{"title":"Mercury 2-Stroke 40-60HP 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 40–60HP outboard engines. Use it to quickly find compatible parts and practical service information. Below you’ll find maintenance tips, common replacement parts, and troubleshooting guidance. You can also browse the main Mercury collection for a wider selection of components. Scroll to the bottom of this page to start browsing parts for this engine, and remember that on the collection page you can use the Filter \u0026amp; Sort controls to narrow results by horsepower, year range, and part category.\u003c\/p\u003e\n  \u003cp\u003e\n    \u003ca href=\"https:\/\/seasierra.com\/collections\/mercury-outboard-parts\" style=\"display:inline-block; padding:10px 16px; background:#0ea5e9; color:#fff; text-decoration:none; border-radius:6px;\"\u003eBrowse All Mercury Parts\u003c\/a\u003e\n  \u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"identify-model\" style=\"margin-top:24px;\"\u003e\n  \u003ch2\u003eHow to Identify Your 40–60HP Model\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eLocate the engine serial plate: typically on the swivel bracket or transom bracket; a secondary label may be on the cylinder block.\u003c\/li\u003e\n    \u003cli\u003eRead the model\/serial details: suffixes may indicate shaft length (S\/L\/XL), starting\/controls (manual, electric, remote), and market year.\u003c\/li\u003e\n    \u003cli\u003eConfirm it’s a 2‑Stroke platform: look for an oil injection reservoir and lines (or premix requirements) and carburetors rather than EFI components.\u003c\/li\u003e\n    \u003cli\u003eNote gearcase type: standard vs. BigFoot\/Command Thrust affects propeller size and some gearcase service parts.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"engine-overview\" style=\"margin-top:24px;\"\u003e\n  \u003ch2\u003ePlatform Overview\u003c\/h2\u003e\n  \u003ch3\u003eInline‑3 Carbureted 2‑Stroke (most 40\/50\/60HP models)\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;\"\u003eConfiguration\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInline‑3, carbureted 2‑Stroke; oil‑injected on many models (premix on some earlier versions).\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eCommon Models\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e40\/50\/60HP 3‑cylinder 2‑Stroke models, standard or BigFoot gearcase variants.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eAdvantages\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eLightweight with strong low‑to‑mid‑range torque; simple maintenance; widely available service parts.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eIgnition and carburetor components are platform‑specific; gearcase ratio and prop fit differ between standard and BigFoot versions.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003eLegacy Inline‑4 2‑Stroke (select older 40\/50HP)\u003c\/h3\u003e\n  \u003ctable style=\"width:100%; border-collapse:collapse; margin-top:12px;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #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;\"\u003eConfiguration\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInline‑4, carbureted 2‑Stroke; found on older\/larger‑block 40–50HP variants.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eCommon Models\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eSelected earlier 40\/50HP 2‑Stroke models (region\/year dependent).\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eAdvantages\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eSmooth operation and durable gearcase; strong parts support for routine items.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eNotes\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eIgnition, carb, and gasket sets differ from the later 3‑cylinder platform; always verify by serial number.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"service-kits\" style=\"margin-top:24px;\"\u003e\n  \u003ch2\u003eRoutine Maintenance \u0026amp; Service Parts\u003c\/h2\u003e\n  \u003cp\u003eIntervals below are general guidelines for Mercury 2‑Stroke 40–60HP engines. Always follow your specific service manual and adjust for heavy use, sandy\/silty waters, or extended idling.\u003c\/p\u003e\n  \u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:8px;\"\u003eItem\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:8px;\"\u003eInterval*\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:8px;\"\u003eRemarks\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:8px;\"\u003eParts Link\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eGear oil (lower unit)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eEvery 100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eCheck for water intrusion and metal; replace seals if contamination is found.\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      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eSpark plugs\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eEvery 100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect color\/gap; replace if fouled or worn.