.com\/collections\/fuel-filters\"\u003eFuel Filters\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eIgnition \/ Electrical: \u003ca href=\"https:\/\/seasierra.com\/collections\/spark-plug\"\u003eSpark Plugs\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\u003eStabilization \u0026amp; Handling: \u003ca href=\"https:\/\/seasierra.com\/collections\/outboard-hydrofoil-stabilizers\"\u003eOutboard Hydrofoil Stabilizers\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"troubleshooting\" style=\"max-width:960px; padding:20px 0;\"\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; padding:8px; border-bottom:1px solid #e5e7eb;\"\u003eSymptom\u003c\/th\u003e\n        \u003cth style=\"text-align:left; padding:8px; border-bottom:1px solid #e5e7eb;\"\u003eCheck First\u003c\/th\u003e\n        \u003cth style=\"text-align:left; padding:8px; 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:8px; border-bottom:1px solid #f0f0f0;\"\u003eWeak tell‑tale stream or overheat\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eInspect intake screen for debris; verify tell‑tale hose is clear; check impeller condition.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eWater pump kit, intake screen, gaskets\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003ePoor acceleration \/ power loss\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eConfirm fresh fuel and correct premix; check spark plug; inspect propeller for damage or excessive pitch.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eSpark plug, inline fuel filter, carb service parts, propeller\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eHard starting \/ rough idle\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eVerify choke\/enrichment works; clean carb jets; check for air leaks at fuel lines.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eFuel filter, fuel line clamps, carb gaskets\/needle \u0026amp; seat\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eExcessive smoke (2‑Stroke)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eConfirm correct oil ratio; ensure choke is opening; check for flooded carburetor.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px; border-bottom:1px solid #f0f0f0;\"\u003eSpark plug, carburetor service parts\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eGearcase noise \/ metal in gear oil\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eCheck gear oil for water\/metal; inspect prop shaft for fishing line; pressure test seals.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eLower unit seal kit, drain\/fill gaskets, bearings\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:960px; padding:20px 0;\"\u003e\n  \u003ch2\u003eFAQs\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eAre parts interchangeable across different years or serial ranges?\u003c\/summary\u003e\n    \u003cp\u003eSome components are shared, but many small 2‑Stroke items (cooling, gearcase, and carburetor parts) vary by serial range and shaft length. Always verify using your serial plate 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 preventative measure, replace every two seasons or ~200 hours—sooner if the tell‑tale weakens, you ingest sand\/silt, or the motor overheats.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should I change lower unit gear oil?\u003c\/summary\u003e\n    \u003cp\u003eEvery 100 hours or annually. Inspect for water (milky appearance) and metal particles; address seal issues immediately if contamination is found.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat information helps confirm part compatibility?\u003c\/summary\u003e\n    \u003cp\u003eProvide clear photos of the nameplate with serial\/model code, shaft length (short\/long), and the specific part area (e.g., carburetor, gear housing). This ensures the correct parts for your exact configuration.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"cta\" style=\"padding:16px; border-top:1px solid #e5e7eb;\"\u003e\n  \u003cp\u003eReady to find the right components? Browse the main Mercury collection and use Filter \u0026amp; Sort to narrow by horsepower, year, and model.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/mercury-outboard-parts\" style=\"display:inline-block; margin:8px 0 6px; padding:10px 14px; background:#0b62d6; color:#fff; text-decoration:none; border-radius:6px;\"\u003eShop Mercury Outboard Parts\u003c\/a\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":"cartridge-fuel-filter-fits-yamaha-9-9-90-hp-mercury-mariner-8-60-hp-suzuki-2-85-hp-tohatsu-9-9-90-hp-replaces-61n-24560-00-35-826964t-15410-93400-3ac-02230-0","title":"Cartridge Fuel Filter for Yamaha, Mercury\/Mariner, Suzuki and Tohatsu Outboards – Replaces 61N-24560-00, 35-826964T, 15410-93400 and 3AC-02230-0","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 cartridge fuel filter is an aftermarket replacement for selected gasoline fuel systems on Yamaha, Mercury, Mariner, Suzuki and Tohatsu outboard motors. It is intended to help remove fuel-system contaminants before fuel reaches the engine. Always compare the original filter, connections, dimensions and applicable engine information before ordering.\u003c\/p\u003e\n\u003cp\u003eThe filter is listed as an interchange for the OEM and aftermarket references shown below. These references are provided for identification and cross-reference purposes; they do not replace confirmation of the exact engine model, year, stroke, serial range and fuel-system configuration.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCartridge-style filter for selected outboard gasoline applications.\u003c\/li\u003e\n  \u003cli\u003eClear housing supports visual inspection for visible debris or contamination.\u003c\/li\u003e\n  \u003cli\u003eDesigned for in-line installation where the original filter uses the same connection and flow arrangement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eCompare the number on your existing filter with the applicable reference for 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\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eReference numbers\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e61N-24560-00-00; 655-24560-01-00; 655-24560-60-00; 655-24560-00-00; 648-24560-03-00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e35-826964T; 35-8M0121336; 826964M; 826964T; 11931M; 8M121336; 95431M; 80617M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuzuki\u003c\/td\u003e\n\u003ctd\u003e15410-93400; 15410-93401; 15410-93410; 15410-93411; 15410-94400; 15410-94401\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003e3AC-02230-0; 3AD-02230-0; 3B7-02230-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSierra\u003c\/td\u003e\n\u003ctd\u003e18-79910; 18-7735\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMallory\u003c\/td\u003e\n\u003ctd\u003e9-37965\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine and Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eThe supplied application information covers selected Yamaha outboards from approximately 9.9 to 90 HP, Mercury\/Mariner outboards from approximately 8 to 60 HP, Suzuki outboards from approximately 2 to 85 HP, and Tohatsu outboards from approximately 9.9 to 90 HP. Applications may include both 2-stroke and 4-stroke models depending on the brand and engine configuration.\u003c\/p\u003e\n\u003cp\u003eSome listed Tohatsu applications include 25 and 30 HP 4-stroke models from 2006 onward. Mercury\/Mariner applications include selected small outboards and EFI configurations. Suzuki applications listed include selected 2-stroke models from 2 to 85 HP, while Yamaha applications listed are primarily 2-stroke outboards from 9.9 to 90 HP.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n\u003ctable class=\"ss-table\" aria-label=\"Engine and Model Compatibility Summary\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eListed application range\u003c\/th\u003e\n\u003cth\u003eStroke or configuration\u003c\/th\u003e\n\u003cth\u003eApplicable reference examples\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003ctd\u003e9.9–90 HP\u003c\/td\u003e\n\u003ctd\u003eSelected 2-stroke outboards\u003c\/td\u003e\n\u003ctd\u003e61N-24560-00-00 and 655-series references\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e8–60 HP\u003c\/td\u003e\n\u003ctd\u003eSelected 2-stroke and 4-stroke EFI models\u003c\/td\u003e\n\u003ctd\u003e35-826964T and related references\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuzuki\u003c\/td\u003e\n\u003ctd\u003e2–85 HP\u003c\/td\u003e\n\u003ctd\u003eSelected 2-stroke outboards\u003c\/td\u003e\n\u003ctd\u003e15410-93400 and related references\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003e9.9–90 HP\u003c\/td\u003e\n\u003ctd\u003eSelected outboards; some 25–30 HP 4-stroke applications from 2006 onward\u003c\/td\u003e\n\u003ctd\u003e3B7-02230-0 and related references\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Horsepower alone does not confirm fitment. Check the exact model designation, production year, stroke, serial-number range, fuel-system layout, filter connections and the original part number before installation.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eCartridge fuel filter\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eIn-line replacement\u003c\/dd\u003e\n  \u003cdt\u003eFuel Type\u003c\/dt\u003e\n\u003cdd\u003eGasoline\u003c\/dd\u003e\n  \u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003ePlastic\u003c\/dd\u003e\n  \u003cdt\u003eHousing Color\u003c\/dt\u003e\n\u003cdd\u003eClear or transparent housing with black end caps\u003c\/dd\u003e\n  \u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003eApproximately 0.1 kg (0.22 lb)\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n\u003cdd\u003eSelected marine outboard fuel systems\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Cartridge fuel filter\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eTurn the engine off, allow it to cool and follow the engine manufacturer’s fuel-system safety procedure.\u003c\/li\u003e\n  \u003cli\u003eRelieve fuel-system pressure where applicable and place an absorbent cloth beneath the filter.\u003c\/li\u003e\n  \u003cli\u003eClamp or otherwise secure the fuel lines as directed by the service manual to reduce fuel spillage.\u003c\/li\u003e\n  \u003cli\u003eNote the direction of the fuel-flow arrow and the position of the original filter before removal.\u003c\/li\u003e\n  \u003cli\u003eRemove the old filter and install the replacement with the flow arrow pointing toward the engine.\u003c\/li\u003e\n  \u003cli\u003eSecure the fuel lines and clamps, then remove any temporary line clamps.\u003c\/li\u003e\n  \u003cli\u003ePrime the fuel system according to the engine manual and inspect all connections for leaks before starting the engine.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting and FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow do I confirm fitment?\u003c\/summary\u003e\n  \u003cp\u003eCompare the original filter’s part number, housing and connections with the references and application information above. Confirm the exact engine model, year, stroke and serial range in the manufacturer’s service or parts information. Do not rely on horsepower alone.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat are common signs that a fuel filter needs replacement?\u003c\/summary\u003e\n  \u003cp\u003ePossible symptoms include difficult starting, rough idle, hesitation, sputtering at higher speed or loss of power. Visible debris or contamination in a clear filter housing can also indicate that service is needed.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow often should the filter be replaced?\u003c\/summary\u003e\n  \u003cp\u003eReplacement intervals vary by engine, fuel quality, storage conditions and the manufacturer’s service schedule. Inspect and replace the filter according to the engine owner’s or service manual rather than relying on a universal interval.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs this filter for diesel fuel?\u003c\/summary\u003e\n  \u003cp\u003eNo. This listing is for selected gasoline-powered outboard fuel systems. Do not use it with diesel fuel unless the engine manufacturer specifically approves the application.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs this an OEM filter?\u003c\/summary\u003e\n  \u003cp\u003eThis is an aftermarket replacement. The listed OEM and aftermarket numbers are reference numbers used to help identify compatible applications; the product is not represented as a genuine OEM component.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat are the shipping and return terms?\u003c\/summary\u003e\n  \u003cp\u003eShipping availability, delivery estimates and return eligibility are determined by the order destination and the current store policies. Review the applicable checkout and policy information before ordering.\u003c\/p\u003e\n\u003c\/details\u003e\n\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\u003eUse appropriate eye and skin protection when handling gasoline.\u003c\/li\u003e\n  \u003cli\u003eVerify the filter direction, connections and application before starting the engine.\u003c\/li\u003e\n  \u003cli\u003eStop immediately and correct the issue if any fuel leak is found after installation.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended when the correct procedure is unclear.\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 — Replacement components for selected boat and outboard applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication-Focused Information\u003c\/strong\u003e — Use part-number, model and configuration checks to help select the correct component.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupport for Maintenance\u003c\/strong\u003e — Follow the engine manufacturer’s service procedures for safe installation and operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50718270423355,"sku":"FA-BWAZ-9TE8","price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/FA-BWAZ-9TE8.png?v=1762958705"},{"product_id":"water-pump-impeller-service-kit-fits-mercury-tohatsu-nissan-2-2-3-3-hp-replaces-47-952892-309-65021-1","title":"Water Pump Impeller Service Kit Without Wear Plate – Fits Mercury\/Mariner 2–3.3 HP 2-Stroke Outboards (Replaces 47-95289, 47-95289-1, 47-952891, 47-95289-2, 47-952892)","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 impeller service kit without wear plate\u003c\/strong\u003e is designed for selected Mercury and Mariner 2-stroke outboards from 2 to 3.3 HP. It replaces the original impeller identified by the Mercury references listed below and helps restore proper water-pump circulation when the original impeller is worn, cracked, deformed, or missing blades.\u003c\/p\u003e\n\u003cp\u003eThe company catalog identifies this product as a water pump impeller kit supplied without the wear plate. It is an aftermarket replacement, not an OEM component. Always compare the original impeller, engine model, and serial number before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eApplication-specific replacement for selected Mercury\/Mariner small outboards.\u003c\/li\u003e\n  \u003cli\u003eFits the listed horsepower, model, and serial-number ranges only.\u003c\/li\u003e\n  \u003cli\u003eService-kit configuration supplied without the wear plate.\u003c\/li\u003e\n  \u003cli\u003eDesigned for routine water-pump maintenance and cooling-system service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number References\u003c\/h2\u003e\n\u003cp\u003eThe following Mercury references are identified for this impeller application. Reference numbers 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 References\"\u003e\n    \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e47-95289\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e47-95289-1\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e47-952891\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e47-95289-2\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e47-952892\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\u003eFitment depends on the complete model and serial-number range. Confirm all conditions below before purchase; horsepower alone is not sufficient to establish compatibility.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Mercury and Mariner Engine 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\u003eYear or Serial Condition\u003c\/th\u003e\n\u003cth\u003eReference\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\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e2 HP\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eSerial 8075603 and up\u003c\/td\u003e\n\u003ctd\u003e47-952892\u003c\/td\u003e\n\u003ctd\u003eAlso listed for model 7002201YK, 1991.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e2 HP\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eSerial 0T894577 and up\u003c\/td\u003e\n\u003ctd\u003e47-952892\u003c\/td\u003e\n\u003ctd\u003eVerify the serial range on the engine.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e2 HP\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eSerial 0T884302 through 0T894576\u003c\/td\u003e\n\u003ctd\u003e47-952892\u003c\/td\u003e\n\u003ctd\u003eVerify the serial range on the engine.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e2.2M\u003c\/td\u003e\n\u003ctd\u003e2.2\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eSerial 8075603 and up\u003c\/td\u003e\n\u003ctd\u003e47-952892\u003c\/td\u003e\n\u003ctd\u003eApplication-specific fitment.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e2.5 HP\u003c\/td\u003e\n\u003ctd\u003e2.5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eSerial 0A855097 through 0G710612\u003c\/td\u003e\n\u003ctd\u003e47-952892\u003c\/td\u003e\n\u003ctd\u003eVerify the serial range on the engine.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e2.5 HP\u003c\/td\u003e\n\u003ctd\u003e2.5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eSerial 0T894577 and up\u003c\/td\u003e\n\u003ctd\u003e47-952892\u003c\/td\u003e\n\u003ctd\u003eVerify the serial range on the engine.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e2.5 HP\u003c\/td\u003e\n\u003ctd\u003e2.5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eSerial 0P401000 and up\u003c\/td\u003e\n\u003ctd\u003e47-952892\u003c\/td\u003e\n\u003ctd\u003eVerify the serial range on the engine.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e2.5 HP\u003c\/td\u003e\n\u003ctd\u003e2.5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eSerial 0P017000 through 0P400999\u003c\/td\u003e\n\u003ctd\u003e47-952892\u003c\/td\u003e\n\u003ctd\u003eVerify the serial range on the engine.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e2.5 HP\u003c\/td\u003e\n\u003ctd\u003e2.5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eSerial 0G710613 through 0T894576\u003c\/td\u003e\n\u003ctd\u003e47-952892\u003c\/td\u003e\n\u003ctd\u003eVerify the serial range on the engine.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e3 HP\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eSerial 0A855097 through 0G710612\u003c\/td\u003e\n\u003ctd\u003e47-952892\u003c\/td\u003e\n\u003ctd\u003eVerify the serial range on the engine.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e3.3 HP Non-Shift\u003c\/td\u003e\n\u003ctd\u003e3.3\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eSerial 0D901217 through 0G710612\u003c\/td\u003e\n\u003ctd\u003e47-952892\u003c\/td\u003e\n\u003ctd\u003eNon-shift gear-housing application.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e3.3 HP\u003c\/td\u003e\n\u003ctd\u003e3.3\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eSerial 0T894577 and up\u003c\/td\u003e\n\u003ctd\u003e47-952892\u003c\/td\u003e\n\u003ctd\u003eVerify the serial range on the engine.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e3.3 HP\u003c\/td\u003e\n\u003ctd\u003e3.3\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eSerial 0P401000 and up\u003c\/td\u003e\n\u003ctd\u003e47-952892\u003c\/td\u003e\n\u003ctd\u003eVerify the serial range on the engine.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e3.3 HP\u003c\/td\u003e\n\u003ctd\u003e3.3\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eSerial 0P017000 through 0P400999\u003c\/td\u003e\n\u003ctd\u003e47-952892\u003c\/td\u003e\n\u003ctd\u003eVerify the serial range on the engine.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e3.3 HP\u003c\/td\u003e\n\u003ctd\u003e3.3\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eSerial 0G710613 through 0T894576\u003c\/td\u003e\n\u003ctd\u003e47-952892\u003c\/td\u003e\n\u003ctd\u003eVerify the serial range on the engine.\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 impeller service kit\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n  \u003cdd\u003eSelected Mercury\/Mariner 2-stroke outboards from 2 to 3.3 HP\u003c\/dd\u003e\n  \u003cdt\u003eConfiguration\u003c\/dt\u003e\n  \u003cdd\u003eSupplied without wear plate\u003c\/dd\u003e\n  \u003cdt\u003eReplacement Type\u003c\/dt\u003e\n  \u003cdd\u003eAftermarket replacement\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n  \u003cdd\u003eDirect replacement when the engine and serial-number conditions match\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 service kit without wear plate\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWear plates, housings, gaskets, keys, pins, and other water-pump components are not included unless specifically shown or stated in the package contents for the purchased item.\u003c\/p\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eConfirm the engine brand, model, horsepower, stroke, and serial number before beginning service.\u003c\/li\u003e\n  \u003cli\u003eDisconnect the battery where applicable and follow the engine manufacturer’s safety procedures.\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 housing and take out the old impeller.\u003c\/li\u003e\n  \u003cli\u003eInspect the housing, wear plate, key, seals, and water-tube connection for damage or excessive wear. Replace separately as required.\u003c\/li\u003e\n  \u003cli\u003eInstall the replacement impeller in the correct direction and reassemble the pump according to the manufacturer’s service instructions.\u003c\/li\u003e\n  \u003cli\u003eReinstall the lower unit, confirming correct alignment of the driveshaft and water tube.\u003c\/li\u003e\n  \u003cli\u003eRun the engine in a suitable water supply and confirm a steady cooling-water discharge before normal operation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat symptoms indicate a worn water-pump impeller?\u003c\/summary\u003e\n  \u003cp\u003eA weak or missing tell-tale stream, overheating, an overheating warning, or visible cracks, deformation, or missing blades on the old impeller can indicate that service is needed. Inspect the complete water-pump assembly before replacing only the impeller.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWill this fit an engine that is not listed?\u003c\/summary\u003e\n  \u003cp\u003eDo not assume compatibility from horsepower alone. Use this part only when your Mercury or Mariner model and serial-number range match the compatibility information above and the replacement impeller matches the original part.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eDoes this kit include the wear plate?\u003c\/summary\u003e\n  \u003cp\u003eNo. The company product description identifies this configuration as a water pump impeller kit without the wear plate. Inspect your existing wear plate and replace it separately if it is worn or damaged.\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. The listed Mercury numbers are manufacturer reference numbers used to help identify the correct application.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eDoes this product fit Tohatsu, Nissan, or Johnson\/Evinrude engines?\u003c\/summary\u003e\n  \u003cp\u003eThis product page is for the Mercury\/Mariner application and serial ranges listed above. Do not use the Tohatsu, Nissan, or Johnson\/Evinrude references from other impeller products to establish fitment for this item.\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 model and serial number before ordering.\u003c\/li\u003e\n  \u003cli\u003eCompare the replacement impeller with the original part before installation.