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/spark-plug\"\u003eSpark Plugs\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInline fuel filter\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eEvery 100 hours or annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eReplace sooner if debris or water is present; keep a spare onboard.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/fuel-filters-1\"\u003eFuel Filters\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eWater pump impeller \/ kit\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eEvery 2 years or 200 hours\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eAnnually in sandy\/muddy use; verify tell‑tale stream and operating temp.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/mercury-water-pump-repair-kits\"\u003eMercury Water Pump Repair Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eAnodes (trim tab, gearcase, block)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect monthly; replace at ~50% depletion\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eChoose material for your waters (aluminum, zinc, magnesium).\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/anodes\"\u003eAnodes\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eOil injection system (if equipped)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eCheck tank level, cap seal, lines, and strainer; bleed system after service. Premix models: verify mix ratio.\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      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eThermostat\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eEvery 2 years or if cooling issues arise\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eReplace if stuck or corroded; verify correct opening temp.\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      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003ePropeller \u0026amp; hub\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect each trip; remove\/grease annually\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eCheck for dings and fishing line; ensure correct pitch for load.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/propellers\"\u003ePropellers\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eLower unit seals (as needed)\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect when leaks or milky gear oil appear\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eReplace prop shaft\/driveshaft\/shift seals if compromised.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/mercury-lower-unit-seal-kits\"\u003eMercury Lower Unit Seal Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"common-parts\" style=\"margin-top:24px;\"\u003e\n  \u003ch2\u003eFrequently Used Parts Categories\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eRoutine Service \u0026amp; Tune‑Up – \u003ca href=\"https:\/\/seasierra.com\/collections\/service-maintenance-kits\"\u003eService \u0026amp; Maintenance Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCooling System – \u003ca href=\"https:\/\/seasierra.com\/collections\/mercury-water-pump-repair-kits\"\u003eMercury Water Pump Repair Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eFuel System – \u003ca href=\"https:\/\/seasierra.com\/collections\/fuel-filters-1\"\u003eFuel Filters\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eIgnition \/ Electrical – \u003ca href=\"https:\/\/seasierra.com\/collections\/electrical-items\"\u003eElectrical Items\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eGearcase \u0026amp; Sealing – \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\u003eCorrosion Protection – \u003ca href=\"https:\/\/seasierra.com\/collections\/anodes\"\u003eAnodes\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003ePropellers \u0026amp; Hardware – \u003ca href=\"https:\/\/seasierra.com\/collections\/propellers\"\u003ePropellers\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"troubleshooting\" style=\"margin-top:24px;\"\u003e\n  \u003ch2\u003eCommon Symptoms \u0026amp; Quick Checks\u003c\/h2\u003e\n  \u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:8px;\"\u003eSymptom\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:8px;\"\u003eCheck First\u003c\/th\u003e\n        \u003cth style=\"text-align:left; border-bottom:1px solid #e5e7eb; padding:8px;\"\u003eRelated Parts\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eWeak tell‑tale stream or overheat alarm\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eInspect intake screens for debris; verify impeller age; test thermostat function.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eWater pump kit, thermostat, intake screens, gaskets\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003ePoor acceleration or power loss\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eCheck prop damage\/slip; inspect spark plugs; replace fuel filter; test fuel delivery.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003ePropeller\/hub kit, spark plugs, fuel filter, fuel pump components\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eHard starting or rough idle\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003ePrime bulb; verify choke\/enricher operation; look for air leaks in fuel lines; confirm plug condition.