\u003c\/li\u003e\n  \u003cli\u003eDo not operate an outboard with inadequate cooling-water flow.\u003c\/li\u003e\n  \u003cli\u003eFollow the manufacturer’s service-manual procedures and torque specifications.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended if you are not familiar with outboard 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 — Parts for routine outboard maintenance and repair.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication-Focused Listings\u003c\/strong\u003e — Compatibility information is organized by engine model and serial-number range where available.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAftermarket Value\u003c\/strong\u003e — Replacement solutions for maintaining marine cooling systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723790324027,"sku":"24KM025-QM","price":19.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/24KM025-QM.png?v=1763031856"},{"product_id":"carburetor-assembly-fits-tohatsu-nissan-2-5hp-3-5hp-2-stroke-and-mercury-2hp-2-2hp-2-5hp-3hp-3-3hp-replaces-3f0-03100-4-823040a1","title":"Carburetor Assembly for Tohatsu \u0026 Nissan 2.5HP and 3.5HP 2-Stroke Outboards; Mercury \u0026 Mariner 2HP–3.3HP 2-Stroke Replacement","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 assembly\u003c\/strong\u003e is designed for selected Tohatsu and Nissan 2-stroke outboard motors rated at 2.5HP and 3.5HP, including listed M2.5, M3.5, NS2.5, and NS3.5 applications from the applicable model years. It also fits selected Mercury and Mariner 1-cylinder 2-stroke engines in the 2HP, 2.2HP, 2.5HP, 3HP, and 3.3HP ranges when the engine's original part number and serial-number range match the information below.\u003c\/p\u003e\n\u003cp\u003eThe assembly is listed as a replacement for several Tohatsu, Nissan, and Mercury references, including \u003cstrong\u003e3F0-03100-4\u003c\/strong\u003e, \u003cstrong\u003e3D5-03100-5\u003c\/strong\u003e, and \u003cstrong\u003e823040A1\u003c\/strong\u003e. Always compare the original carburetor, part number, model, year, and serial number before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eComplete replacement carburetor assembly for listed applications.\u003c\/li\u003e\n  \u003cli\u003eDirect-replacement design for compatible engines.\u003c\/li\u003e\n  \u003cli\u003eSilver zinc-alloy housing with marine-use corrosion-resistant construction.\u003c\/li\u003e\n  \u003cli\u003eOne carburetor assembly is included.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse the following references to compare the replacement with the carburetor currently 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\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu \/ Nissan\u003c\/td\u003e\n\u003ctd\u003e3F0-03100-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu \/ Nissan\u003c\/td\u003e\n\u003ctd\u003e3F0-03100-3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu \/ Nissan\u003c\/td\u003e\n\u003ctd\u003e3F0-03100-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu \/ Nissan\u003c\/td\u003e\n\u003ctd\u003e3F0-03100-1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu \/ Nissan\u003c\/td\u003e\n\u003ctd\u003e3F0-03100-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu \/ Nissan\u003c\/td\u003e\n\u003ctd\u003e3D5-03100-5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu \/ Nissan\u003c\/td\u003e\n\u003ctd\u003e3D5-03100-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu \/ Nissan\u003c\/td\u003e\n\u003ctd\u003e3D5-03100-3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu \/ Nissan\u003c\/td\u003e\n\u003ctd\u003e3D5-03100-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu \/ Nissan\u003c\/td\u003e\n\u003ctd\u003e3F0031003M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu \/ Nissan\u003c\/td\u003e\n\u003ctd\u003e3F0031002M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu \/ Nissan\u003c\/td\u003e\n\u003ctd\u003e3F0031001M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu \/ Nissan\u003c\/td\u003e\n\u003ctd\u003e3F0031000M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e823040A1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e823040A2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e823040A4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e823040A5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e823040T06\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e8M0171810\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e3303-8231752\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e3303-815070\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eFitment depends on the complete model, year, stroke, original part number, and—where specified—the engine serial number. The tables below summarize the listed applications; they are not a substitute for checking the identification plate and original carburetor.\u003c\/p\u003e\n\n\u003ch3\u003eTohatsu 2-Stroke Models\u003c\/h3\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n\u003ctable class=\"ss-table\" aria-label=\"Tohatsu Engine and Model Compatibility\"\u003e\n\u003cthead\u003e\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\u003eOEM Part No.\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eM3.5A2\u003c\/td\u003e\n\u003ctd\u003e3.5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2002 and earlier\u003c\/td\u003e\n\u003ctd\u003e3F0-03100-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eM3.5B2\u003c\/td\u003e\n\u003ctd\u003e3.5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2002 and earlier\u003c\/td\u003e\n\u003ctd\u003e3F0-03100-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eM3.5A2\u003c\/td\u003e\n\u003ctd\u003e3.5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2003–2005\u003c\/td\u003e\n\u003ctd\u003e3F0-03100-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eM3.5B2\u003c\/td\u003e\n\u003ctd\u003e3.5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2003–2005\u003c\/td\u003e\n\u003ctd\u003e3F0-03100-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eM2.5A2\u003c\/td\u003e\n\u003ctd\u003e2.5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2002–2005\u003c\/td\u003e\n\u003ctd\u003e3F0-03100-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eNissan 2-Stroke Models\u003c\/h3\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n\u003ctable class=\"ss-table\" aria-label=\"Nissan Engine and Model Compatibility\"\u003e\n\u003cthead\u003e\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\u003eOEM Part No.\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eNS3.5B2\u003c\/td\u003e\n\u003ctd\u003e3.5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2002 and earlier\u003c\/td\u003e\n\u003ctd\u003e3F0-03100-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eNS3.5A2\u003c\/td\u003e\n\u003ctd\u003e3.5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2003–2005\u003c\/td\u003e\n\u003ctd\u003e3F0-03100-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eNS3.5B2\u003c\/td\u003e\n\u003ctd\u003e3.5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2003–2005\u003c\/td\u003e\n\u003ctd\u003e3F0-03100-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003eNS2.5A2\u003c\/td\u003e\n\u003ctd\u003e2.5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e2002–2005\u003c\/td\u003e\n\u003ctd\u003e3F0-03100-4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eMercury \/ Mariner 2-Stroke Models\u003c\/h3\u003e\n\u003cp\u003eFor Mercury and Mariner applications, verify both the horsepower rating and the complete serial-number range before ordering.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n\u003ctable class=\"ss-table\" aria-label=\"Mercury and Mariner Engine Compatibility\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eRated HP\u003c\/th\u003e\n\u003cth\u003eStroke\u003c\/th\u003e\n\u003cth\u003eOEM Part No.\u003c\/th\u003e\n\u003cth\u003eSerial-Number Condition\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\u003e2.0–2.5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e823040A1\u003c\/td\u003e\n\u003ctd\u003eVerify the original part number and engine serial number.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury \/ Mariner\u003c\/td\u003e\n\u003ctd\u003e3.0\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e823040A1\u003c\/td\u003e\n\u003ctd\u003e0A855097 to 0G710612\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury \/ Mariner\u003c\/td\u003e\n\u003ctd\u003e3.3\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e823040A1\u003c\/td\u003e\n\u003ctd\u003e0D901217 and later\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\u003eCarburetor assembly\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eDirect replacement for compatible applications\u003c\/dd\u003e\n  \u003cdt\u003eFuel Type\u003c\/dt\u003e\n\u003cdd\u003eGasoline\u003c\/dd\u003e\n  \u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003eZinc alloy\u003c\/dd\u003e\n  \u003cdt\u003eHousing Color\u003c\/dt\u003e\n\u003cdd\u003eSilver\u003c\/dd\u003e\n  \u003cdt\u003eConstruction\u003c\/dt\u003e\n\u003cdd\u003eMarine-use corrosion-resistant construction\u003c\/dd\u003e\n  \u003cdt\u003eProduct Status\u003c\/dt\u003e\n\u003cdd\u003eAftermarket replacement; not an OEM 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 Carburetor assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSafety first:\u003c\/strong\u003e Turn the engine off, allow it to cool, shut off the fuel supply, and disconnect the battery where applicable.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRecord connections:\u003c\/strong\u003e Before removal, note the routing and positions of the fuel lines, throttle linkage, and any other connected components.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRemove the old carburetor:\u003c\/strong\u003e Disconnect the fuel lines and linkages, then remove the mounting hardware and old carburetor.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrepare the mounting surface:\u003c\/strong\u003e Clean the intake-manifold surface and install a suitable new gasket if required by the engine service manual.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstall the replacement:\u003c\/strong\u003e Position the carburetor and tighten the mounting hardware evenly to the manufacturer's specified torque.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReconnect components:\u003c\/strong\u003e Reattach the fuel lines and throttle linkages to their original positions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCheck for leaks:\u003c\/strong\u003e Restore the fuel supply and inspect all connections before starting the engine.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTest the engine:\u003c\/strong\u003e Start the engine in a safe, well-ventilated area and adjust idle settings only as directed by the applicable service manual.\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 the original carburetor and its part number with the Part Number Matrix. Confirm the exact engine brand, model, horsepower, 2-stroke configuration, year, and—when listed—the serial-number range. Physical comparison is also recommended before installation.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat are common signs of a failing carburetor?\u003c\/summary\u003e\n  \u003cp\u003ePossible symptoms include difficult starting, rough idle, stalling at low speed, black exhaust smoke, poor acceleration, or increased fuel consumption. These symptoms can also result from fuel-system or ignition problems, so diagnose the engine before replacing parts.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWill adjustment be needed after installation?\u003c\/summary\u003e\n  \u003cp\u003eThis is intended as a direct replacement for compatible applications, but idle speed or mixture adjustment may be required depending on the engine and installation. Follow the engine manufacturer's service instructions.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow should the carburetor be maintained?\u003c\/summary\u003e\n  \u003cp\u003eUse clean, fresh fuel and service the fuel filter regularly. Before extended storage, follow the engine manufacturer's storage procedure, which may include stabilizing the fuel and draining the carburetor bowl to help prevent gum and varnish deposits.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs this an OEM carburetor?\u003c\/summary\u003e\n  \u003cp\u003eNo. This listing is for an aftermarket replacement carburetor assembly intended for the applications and reference numbers shown above.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat should I do if my original part looks different?\u003c\/summary\u003e\n  \u003cp\u003eDo not install the replacement if the mounting points, linkage arrangement, fuel connections, or reference number do not match. Recheck the complete engine identification and consult the applicable service manual.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Information\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify the engine model, year, horsepower, stroke, serial number, and original part number before ordering.\u003c\/li\u003e\n  \u003cli\u003eDo not rely on horsepower alone to confirm compatibility.\u003c\/li\u003e\n  \u003cli\u003eFuel-system work should be performed with the engine cool and away from ignition sources.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended when you are not familiar with marine engine fuel systems.\u003c\/li\u003e\n  \u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePro-Grade Standards\u003c\/strong\u003e — Marine replacement parts selected for dependable real-world service.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFast Global Fulfillment\u003c\/strong\u003e — Standard delivery options are available to most regions; availability and transit time are shown at checkout.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer-Direct Value\u003c\/strong\u003e — Practical replacement parts at competitive prices.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723790356795,"sku":"84-6K7M-NLIS","price":32.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/84-6K7M-NLIS.png?v=1763031857"},{"product_id":"water-pump-impeller-fits-mercury-mariner-2-6-hp-outboards-replaces-47-16154-369650211","title":"Water Pump Impeller for Mercury\/Mariner 2–6 HP Outboards – Replaces Mercury 47-16154, 47-16154-3 and Sierra 18-3098","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\u003ewater pump impeller\u003c\/strong\u003e is designed as a replacement for selected Mercury and Mariner small outboard engines from 2 to 6 HP. The listed applications include Mercury\/Mariner 2-stroke models from 1987–2006 and 4-stroke models from 1999–2006. Confirm the exact engine model, stroke, year and serial-number range before ordering.\u003c\/p\u003e\n\u003cp\u003eThis impeller is listed as a replacement for Mercury part numbers \u003cstrong\u003e47-16154\u003c\/strong\u003e and \u003cstrong\u003e47-16154-3\u003c\/strong\u003e, and Sierra part number \u003cstrong\u003e18-3098\u003c\/strong\u003e. These references identify replacement relationships; they do not mean the part is manufactured by Mercury or Sierra.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for direct installation on the water-pump drive shaft when the listed application and dimensions match.\u003c\/li\u003e\n  \u003cli\u003eMolded neoprene impeller material helps maintain water flow through the cooling system.\u003c\/li\u003e\n  \u003cli\u003ePackage includes one impeller and one mounting pin\/drive key.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse the following references together with your engine model and serial number to confirm compatibility.\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\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e47-16154\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e47-16154-3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSierra\u003c\/td\u003e\n\u003ctd\u003e18-3098\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eThe application information below must be checked as a complete combination of brand, model or serial range, horsepower, stroke and year. Do not rely on horsepower alone.\u003c\/p\u003e\n\n\u003ch3\u003eMercury\/Mariner 2-Stroke Outboards\u003c\/h3\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n\u003ctable class=\"ss-table\" aria-label=\"Mercury and Mariner 2-Stroke Outboard Compatibility\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel or Serial Range\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\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e0T884302 and up\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987–2006\u003c\/td\u003e\n\u003ctd\u003e47-16154\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e0G710613 and up\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1993–2006\u003c\/td\u003e\n\u003ctd\u003e47-16154\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e0G710613–0T894438\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987–2006\u003c\/td\u003e\n\u003ctd\u003e47-16154\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e0T894439 and up\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987–2006\u003c\/td\u003e\n\u003ctd\u003e47-16154\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e0P017000–0P400999\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987–2006\u003c\/td\u003e\n\u003ctd\u003e47-16154\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e0P401000 and up\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987–2006\u003c\/td\u003e\n\u003ctd\u003e47-16154\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e0G710613–0T894438\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987–2006\u003c\/td\u003e\n\u003ctd\u003e47-16154\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e0T894439 and up\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987–2006\u003c\/td\u003e\n\u003ctd\u003e47-16154\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e0P017000–0P400999\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987–2006\u003c\/td\u003e\n\u003ctd\u003e47-16154\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e0P401000 and up\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987–2006\u003c\/td\u003e\n\u003ctd\u003e47-16154\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMariner\u003c\/td\u003e\n\u003ctd\u003e3.3 HP with shift\u003c\/td\u003e\n\u003ctd\u003e3.3\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1993–2006\u003c\/td\u003e\n\u003ctd\u003e47-16154\u003c\/td\u003e\n\u003ctd\u003eSerial 0D901217 and up\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMariner\u003c\/td\u003e\n\u003ctd\u003e1-cylinder models\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987–2006\u003c\/td\u003e\n\u003ctd\u003e47-16154\u003c\/td\u003e\n\u003ctd\u003eSerial 0A809601 and up\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMariner\u003c\/td\u003e\n\u003ctd\u003e1-cylinder models\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1987–2006\u003c\/td\u003e\n\u003ctd\u003e47-16154\u003c\/td\u003e\n\u003ctd\u003eSerial 0A809601 and up\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eMercury\/Mariner 4-Stroke Outboards\u003c\/h3\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n\u003ctable class=\"ss-table\" aria-label=\"Mercury and Mariner 4-Stroke Outboard Compatibility\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eModel or Serial Range\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\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eCarbureted, 0R131842 and up\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1999–2006\u003c\/td\u003e\n\u003ctd\u003e47-16154\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eCarbureted, 0R131842 and up\u003c\/td\u003e\n\u003ctd\u003e2.5\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1999–2006\u003c\/td\u003e\n\u003ctd\u003e47-16154\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003eCarbureted, 0R131842 and up\u003c\/td\u003e\n\u003ctd\u003e3.5\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1999–2006\u003c\/td\u003e\n\u003ctd\u003e47-16154\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e0P073456 and up\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1999–2006\u003c\/td\u003e\n\u003ctd\u003e47-16154\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e0P073456 and up\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1999–2006\u003c\/td\u003e\n\u003ctd\u003e47-16154\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e0P073456 and up\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1999–2006\u003c\/td\u003e\n\u003ctd\u003e47-16154\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMariner\u003c\/td\u003e\n\u003ctd\u003eModel not specified\u003c\/td\u003e\n\u003ctd\u003e2.5\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1999–2006\u003c\/td\u003e\n\u003ctd\u003e47-16154\u003c\/td\u003e\n\u003ctd\u003eSerial 0R411838 and up\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMariner\u003c\/td\u003e\n\u003ctd\u003eModel not specified\u003c\/td\u003e\n\u003ctd\u003e3.5\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1999–2006\u003c\/td\u003e\n\u003ctd\u003e47-16154\u003c\/td\u003e\n\u003ctd\u003eSerial 0R411838 and up\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMariner\u003c\/td\u003e\n\u003ctd\u003eModel not specified\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1999–2006\u003c\/td\u003e\n\u003ctd\u003e47-16154\u003c\/td\u003e\n\u003ctd\u003eSerial 0R411838 and up\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMariner\u003c\/td\u003e\n\u003ctd\u003eModel not specified\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1999–2006\u003c\/td\u003e\n\u003ctd\u003e47-161838 and up\u003c\/td\u003e\n\u003ctd\u003eSerial 0R411838 and up\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMariner\u003c\/td\u003e\n\u003ctd\u003eModel not specified\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1999–2006\u003c\/td\u003e\n\u003ctd\u003e47-16154\u003c\/td\u003e\n\u003ctd\u003eSerial 0R411838 and up\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eWater pump impeller\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n\u003cdd\u003eSelected Mercury and Mariner 2–6 HP outboards\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eDirect drive-shaft installation when application and dimensions match\u003c\/dd\u003e\n  \u003cdt\u003eMaterial\u003c\/dt\u003e\n\u003cdd\u003eNeoprene rubber\u003c\/dd\u003e\n  \u003cdt\u003eColor\u003c\/dt\u003e\n\u003cdd\u003eBlack\u003c\/dd\u003e\n  \u003cdt\u003eOverall Diameter\u003c\/dt\u003e\n\u003cdd\u003e33.8 mm (1.33 in)\u003c\/dd\u003e\n  \u003cdt\u003eInternal Shaft Diameter\u003c\/dt\u003e\n\u003cdd\u003e10.4 mm (0.41 in)\u003c\/dd\u003e\n  \u003cdt\u003eHeight\u003c\/dt\u003e\n\u003cdd\u003e14.2 mm (0.56 in)\u003c\/dd\u003e\n  \u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e7.9 g (0.28 oz)\u003c\/dd\u003e\n  \u003cdt\u003eDrive Connection\u003c\/dt\u003e\n\u003cdd\u003eShaft-mounted with included pin\/drive key\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Water pump impeller\u003c\/li\u003e\n  \u003cli\u003e1 × Mounting pin\/drive key\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eDisconnect the spark-plug leads and battery, where fitted, to prevent accidental starting.\u003c\/li\u003e\n  \u003cli\u003ePlace the outboard gear selector in neutral.\u003c\/li\u003e\n  \u003cli\u003eRemove the lower unit or gearcase according to the engine service manual.\u003c\/li\u003e\n  \u003cli\u003eRemove the water-pump housing to access the old impeller.\u003c\/li\u003e\n  \u003cli\u003eRecord the old vane orientation and remove the impeller and drive pin\/key.\u003c\/li\u003e\n  \u003cli\u003eClean the pump housing and wear plate. Replace worn or damaged pump components before installation.\u003c\/li\u003e\n  \u003cli\u003eInstall the included drive pin\/key in the shaft groove.\u003c\/li\u003e\n  \u003cli\u003eFit the new impeller over the shaft and rotate it in the correct direction to pre-bend the vanes.\u003c\/li\u003e\n  \u003cli\u003eApply a light film of clean water or suitable marine assembly lubricant to the impeller and housing. Do not run a dry impeller.\u003c\/li\u003e\n  \u003cli\u003eReinstall the water-pump housing and tighten fasteners to the manufacturer’s specification.\u003c\/li\u003e\n  \u003cli\u003eReattach the lower unit and test the cooling-water flow in a safe water supply before normal operation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eHow do I confirm whether this impeller fits my engine?