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eFuel lines\/hoses, fuel filter, spark plugs, gaskets\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eExcessive 2‑Stroke smoke\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eVerify oil ratio (premix) or oil injection calibration; check for stuck check valves or leaking lines.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eOil injection lines\/filters, check valves, fuel system parts\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding:8px;\"\u003eGearcase noise or metal in gear oil\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eConfirm gear oil level\/condition; inspect prop shaft seal for line damage; pressure\/vacuum test case.\u003c\/td\u003e\n        \u003ctd style=\"padding:8px;\"\u003eLower unit seal kit, gear lube, prop hub components\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"faq\" style=\"margin-top:24px;\"\u003e\n  \u003ch2\u003eFAQs\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eAre parts interchangeable across different years or platforms?\u003c\/summary\u003e\n    \u003cp\u003eSome service items (impellers, anodes, many seals) may overlap, but ignition, carburetion, and gaskets can differ between 3‑cylinder and legacy 4‑cylinder platforms. Always confirm by serial number before ordering.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhen should the water pump impeller be replaced?\u003c\/summary\u003e\n    \u003cp\u003eAs a rule of thumb, every 2 years or 200 hours; replace annually if you operate in sandy\/muddy water, run aground, or see weak tell‑tale flow.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should the lower unit gear oil be changed?\u003c\/summary\u003e\n    \u003cp\u003eChange gear oil every 100 hours or at least once per season, and always before winterization. Inspect for water (milky oil) and metal.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat information helps confirm part compatibility?\u003c\/summary\u003e\n    \u003cp\u003eProvide the engine serial number, model code, horsepower, shaft length, and gearcase type (standard vs. BigFoot). Photos of the serial plate and the part being replaced are also helpful.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"cta\" style=\"margin-top:24px; padding:16px; border:1px solid #e5e7eb; border-radius:8px;\"\u003e\n  \u003cp\u003eReady to find the right parts for your Mercury 2‑Stroke 40–60HP? Browse the main Mercury collection and refine by horsepower, year, and model.\u003c\/p\u003e\n  \u003cp\u003e\n    \u003ca href=\"https:\/\/seasierra.com\/collections\/mercury-outboard-parts\" style=\"display:inline-block; padding:10px 16px; background:#0ea5e9; color:#fff; text-decoration:none; border-radius:6px;\"\u003eShop Mercury Outboard Parts\u003c\/a\u003e\n  \u003c\/p\u003e\n  \u003cp style=\"font-size:0.95em; color:#374151;\"\u003eIf you’re unsure about your model, send us a clear photo of the nameplate and the part you need—we’ll help verify compatibility.\u003c\/p\u003e\n\u003c\/section\u003e","products":[{"product_id":"water-pump-impeller-housing-fits-mercury-mariner-40-60-hp-replaces-14334a3-812966a12","title":"Water Pump Housing for Mercury, Mariner \u0026 Force 30–60 HP Outboards – OEM 14334A3","description":"\u003c!-- 🔧 Table Styles (include only once per page) --\u003e\n\u003cstyle\u003e\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n  table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n  table.ss-table th, table.ss-table td {\n    padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n  }\n  table.ss-table th {\n    white-space:nowrap;\n    word-break:normal;\n    letter-spacing:normal;\n    font-weight:600;\n    background:#f8fafc;\n  }\n  @media (max-width:480px){\n    table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n  }\n\u003c\/style\u003e\n\u003csection\u003e\n  \u003ch2\u003eProduct Details\u003c\/h2\u003e\n  \u003cp\u003eThis aftermarket \u003cstrong\u003eWater Pump Housing\u003c\/strong\u003e is a replacement upper housing for selected Mercury, Mariner and Force outboard water-pump assemblies. It supports applications using OEM reference \u003cstrong\u003e14334A3\u003c\/strong\u003e and is designed to retain the water-pump impeller in the cooling system.\u003c\/p\u003e\n  \u003cp\u003eThis listing is for the housing only. It is not a complete water-pump kit and does not include an impeller, base, plate, gaskets, washers, key or other service components.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eReplacement upper water-pump housing for selected 2-stroke and 4-stroke applications.\u003c\/li\u003e\n    \u003cli\u003eCustomer-facing OEM reference: Mercury\/Mariner\/Force 14334A3.\u003c\/li\u003e\n    \u003cli\u003eAftermarket component supplied as one housing.\u003c\/li\u003e\n    \u003cli\u003eVerify the engine model, horsepower, stroke, serial number and original housing before ordering.