\u003c\/summary\u003e\u003cp\u003eCompare the complete engine model, serial number, horsepower, stroke and year with the compatibility tables. Also compare the old impeller’s dimensions and drive-pin arrangement. If any detail differs, consult the engine service manual or a qualified marine technician before ordering.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat are the signs of a failing water-pump impeller?\u003c\/summary\u003e\u003cp\u003eCommon signs include overheating at idle or low speed, a weak or missing telltale stream, reduced cooling-water flow, and cracked, stiff or damaged rubber vanes when the impeller is inspected.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow often should the impeller be replaced?\u003c\/summary\u003e\u003cp\u003eInspect the impeller during routine service and replace it when the vanes are damaged, permanently set, cracked or hardened. Replacement intervals depend on engine use and water conditions, especially salt, sand and silt exposure.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs the included pin necessary?\u003c\/summary\u003e\u003cp\u003eYes. The pin acts as the drive key that locks the impeller to the shaft. Install the impeller with the correct pin in place and do not operate the water pump without it.\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 impeller. Mercury, Mariner and Sierra are referenced only to identify compatible engines and replacement part numbers; this product is not manufactured or branded by those companies.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat should I do if the new impeller does not fit?\u003c\/summary\u003e\u003cp\u003eDo not force the impeller onto the shaft or into the housing. Recheck the engine serial range, original part number, shaft diameter, overall dimensions and drive-pin arrangement before installation.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Information\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify the complete application and physical dimensions before purchase.\u003c\/li\u003e\n  \u003cli\u003eDisconnect the starting system before servicing the lower unit.\u003c\/li\u003e\n  \u003cli\u003eNever operate the engine without an adequate water supply to the cooling system.\u003c\/li\u003e\n  \u003cli\u003eInspect the pump housing, wear plate, seals and related components while replacing the impeller.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended when lower-unit service is unfamiliar.\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 aftermarket components for routine service and repair.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication-Focused Listings\u003c\/strong\u003e — Compatibility references are provided to help match the part to the correct engine.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupport for Installation\u003c\/strong\u003e — Check the engine service manual for model-specific removal, installation and torque procedures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723790455099,"sku":"AQ-BY1S-YMPM","price":17.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/AQ-BY1S-YMPM.png?v=1763031862"},{"product_id":"water-pump-impeller-repair-kit-fits-mercury-tohatsu-2-3-5-hp-replaces-16159a2-8m0080264-3ab-87322-0","title":"Water Pump Repair Kit for Mercury 3.3 HP 2-Stroke and Tohatsu MFS2–MFS3.5 4-Stroke Outboards – Replaces 16159A2, 8M0080264 and 3AB-87322-0","description":"\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\u003csection\u003e\n  \u003ch2\u003eProduct Details\u003c\/h2\u003e\n  \u003cp\u003eThis \u003cstrong\u003eWater Pump Repair Kit\u003c\/strong\u003e is an aftermarket replacement for selected small Mercury and Tohatsu outboard water-pump assemblies. Catalog references identify the Mercury application around 3.3 HP 2-stroke outboards, including shiftable engines, and the Tohatsu application for MFS2, MFS2.5 and MFS3.5B\/C 4-stroke models. Always match the complete OEM part number and engine serial or model information before ordering.\u003c\/p\u003e\n  \u003cp\u003eThe kit is intended to replace water-pump service components associated with Mercury references \u003cstrong\u003e16159A2\u003c\/strong\u003e, \u003cstrong\u003e8M0080264\u003c\/strong\u003e and \u003cstrong\u003e889246A16\u003c\/strong\u003e, together with Tohatsu reference \u003cstrong\u003e3AB-87322-0\u003c\/strong\u003e. The listed numbers are manufacturer or OEM reference numbers only; this product is not an OEM-branded part.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eReplacement water-pump service kit for selected small outboards.\u003c\/li\u003e\n    \u003cli\u003eDesigned for servicing the impeller, wear surfaces and associated gaskets in the applicable pump assembly.\u003c\/li\u003e\n    \u003cli\u003eIncludes a six-blade impeller with a nylon hub.\u003c\/li\u003e\n    \u003cli\u003eConfirm the reference number, engine model, stroke, year and serial range before installation.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n  \u003cp\u003eUse the following references to compare the required water-pump repair kit with your original part or service-manual listing.\u003c\/p\u003e\n  \u003cdiv class=\"ss-table-wrap\"\u003e\n    \u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n      \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003eManufacturer or OEM Reference\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMercury \/ Mercury Mariner\u003c\/td\u003e\n\u003ctd\u003e16159A2\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMercury \/ Mercury Mariner\u003c\/td\u003e\n\u003ctd\u003e47-16159A2\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMercury \/ Mercury Mariner\u003c\/td\u003e\n\u003ctd\u003e8M0080264\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMercury \/ Mercury Mariner\u003c\/td\u003e\n\u003ctd\u003e47-8M0080264\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMercury \/ Mercury Mariner\u003c\/td\u003e\n\u003ctd\u003e889246A16\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMercury \/ Mercury Mariner\u003c\/td\u003e\n\u003ctd\u003e47-889246A16\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003e3AB-87322-0\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003e3AB873220M\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003e3F0-87322-1\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003e3F0873221M\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003ch2\u003eEngine and Model Compatibility\u003c\/h2\u003e\n  \u003cp\u003eFitment depends on the complete engine configuration. Model, horsepower, stroke and serial conditions must be checked together; a matching horsepower alone does not confirm compatibility.\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\u003eYear or Serial Condition\u003c\/th\u003e\n\u003cth\u003eReference\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\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e3.3 HP outboard\u003c\/td\u003e\n          \u003ctd\u003e3.3 HP\u003c\/td\u003e\n          \u003ctd\u003e2-Stroke\u003c\/td\u003e\n          \u003ctd\u003e0D901217 through 0G710612\u003c\/td\u003e\n          \u003ctd\u003e8M0080264\u003c\/td\u003e\n          \u003ctd\u003eCatalog occurrence identifies shiftable engines.\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e3.3 HP outboard\u003c\/td\u003e\n          \u003ctd\u003e3.3 HP\u003c\/td\u003e\n          \u003ctd\u003e2-Stroke\u003c\/td\u003e\n          \u003ctd\u003e0G710613 through 0T894576\u003c\/td\u003e\n          \u003ctd\u003e8M0080264\u003c\/td\u003e\n          \u003ctd\u003eVerify the exact serial number and pump configuration.\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e3.3 HP outboard\u003c\/td\u003e\n          \u003ctd\u003e3.3 HP\u003c\/td\u003e\n          \u003ctd\u003e2-Stroke\u003c\/td\u003e\n          \u003ctd\u003e0T894577 and up\u003c\/td\u003e\n          \u003ctd\u003e8M0080264\u003c\/td\u003e\n          \u003ctd\u003eVerify the exact serial number and pump configuration.\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eTohatsu\u003c\/td\u003e\n          \u003ctd\u003eMFS2 \/ MFS2.5 \/ MFS3.5B\u003c\/td\u003e\n          \u003ctd\u003e2–3.5 HP\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e2016–2019 catalog applications\u003c\/td\u003e\n          \u003ctd\u003e3AB-87322-0\u003c\/td\u003e\n          \u003ctd\u003eCheck the model suffix and service-manual listing.\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eTohatsu\u003c\/td\u003e\n          \u003ctd\u003eMFS2 \/ MFS2.5 \/ MFS3.5C\u003c\/td\u003e\n          \u003ctd\u003e2–3.5 HP\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e2019–2026 catalog applications\u003c\/td\u003e\n          \u003ctd\u003e3AB-87322-0\u003c\/td\u003e\n          \u003ctd\u003eCheck the model suffix and service-manual listing.\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n  \u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e The catalog references above are application leads, not a substitute for checking the original part. Mercury and Tohatsu\/Nissan model naming, serial breaks and pump designs can vary by production year and market.\u003c\/p\u003e\n\n  \u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n  \u003cdl\u003e\n    \u003cdt\u003eProduct Type\u003c\/dt\u003e\n    \u003cdd\u003eWater pump repair kit\u003c\/dd\u003e\n    \u003cdt\u003eApplication\u003c\/dt\u003e\n    \u003cdd\u003eSelected Mercury and Tohatsu small outboard water-pump assemblies\u003c\/dd\u003e\n    \u003cdt\u003eInstallation\u003c\/dt\u003e\n    \u003cdd\u003eDirect replacement service components; professional installation is recommended\u003c\/dd\u003e\n    \u003cdt\u003eImpeller Material\u003c\/dt\u003e\n    \u003cdd\u003eMarine-grade CR neoprene\u003c\/dd\u003e\n    \u003cdt\u003eWear Plate and Liner Material\u003c\/dt\u003e\n    \u003cdd\u003eSS316 stainless steel\u003c\/dd\u003e\n    \u003cdt\u003eImpeller Dimensions\u003c\/dt\u003e\n    \u003cdd\u003eHeight: 14.35 mm (0.56 in); overall diameter: 33.6 mm (1.32 in); hub shaft diameter: 10.4 mm (0.41 in)\u003c\/dd\u003e\n    \u003cdt\u003eWeight\u003c\/dt\u003e\n    \u003cdd\u003e57 g (2.01 oz)\u003c\/dd\u003e\n    \u003cdt\u003eImpeller Design\u003c\/dt\u003e\n    \u003cdd\u003eSix-blade impeller with nylon hub\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 (47-161543)\u003c\/li\u003e\n    \u003cli\u003e1 x Impeller pin (28-16155)\u003c\/li\u003e\n    \u003cli\u003e1 x Housing gasket (27-898101331)\u003c\/li\u003e\n    \u003cli\u003e1 x Wear plate gasket (27-898101332)\u003c\/li\u003e\n    \u003cli\u003e1 x Wear plate (898101371)\u003c\/li\u003e\n    \u003cli\u003e1 x Insert cup (161571)\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003ePart numbers in the package list are component or reference numbers and may differ from the package's primary application number. Compare the components with the parts removed from your engine before installation.\u003c\/p\u003e\n\n  \u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n  \u003col\u003e\n    \u003cli\u003eMake sure the engine is stopped, cool and secured. Disconnect the battery where applicable and follow the engine manufacturer's safety instructions.\u003c\/li\u003e\n    \u003cli\u003eRemove the gearcase or lower unit according to the applicable service manual.\u003c\/li\u003e\n    \u003cli\u003eRemove the water-pump housing and note the original impeller-vane direction and component order.\u003c\/li\u003e\n    \u003cli\u003eRemove the old impeller, pin or key, wear plate and gaskets. Clean the mating surfaces without damaging the housing or driveshaft.\u003c\/li\u003e\n    \u003cli\u003eInstall the replacement wear plate and gaskets in the same orientation as the original components.\u003c\/li\u003e\n    \u003cli\u003eFit the new impeller onto the driveshaft, align the key or pin, and rotate the driveshaft in its normal operating direction while lowering the housing so the vanes seat correctly.\u003c\/li\u003e\n    \u003cli\u003eFasten the pump housing using the manufacturer's specified hardware and torque procedure.\u003c\/li\u003e\n    \u003cli\u003eReinstall the lower unit, ensuring correct alignment of the driveshaft, shift shaft and water tube where applicable.\u003c\/li\u003e\n    \u003cli\u003eRun the engine only in water or with an appropriate flushing attachment. Confirm cooling-water flow and check for leaks before normal operation.\u003c\/li\u003e\n  \u003c\/ol\u003e\n\n  \u003ch2\u003eTroubleshooting and FAQ\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow can I confirm that this kit fits my outboard?\u003c\/summary\u003e\n    \u003cp\u003eCompare the complete OEM reference, engine brand, model, horsepower, stroke and serial or year condition. For Mercury applications, the catalog references center on selected 3.3 HP 2-stroke engines. For Tohatsu applications, reference 3AB-87322-0 is associated with selected MFS2, MFS2.5 and MFS3.5B\/C 4-stroke models. If any detail differs, confirm the required kit with the engine service manual or a qualified marine dealer.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat are common signs of a worn water-pump impeller?\u003c\/summary\u003e\n    \u003cp\u003ePossible signs include weak or intermittent tell-tale flow, overheating at idle or low speed, reduced cooling-water output, or an impeller that is cracked, brittle, deformed or missing vane material during inspection.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should the impeller be replaced?\u003c\/summary\u003e\n    \u003cp\u003eInspect the water-pump impeller according to the engine manufacturer's maintenance schedule. Service intervals depend on operating hours, storage conditions and whether the engine is used in saltwater, sand or silty water. Replace it sooner if damage or overheating symptoms are present.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eCan I use this kit if my serial number is outside the listed range?\u003c\/summary\u003e\n    \u003cp\u003eDo not assume fitment from horsepower alone. Serial-number changes can correspond to different gearcase or water-pump components. Check the complete original part number and the applicable service-manual diagram before ordering.\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 kit intended to interchange with the manufacturer references listed on this page. Mercury, Mariner and Tohatsu reference numbers are used only for identification and compatibility comparison.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat are the shipping options?\u003c\/summary\u003e\n    \u003cp\u003eAvailable shipping methods and delivery estimates are shown at checkout and may vary by destination, carrier and inventory location.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat is the warranty and return policy?\u003c\/summary\u003e\n    \u003cp\u003eWarranty coverage and returns are governed by the seller's current policy. Contact customer support before returning a product and keep the order information and original packaging available.\u003c\/p\u003e\n  \u003c\/details\u003e\n\n  \u003ch2\u003eSafety and Important Information\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eVerify the original part, engine model, stroke, year and serial range before purchase.\u003c\/li\u003e\n    \u003cli\u003eDo not operate an outboard without an adequate cooling-water supply.\u003c\/li\u003e\n    \u003cli\u003eStop operation immediately if the engine overheats or cooling-water flow is weak or absent.\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 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 — Practical replacement components for selected outboard service applications.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFitment-Focused Information\u003c\/strong\u003e — Reference numbers and application details are provided to support careful part comparison.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eGlobal Fulfillment\u003c\/strong\u003e — Shipping availability and delivery estimates are presented at checkout for the destination entered.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723791831355,"sku":"24KM315-QM","price":45.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/24KM315-QM.png?v=1763031895"},{"product_id":"water-pump-impeller-fits-mercury-tohatsu-evinrude-2-5-6-hp-4-stroke-2-5-hp-2-stroke-replaces-47-161543-369-65021-1-5040180","title":"Aftermarket Water Pump Impeller for Nissan\/Tohatsu 2–6 HP Outboards and Mercury 2–3.5 HP 4-Stroke Models","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\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis aftermarket \u003cstrong\u003ewater pump impeller\u003c\/strong\u003e is designed for selected small Nissan\/Tohatsu and Mercury\/Mariner outboard applications. It supports Nissan 3.5B\/NS5B engines, Tohatsu 2-stroke 2 HP, 2.5 HP, 2.5A, 3.5A, 3.5B, 3.5 HP, 4 HP, and 5 HP models, as well as Tohatsu 4-stroke MFS4, MFS5, and MFS6 HP models. The company fitment information also identifies Mercury\/Mariner 4-stroke 2 HP, 2.5 HP, and 3.5 HP carbureted applications.\u003c\/p\u003e\n\u003cp\u003eThe impeller is a direct replacement component for water pump service when its dimensions and original part reference match your engine. Catalog records also associate the primary Tohatsu reference with selected M2\/M2.5\/M3.5, M4\/M5, MFS2\/MFS2.5\/MFS3.5, and MFS4\/MFS5\/MFS6 engine applications. Always confirm the exact model and service information before installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSingle aftermarket water pump impeller.\u003c\/li\u003e\n  \u003cli\u003eSix-blade design for the listed outboard applications.\u003c\/li\u003e\n  \u003cli\u003eInside diameter: 10.25 mm.\u003c\/li\u003e\n  \u003cli\u003eOutside diameter: 33.6 mm.\u003c\/li\u003e\n  \u003cli\u003eWidth: 14.2 mm.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eThe following OEM and aftermarket references are associated with this impeller. A reference number alone does not replace confirmation of the complete engine model and application.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Part Number Interchange\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n\u003cth\u003eBrand or Supplier\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\u003e369-65021-1\u003c\/td\u003e\n\u003ctd\u003eOEM reference\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003e369650211M\u003c\/td\u003e\n\u003ctd\u003eOEM reference format\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury Marine\u003c\/td\u003e\n\u003ctd\u003e47-16154-3\u003c\/td\u003e\n\u003ctd\u003eOEM reference\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury Marine\u003c\/td\u003e\n\u003ctd\u003e47-161543\u003c\/td\u003e\n\u003ctd\u003eOEM reference format\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury Marine\u003c\/td\u003e\n\u003ctd\u003e8M0204676\u003c\/td\u003e\n\u003ctd\u003eReference number\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eEvinrude \/ Johnson \/ OMC \/ BRP\u003c\/td\u003e\n\u003ctd\u003e5040180\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\u003e18-3098\u003c\/td\u003e\n\u003ctd\u003eAftermarket reference\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMallory\u003c\/td\u003e\n\u003ctd\u003e9-45302\u003c\/td\u003e\n\u003ctd\u003eAftermarket reference\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eFitment is application-specific. Keep the horsepower, stroke, model family, and any carburetor or serial-number conditions together when checking your engine. The table below summarizes the applications explicitly identified for this product and related catalog records.\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\u003eModel or Application\u003c\/th\u003e\n        \u003cth\u003eRated HP\u003c\/th\u003e\n        \u003cth\u003eStroke\u003c\/th\u003e\n        \u003cth\u003eApplication Notes\u003c\/th\u003e\n        \u003cth\u003eReference\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd\u003eNissan\u003c\/td\u003e\n\u003ctd\u003e3.5B \/ NS5B\u003c\/td\u003e\n\u003ctd\u003e3.5–5\u003c\/td\u003e\n\u003ctd\u003eNot stated in company record\u003c\/td\u003e\n\u003ctd\u003eConfirm exact model designation\u003c\/td\u003e\n\u003ctd\u003e369-65021-1\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003e2 HP\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eCompany-listed application\u003c\/td\u003e\n\u003ctd\u003e369-65021-1\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003e2.5 HP; 2.5A; 3.5A; 3.5B\u003c\/td\u003e\n\u003ctd\u003e2.5–3.5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eCompany-listed application\u003c\/td\u003e\n\u003ctd\u003e369-65021-1\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003e3.5 HP\u003c\/td\u003e\n\u003ctd\u003e3.5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eCompany-listed application\u003c\/td\u003e\n\u003ctd\u003e369-65021-1\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003e4 HP \/ 5 HP\u003c\/td\u003e\n\u003ctd\u003e4–5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003eCompany-listed application\u003c\/td\u003e\n\u003ctd\u003e369-65021-1\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eTohatsu\u003c\/td\u003e\n\u003ctd\u003eMFS4 \/ MFS5 \/ MFS6\u003c\/td\u003e\n\u003ctd\u003e4–6\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003eCompany-listed application\u003c\/td\u003e\n\u003ctd\u003e369-65021-1\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury \/ Mariner\u003c\/td\u003e\n\u003ctd\u003e4-stroke 2 HP, 2.5 HP, and 3.5 HP carbureted models\u003c\/td\u003e\n\u003ctd\u003e2–3.5\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003eConfirm carburetor version and exact model\u003c\/td\u003e\n\u003ctd\u003e47-16154-3\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n  \u003cdt\u003eProduct Type\u003c\/dt\u003e\n  \u003cdd\u003eWater Pump Impeller\u003c\/dd\u003e\n  \u003cdt\u003eProduct Construction\u003c\/dt\u003e\n  \u003cdd\u003eRubber impeller\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n  \u003cdd\u003eReplacement water pump component\u003c\/dd\u003e\n  \u003cdt\u003eInside Diameter\u003c\/dt\u003e\n  \u003cdd\u003e10.25 mm\u003c\/dd\u003e\n  \u003cdt\u003eOutside Diameter\u003c\/dt\u003e\n  \u003cdd\u003e33.6 mm\u003c\/dd\u003e\n  \u003cdt\u003eWidth\u003c\/dt\u003e\n  \u003cdd\u003e14.2 mm\u003c\/dd\u003e\n  \u003cdt\u003eBlade Configuration\u003c\/dt\u003e\n  \u003cdd\u003e6 blades\u003c\/dd\u003e\n  \u003cdt\u003eQuantity\u003c\/dt\u003e\n  \u003cdd\u003e1 impeller\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 aftermarket water pump impeller\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eConfirm the engine model, stroke, application details, and original impeller reference before starting work.\u003c\/li\u003e\n  \u003cli\u003eFollow the outboard manufacturer's service procedure for removing the lower unit and water pump housing.\u003c\/li\u003e\n  \u003cli\u003eRemove the old impeller and inspect the housing, wear plate, key, water tube, and related pump components for damage or corrosion.\u003c\/li\u003e\n  \u003cli\u003eClean debris and corrosion from the pump area before installing the replacement impeller.\u003c\/li\u003e\n  \u003cli\u003eInstall the impeller in the same orientation specified by the service manual. Use only an installation lubricant approved for the application.\u003c\/li\u003e\n  \u003cli\u003eReassemble the water pump and lower unit using the manufacturer's tightening sequence and torque specifications.\u003c\/li\u003e\n  \u003cli\u003eRun the engine only in an appropriate water supply or service tank and verify a strong cooling-water discharge 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 that this impeller fits my engine?\u003c\/summary\u003e\n  \u003cp\u003eCompare your original impeller's reference number and dimensions, then check the complete engine model, horsepower, stroke, and application details against the compatibility information above. For Mercury\/Mariner models, confirm the 4-stroke 2 HP, 2.5 HP, or 3.5 HP carbureted application. If the model or part details differ, consult the engine service manual before ordering.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat are common signs of a worn water pump impeller?\u003c\/summary\u003e\n  \u003cp\u003eA weak or missing tell-tale stream, overheating, or visible cracked, brittle, distorted, or missing blades can indicate that the impeller or another cooling-system component requires service.