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eReference Information\u003c\/h2\u003e\n  \u003cp\u003eCatalog references identify 14334A3 as a water-pump upper housing or upper housing service component for selected Mercury, Mariner and Force applications. Other numbers associated with water-pump kits or individual components are not automatically interchangeable with this housing.\u003c\/p\u003e\n  \u003cdiv class=\"ss-table-wrap\"\u003e\n    \u003ctable class=\"ss-table\" aria-label=\"Reference Information\"\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n          \u003cth\u003eBrand\u003c\/th\u003e\n          \u003cth\u003eReference\u003c\/th\u003e\n          \u003cth\u003ePart description\u003c\/th\u003e\n          \u003cth\u003eImportant note\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury \/ Mariner \/ Force\u003c\/td\u003e\n          \u003ctd\u003e14334A3\u003c\/td\u003e\n          \u003ctd\u003eWater pump upper housing\u003c\/td\u003e\n          \u003ctd\u003ePrimary manufacturer reference for this housing.\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury \/ Mariner \/ Force\u003c\/td\u003e\n          \u003ctd\u003e812966A12\u003c\/td\u003e\n          \u003ctd\u003eWater-pump service or impeller-kit reference\u003c\/td\u003e\n          \u003ctd\u003eDo not use this kit reference alone to identify the housing-only product.\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eSierra\u003c\/td\u003e\n          \u003ctd\u003e18-3578\u003c\/td\u003e\n          \u003ctd\u003eCirculating water pump reference\u003c\/td\u003e\n          \u003ctd\u003eNot confirmed as an equivalent to this outboard water-pump housing.\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n  \u003cp\u003eAvailable catalog evidence places housing reference 14334A3 in selected Mercury, Mariner and Force outboard water-pump applications in the approximately 30–60 HP range, including both 2-stroke and 4-stroke families. Some catalog listings also group related applications by model series, rather than by a single universal year range.\u003c\/p\u003e\n  \u003cp\u003eCompatibility can vary by stroke, model variant, gearcase, production year and serial-number range. The horsepower range below is a guide only and is not a substitute for checking the exact engine identification label and the original housing.\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 family\u003c\/th\u003e\n          \u003cth\u003eModel range shown in catalog references\u003c\/th\u003e\n          \u003cth\u003eRated horsepower\u003c\/th\u003e\n          \u003cth\u003eStroke\u003c\/th\u003e\n          \u003cth\u003eFitment condition\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury \/ Mariner \/ Force\u003c\/td\u003e\n          \u003ctd\u003eSelected standard and Formula outboard applications\u003c\/td\u003e\n          \u003ctd\u003e30–60 HP\u003c\/td\u003e\n          \u003ctd\u003e2-stroke and 4-stroke\u003c\/td\u003e\n          \u003ctd\u003eConfirm model and serial number before purchase.\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury \/ Mariner \/ Force\u003c\/td\u003e\n          \u003ctd\u003eSelected 4-stroke water-pump applications\u003c\/td\u003e\n          \u003ctd\u003e25–60 HP\u003c\/td\u003e\n          \u003ctd\u003e4-stroke\u003c\/td\u003e\n          \u003ctd\u003eUse the original housing and engine identification to verify the match.\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury \/ Mariner \/ Force\u003c\/td\u003e\n          \u003ctd\u003eSelected 2-stroke water-pump applications\u003c\/td\u003e\n          \u003ctd\u003e30–70 HP\u003c\/td\u003e\n          \u003ctd\u003e2-stroke\u003c\/td\u003e\n          \u003ctd\u003eNot every engine in this horsepower range uses the same housing.\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 Bigfoot, Jet, EFI, carbureted and other model variants may use different water-pump components even when the horsepower rating is similar. Do not rely on horsepower alone.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n  \u003cdl\u003e\n    \u003cdt\u003eProduct Type\u003c\/dt\u003e\n    \u003cdd\u003eWater pump upper housing\u003c\/dd\u003e\n    \u003cdt\u003eApplication\u003c\/dt\u003e\n    \u003cdd\u003eSelected Mercury, Mariner and Force outboard water-pump assemblies\u003c\/dd\u003e\n    \u003cdt\u003eReference Part Number\u003c\/dt\u003e\n    \u003cdd\u003e14334A3\u003c\/dd\u003e\n    \u003cdt\u003eStroke Coverage\u003c\/dt\u003e\n    \u003cdd\u003eSelected 2-stroke and 4-stroke applications; verify exact fitment\u003c\/dd\u003e\n    \u003cdt\u003eTypical Horsepower Range\u003c\/dt\u003e\n    \u003cdd\u003eApproximately 30–60 HP, depending on model and serial-number conditions\u003c\/dd\u003e\n    \u003cdt\u003eProduct Configuration\u003c\/dt\u003e\n    \u003cdd\u003eSingle housing; not a complete pump kit\u003c\/dd\u003e\n    \u003cdt\u003eMaterial \/ Color\u003c\/dt\u003e\n    \u003cdd\u003eAftermarket housing; verify appearance and dimensions against the original part\u003c\/dd\u003e\n  \u003c\/dl\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n  \u003cp\u003eEach order contains:\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003e1 × Water Pump Housing\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003e\u003cstrong\u003eNot included:\u003c\/strong\u003e impeller, impeller key, pump base, plate, coupler or guide tube, washers, gaskets, O-ring, bolts or complete water-pump service kit.