\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 OEM and aftermarket numbers shown above are reference numbers used to help identify applications; the product is not represented as a genuine OEM component.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eDoes the package include a key, gasket, or water pump housing?\u003c\/summary\u003e\n  \u003cp\u003eNo. The package contains one water pump impeller only. A key, gasket, housing, wear plate, or complete water pump kit is not included unless separately stated in the order details.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eHow often should the impeller be replaced?\u003c\/summary\u003e\n  \u003cp\u003eReplacement timing depends on the engine manufacturer's maintenance schedule and operating conditions. Inspect the impeller during scheduled water pump service and replace it if the blades show wear, cracking, distortion, or damage.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Information\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify the original part number, dimensions, engine model, horsepower, and stroke before purchase.\u003c\/li\u003e\n  \u003cli\u003eDo not rely on horsepower alone to determine fitment; model family and application details can change the required impeller.\u003c\/li\u003e\n  \u003cli\u003eUse the manufacturer's service manual for lower-unit removal, installation orientation, torque specifications, and testing procedures.\u003c\/li\u003e\n  \u003cli\u003eThis is an aftermarket replacement component and is not a genuine OEM part.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation by a qualified marine technician is recommended when the required service procedure is unfamiliar.\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 provide aftermarket components for routine outboard maintenance and repair.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication-Focused Information\u003c\/strong\u003e — Product references and fitment details are presented to help customers compare their original part and engine specifications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePractical Service Support\u003c\/strong\u003e — Follow the engine manufacturer's service instructions for safe installation and reliable operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723801530683,"sku":"17IT001","price":14.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/17IT0011_0dc8836f-1498-48cd-bd0b-0cdc8bf62f2c.jpg?v=1763032196"},{"product_id":"water-pump-impeller-kit-fits-mercury-mariner-3-5-9-8-hp-replaces-47-89980t1-89980q1","title":"Water Pump Housing Kit for Mercury\/Mariner 4, 4.5, 7.5 \u0026 9.8 HP 2-Stroke (1975–1985) – Replaces OEM 47-89980T1","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\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003eWater Pump Housing Kit\u003c\/strong\u003e is a replacement water-pump service assembly for selected Mercury and Mariner 2-stroke outboards rated at 4, 4.5, 7.5, and 9.8 HP from 1975 through 1985. The kit is intended for applications using the 0.438-inch impeller inside diameter and the impeller associated with OEM reference 47-89980T1.\u003c\/p\u003e\n\u003cp\u003eThe catalog application identifies this configuration as a water pump housing kit that includes the housing-related service components needed to renew the pump assembly. Confirm the engine model, production year, existing housing, impeller dimensions, and OEM reference before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eComplete water pump housing kit for specified Mercury\/Mariner 2-stroke applications.\u003c\/li\u003e\n  \u003cli\u003eDesigned for applications using a 0.438-inch impeller inside diameter.\u003c\/li\u003e\n  \u003cli\u003eSupplied with the housing, impeller, wear plate, O-rings, and seal listed below.\u003c\/li\u003e\n  \u003cli\u003eAftermarket replacement; not an original Mercury component.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse the following reference to compare this kit with the applicable manufacturer part number.\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 Type\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\u003e47-89980T1\u003c\/td\u003e\n        \u003ctd\u003eOEM application reference\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eFitment must be confirmed against the exact engine model and year. The application information below is limited to the catalog range associated with OEM reference 47-89980T1.\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\u003eEngine Type\u003c\/th\u003e\n        \u003cth\u003eRated HP\u003c\/th\u003e\n        \u003cth\u003eStroke\u003c\/th\u003e\n        \u003cth\u003eYears\u003c\/th\u003e\n        \u003cth\u003eOEM Reference\u003c\/th\u003e\n        \u003cth\u003eApplication Note\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\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1975–1985\u003c\/td\u003e\n        \u003ctd\u003e47-89980T1\u003c\/td\u003e\n        \u003ctd\u003eUses 0.438-inch impeller inside diameter\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\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1975–1985\u003c\/td\u003e\n        \u003ctd\u003e47-89980T1\u003c\/td\u003e\n        \u003ctd\u003eUses 0.438-inch impeller inside diameter\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\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1975–1985\u003c\/td\u003e\n        \u003ctd\u003e47-89980T1\u003c\/td\u003e\n        \u003ctd\u003eUses 0.438-inch impeller inside diameter\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\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1975–1985\u003c\/td\u003e\n        \u003ctd\u003e47-89980T1\u003c\/td\u003e\n        \u003ctd\u003eUses 0.438-inch impeller inside diameter\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 housing kit\u003c\/dd\u003e\n  \u003cdt\u003eApplication\u003c\/dt\u003e\n  \u003cdd\u003eMercury\/Mariner 2-stroke outboards\u003c\/dd\u003e\n  \u003cdt\u003eRated Horsepower\u003c\/dt\u003e\n  \u003cdd\u003e4, 4.5, 7.5, and 9.8 HP\u003c\/dd\u003e\n  \u003cdt\u003eApplication Years\u003c\/dt\u003e\n  \u003cdd\u003e1975–1985\u003c\/dd\u003e\n  \u003cdt\u003eImpeller Inside Diameter\u003c\/dt\u003e\n  \u003cdd\u003e0.438 inch\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n  \u003cdd\u003eReplacement water pump service assembly\u003c\/dd\u003e\n  \u003cdt\u003ePart Status\u003c\/dt\u003e\n  \u003cdd\u003eAftermarket replacement, not OEM\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 sleeve\u003c\/li\u003e\n  \u003cli\u003e1 x Water pump impeller\u003c\/li\u003e\n  \u003cli\u003e1 x Wear plate\u003c\/li\u003e\n  \u003cli\u003e1 x O-ring\u003c\/li\u003e\n  \u003cli\u003e1 x O-ring\u003c\/li\u003e\n  \u003cli\u003e1 x Water pump seal\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eComponent identifiers may vary by production batch or packaging. Compare the supplied parts with the removed assembly before installation.\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 servicing the outboard.\u003c\/li\u003e\n  \u003cli\u003ePlace a drain pan beneath the gearcase and drain the lower-unit lubricant according to the service manual.\u003c\/li\u003e\n  \u003cli\u003eRemove the fasteners securing the gearcase to the midsection, then lower the gearcase carefully.\u003c\/li\u003e\n  \u003cli\u003eRemove the water pump housing and note the orientation of the impeller, key, wear plate, seals, and gaskets.\u003c\/li\u003e\n  \u003cli\u003eClean the mating surfaces and remove old gasket material, corrosion, and debris.\u003c\/li\u003e\n  \u003cli\u003eInstall the supplied wear plate, seals, O-rings, and related pump components in the same orientation as the original assembly.\u003c\/li\u003e\n  \u003cli\u003eInstall the impeller on the driveshaft with the drive key correctly positioned. Lubricate the pump components as recommended by the engine service manual.\u003c\/li\u003e\n  \u003cli\u003eReinstall the housing and tighten its fasteners to the manufacturer's specified torque.\u003c\/li\u003e\n  \u003cli\u003eReattach the gearcase and refill the lower unit with the correct lubricant.\u003c\/li\u003e\n  \u003cli\u003eRun the engine only in water or with an approved flushing device, then verify a steady cooling-water stream and check for 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 that this kit fits my engine?\u003c\/summary\u003e\n  \u003cp\u003eConfirm that your outboard is a Mercury or Mariner 2-stroke rated at 4, 4.5, 7.5, or 9.8 HP, produced during 1975–1985, and that the existing water-pump application uses OEM reference 47-89980T1 and a 0.438-inch impeller inside diameter. The exact model designation and service-manual information should be checked before ordering.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs this an impeller-only kit?\u003c\/summary\u003e\n  \u003cp\u003eNo. This listing is for a water pump housing kit. It includes the water-pump service components listed in the package contents rather than an impeller alone.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat are common signs of a worn water-pump assembly?\u003c\/summary\u003e\n  \u003cp\u003ePossible symptoms include a weak or absent tell-tale stream, overheating, steam, reduced cooling-water flow, or visible damage to the impeller, housing, wear plate, or seals. Stop operation if the engine overheats and inspect the cooling system.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eShould the impeller and housing be replaced together?\u003c\/summary\u003e\n  \u003cp\u003eReplacing worn pump components together can help restore the intended sealing and pumping surfaces. Inspect the driveshaft key, housing, wear plate, seals, and mating surfaces during service and replace any damaged parts.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs anything else needed for installation?\u003c\/summary\u003e\n  \u003cp\u003eDepending on the condition of the engine and the service procedure, additional items may be required, such as lower-unit lubricant, suitable marine lubricant, replacement fasteners, or gaskets not included in this package. Follow the engine manufacturer's service instructions.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eIs this an OEM component?\u003c\/summary\u003e\n  \u003cp\u003eNo. This is an aftermarket replacement kit intended for the stated application. The OEM number is provided only as an application reference.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Information\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify the exact model, horsepower, stroke, year, OEM reference, and impeller dimensions before purchase.\u003c\/li\u003e\n  \u003cli\u003eDo not operate an outboard without an adequate water supply for cooling.\u003c\/li\u003e\n  \u003cli\u003eUse the engine service manual for torque values, sealing procedures, gearcase removal, and final testing.\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\u003eThis product is an aftermarket replacement and is not manufactured by Mercury or Mariner.\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 aftermarket components for routine marine service and repair.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication-Focused Listings\u003c\/strong\u003e — Compatibility information is organized by engine type, horsepower, stroke, year, and reference number.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService Support\u003c\/strong\u003e — Review the application details and compare the original assembly before installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723963666747,"sku":"6Y-JF9V-8O9J","price":30.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/6Y-JF9V-8O9J.png?v=1763038507"},{"product_id":"water-pump-impeller-kit-fits-mercury-mariner-3-9-9-8-hp-replaces-47-89980t1-47-89980q1","title":"Water Pump Impeller Kit for Mercury\/Mariner 3.5–9.8 HP 2-Stroke Outboards — Replaces 47-89980T1 and 47-89980Q1","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 Impeller Kit\u003c\/strong\u003e is intended for selected Mercury and Mariner 2-stroke outboards from 3.5 to 9.8 HP. The listed applications cover models manufactured between 1975 and 1986 and require an impeller with a 0.438-inch hub diameter. Always confirm the complete engine model, production year, and serial number before ordering.\u003c\/p\u003e\n\u003cp\u003eThis aftermarket replacement kit is listed for use in place of Mercury 47-89980T1 and 47-89980Q1, Sierra 18-3006, GLM 700-12271, and SEI 96-260-03AK references.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned as a direct replacement for the specified water-pump applications.\u003c\/li\u003e\n  \u003cli\u003eNeoprene rubber impeller provides dependable water flow through the raw-water cooling system.\u003c\/li\u003e\n  \u003cli\u003eKit includes the impeller, outer plate, key, guide sleeve, seal, and O-rings for a complete water-pump service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse the following references together with your engine model and serial number to confirm compatibility.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n\u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e47-89980T1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e47-89980Q1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSierra\u003c\/td\u003e\n\u003ctd\u003e18-3006\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGLM\u003c\/td\u003e\n\u003ctd\u003e700-12271\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSEI\u003c\/td\u003e\n\u003ctd\u003e96-260-03AK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eThe applications below are the listed fitment range for this kit. Model, horsepower, stroke, year, manufacturing location, and serial range must be considered together. Do not rely on horsepower alone to confirm fitment.\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\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\u003eOEM Part No.\u003c\/th\u003e\n\u003cth\u003eNotes\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\u003eModel 110\u003c\/td\u003e\n\u003ctd\u003e9.8\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1979–1985\u003c\/td\u003e\n\u003ctd\u003e47-89980T1\u003c\/td\u003e\n\u003ctd\u003eMade in USA: Serial Range 5206550 \u0026amp; Up\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003e7.5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1979–1986\u003c\/td\u003e\n\u003ctd\u003e47-89980T1\u003c\/td\u003e\n\u003ctd\u003eMade in USA: Serial Range 5206550 \u0026amp; Up\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e1-Cyl.\u003c\/td\u003e\n\u003ctd\u003e4.5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1980–1985\u003c\/td\u003e\n\u003ctd\u003e47-89980T1\u003c\/td\u003e\n\u003ctd\u003eMade in USA: Serial Range 5595532 \u0026amp; Up\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e1-Cyl.\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1982–1986\u003c\/td\u003e\n\u003ctd\u003e47-89980T1\u003c\/td\u003e\n\u003ctd\u003eMade in USA: Serial Range 5595532–0A809600\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003e3.6\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1975–1986\u003c\/td\u003e\n\u003ctd\u003e47-89980T1\u003c\/td\u003e\n\u003ctd\u003eSerial Range 5404657 \u0026amp; Up\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003e3.5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1975–1986\u003c\/td\u003e\n\u003ctd\u003e47-89980T1\u003c\/td\u003e\n\u003ctd\u003eSerial Range 6202173 \u0026amp; Up\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003eModel 110\u003c\/td\u003e\n\u003ctd\u003e9.8\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1979–1985\u003c\/td\u003e\n\u003ctd\u003e47-89980T1\u003c\/td\u003e\n\u003ctd\u003eMade in Australia: Serial Range 8057545 \u0026amp; Up\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003e7.5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1979–1986\u003c\/td\u003e\n\u003ctd\u003e47-89980T1\u003c\/td\u003e\n\u003ctd\u003eMade in Australia: Serial Range 8057545 \u0026amp; Up\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e1-Cyl.\u003c\/td\u003e\n\u003ctd\u003e4.5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1980–1985\u003c\/td\u003e\n\u003ctd\u003e47-89980T1\u003c\/td\u003e\n\u003ctd\u003eMade in Australia: Serial Range 8068065 \u0026amp; Up\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e1-Cyl.\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1982–1986\u003c\/td\u003e\n\u003ctd\u003e47-89980T1\u003c\/td\u003e\n\u003ctd\u003eMade in Australia: Serial Range 8068065 \u0026amp; Up\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003eModel 110\u003c\/td\u003e\n\u003ctd\u003e9.8\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1979–1985\u003c\/td\u003e\n\u003ctd\u003e47-89980T1\u003c\/td\u003e\n\u003ctd\u003eMade in Belgium: Serial Range 9217756 \u0026amp; Up\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003e7.5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1979–1986\u003c\/td\u003e\n\u003ctd\u003e47-89980T1\u003c\/td\u003e\n\u003ctd\u003eMade in Belgium: Serial Range 9217756 \u0026amp; Up\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e1-Cyl.\u003c\/td\u003e\n\u003ctd\u003e4.5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1980–1985\u003c\/td\u003e\n\u003ctd\u003e47-89980T1\u003c\/td\u003e\n\u003ctd\u003eMade in Belgium: Serial Range 9258281 \u0026amp; Up\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e1-Cyl.\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1982–1986\u003c\/td\u003e\n\u003ctd\u003e47-89980T1\u003c\/td\u003e\n\u003ctd\u003eMade in Belgium: Serial Range 9258281–9477829\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003eModel 110\u003c\/td\u003e\n\u003ctd\u003e9.8\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1979–1985\u003c\/td\u003e\n\u003ctd\u003e47-89980T1\u003c\/td\u003e\n\u003ctd\u003eMade in Canada: Serial Range 7125388 \u0026amp; Up\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003e7.5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1979–1986\u003c\/td\u003e\n\u003ctd\u003e47-89980T1\u003c\/td\u003e\n\u003ctd\u003eMade in Canada: Serial Range 7125388 \u0026amp; Up\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e1-Cyl.\u003c\/td\u003e\n\u003ctd\u003e4.5\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1980–1985\u003c\/td\u003e\n\u003ctd\u003e47-89980T1\u003c\/td\u003e\n\u003ctd\u003eMade in Canada: Serial Range 7147238 \u0026amp; Up\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n\u003ctd\u003e1-Cyl.\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e2-Stroke\u003c\/td\u003e\n\u003ctd\u003e1982–1986\u003c\/td\u003e\n\u003ctd\u003e47-89980T1\u003c\/td\u003e\n\u003ctd\u003eMade in Canada: Serial Range 7143688 \u0026amp; Up\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 impeller kit\u003c\/dd\u003e\n\u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eDirect replacement\u003c\/dd\u003e\n\u003cdt\u003eImpeller ID\u003c\/dt\u003e\n\u003cdd\u003e0.438 in. (11.13 mm)\u003c\/dd\u003e\n\u003cdt\u003eImpeller OD\u003c\/dt\u003e\n\u003cdd\u003e1.26 in. (32 mm)\u003c\/dd\u003e\n\u003cdt\u003eImpeller Height\u003c\/dt\u003e\n\u003cdd\u003e0.57 in. (14.4 mm)\u003c\/dd\u003e\n\u003cdt\u003eNumber of Blades\u003c\/dt\u003e\n\u003cdd\u003e6\u003c\/dd\u003e\n\u003cdt\u003eMaterial\u003c\/dt\u003e\n\u003cdd\u003eNeoprene rubber impeller\u003c\/dd\u003e\n\u003cdt\u003eHousing Color\u003c\/dt\u003e\n\u003cdd\u003eBlack\u003c\/dd\u003e\n\u003cdt\u003eOperating Temperature\u003c\/dt\u003e\n\u003cdd\u003eUp to 105°C (221°F)\u003c\/dd\u003e\n\u003cdt\u003eApplication\u003c\/dt\u003e\n\u003cdd\u003eRaw-water cooling systems in the specified marine engines\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 × Water pump impeller, reference 47-89980\u003c\/li\u003e\n\u003cli\u003e1 × Cartridge outer plate, reference 46895\u003c\/li\u003e\n\u003cli\u003e1 × Woodruff impeller key\u003c\/li\u003e\n\u003cli\u003e1 × Water-inlet-tube guide sleeve\u003c\/li\u003e\n\u003cli\u003e1 × Seal\u003c\/li\u003e\n\u003cli\u003e2 × O-rings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eDisconnect the battery and remove the engine cover.\u003c\/li\u003e\n\u003cli\u003ePlace a drain pan under the lower unit and remove the gearcase oil drain screw to drain the oil.\u003c\/li\u003e\n\u003cli\u003eDisconnect the shift linkage and remove the bolts securing the lower unit to the engine.\u003c\/li\u003e\n\u003cli\u003eCarefully lower and remove the gearcase assembly.\u003c\/li\u003e\n\u003cli\u003eRemove the water-pump housing to access the impeller, and note the orientation of the original parts.\u003c\/li\u003e\n\u003cli\u003eRemove the old impeller, key, plate, and seals. Clean the mating surfaces thoroughly.\u003c\/li\u003e\n\u003cli\u003eInstall the replacement components in the reverse order of removal. Lightly lubricate the new impeller as appropriate for the installation.\u003c\/li\u003e\n\u003cli\u003eOrient the impeller blades correctly inside the housing, typically by turning the driveshaft clockwise while lowering the housing.\u003c\/li\u003e\n\u003cli\u003eReinstall the water-pump housing and tighten the fasteners to the engine manufacturer’s specifications.\u003c\/li\u003e\n\u003cli\u003eReassemble the lower unit, reconnect the shift linkage, and refill the gearcase oil.\u003c\/li\u003e\n\u003cli\u003eReconnect the battery and test the engine in an appropriate water source to confirm proper water circulation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eHow do I know if this impeller kit fits my engine?\u003c\/summary\u003e\u003cp\u003eConfirm that your engine is a listed Mercury or Mariner 2-stroke model in the 3.5–9.8 HP range, then match the model, year, manufacturing location, and serial number with the compatibility table. Also compare the original impeller and key arrangement before installation.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat are the signs of a failing water-pump impeller?\u003c\/summary\u003e\u003cp\u003eCommon symptoms include a weak or absent tell-tale stream, an overheating warning, or reduced engine performance. A worn impeller may have cracked, brittle, deformed, or missing blades.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow often should I replace the water-pump impeller?\u003c\/summary\u003e\u003cp\u003eInspect the impeller regularly and replace it according to the engine manufacturer’s maintenance schedule. Frequent operation in sandy or silty water may require more frequent inspection and replacement.\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 listed for the referenced Mercury, Mariner, Sierra, GLM, and SEI applications. It is not manufactured by Mercury Marine.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow fast is shipping?\u003c\/summary\u003e\u003cp\u003eTypical transit is 5–15 days. Standard shipping is free, and expedited options may be available at checkout depending on destination.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat are the warranty and return terms?\u003c\/summary\u003e\u003cp\u003eThis product is covered by a 1-year warranty against manufacturing defects under normal use. Returns are accepted within the applicable policy period for unused items in their original condition.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Information\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eVerify the engine model, year, serial number, original part, dimensions, and key arrangement before purchase.\u003c\/li\u003e\n\u003cli\u003eDo not install the part if the original component differs from the listed specifications or fitment details.\u003c\/li\u003e\n\u003cli\u003eThis is an aftermarket replacement part, not an original-equipment manufacturer component.\u003c\/li\u003e\n\u003cli\u003eProfessional installation is recommended when 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\u003ePro-Grade Standards\u003c\/strong\u003e — We supply marine parts designed for demanding 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 supported by consistent materials and quality-control processes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723963699515,"sku":"20KM005-QM","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/20KM005-QM.png?v=1763038508"}],"url":"https:\/\/seasierra.com\/collections\/mercury-3-5hp-2-stroke-outboard-engine-parts.oembed","provider":"SeaSierra","version":"1.0","type":"link"}