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n  \u003col\u003e\n    \u003cli\u003eConfirm the engine model, year, stroke, horsepower and serial number before beginning work.\u003c\/li\u003e\n    \u003cli\u003eDisconnect the battery and place the outboard in neutral. Follow the engine manufacturer’s service procedure.\u003c\/li\u003e\n    \u003cli\u003eRemove the lower unit and water-pump cover or housing, keeping all components in their original order.\u003c\/li\u003e\n    \u003cli\u003eInspect the impeller, key, plate, base, gaskets and related components. Replace worn parts as required; they are not included with this housing.\u003c\/li\u003e\n    \u003cli\u003eClean the mating surfaces and check that the replacement housing matches the original in shape, height and fit.\u003c\/li\u003e\n    \u003cli\u003eInstall the housing with the correct gaskets and lubricant for the engine application. Do not reuse damaged sealing components.\u003c\/li\u003e\n    \u003cli\u003eReassemble the water pump and lower unit according to the manufacturer’s torque and alignment specifications.\u003c\/li\u003e\n    \u003cli\u003eAfter assembly, run the engine only with an appropriate water supply and confirm a steady tell-tale stream and normal operating temperature.\u003c\/li\u003e\n  \u003c\/ol\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs this a complete water-pump kit?\u003c\/summary\u003e\n    \u003cp\u003eNo. This listing is for one water-pump housing only. The impeller, base, plate, gaskets, key and other service parts must be purchased separately if required.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat OEM reference does this housing replace?\u003c\/summary\u003e\n    \u003cp\u003eThe primary catalog reference for this housing is Mercury\/Mariner\/Force 14334A3. Confirm the number and physical configuration against your original part before ordering.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eDoes reference 812966A12 identify this housing?\u003c\/summary\u003e\n    \u003cp\u003e812966A12 appears in catalog material as a water-pump service or impeller-kit reference. It should not be treated by itself as confirmation that a housing-only replacement fits your engine.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWill this fit every Mercury or Mariner 40–60 HP engine?\u003c\/summary\u003e\n    \u003cp\u003eNo. Fitment depends on the exact model family, stroke, production year, serial number and water-pump design. Compare the original housing and verify the engine’s complete identification before purchase.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eCan I replace only the housing?\u003c\/summary\u003e\n    \u003cp\u003eYes, if the impeller, plate, base, seals and other water-pump components remain serviceable and the replacement housing is the correct match. Inspect the complete assembly during service.\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 component intended for applications using the referenced housing specification.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eSafety \u0026amp; Important Information\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eVerify the complete engine model and serial-number range before ordering.\u003c\/li\u003e\n    \u003cli\u003eCompare the replacement housing with the original part, including its shape, height, sealing surfaces and impeller fit.\u003c\/li\u003e\n    \u003cli\u003eDo not operate an outboard without an adequate cooling-water supply.\u003c\/li\u003e\n    \u003cli\u003eProfessional installation is recommended when lower-unit removal or water-pump service is unfamiliar.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eWe supply aftermarket marine replacement parts for maintenance and repair applications.\u003c\/li\u003e\n    \u003cli\u003eParts are selected by application and reference number to help support accurate ordering.\u003c\/li\u003e\n    \u003cli\u003eFor the best fitment result, provide the engine brand, model, horsepower, stroke and serial number when requesting assistance.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723974381883,"sku":"19KM004-H","price":42.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/Water_Pump_Impeller_Housing_for_Mercury_40-60_HP_14334A_3_-_JLM_MARINE-8289879.jpg?v=1763038956"},{"product_id":"carb-set-fits-mercury-2-stroke-40-60-hp-replaces-821854t4-821854t5-821854t6","title":"Carb Set – Fits Mercury 2-Stroke 40-60 HP (Replaces 821854T4, 821854T5, 821854T6)","description":"\u003csection\u003e\n\u003c!-- 🔧 Table Styles (include only once per page) --\u003e\n\u003cstyle\u003e\n  \/* Outer container allows horizontal scrolling (with iOS momentum) *\/\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n\n  \/* Base table styles *\/\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\n  \/* Key: prevent wrapping, word breaks, and vertical text in headers *\/\n  table.ss-table th {\n    white-space:nowrap;       \/* Do not wrap *\/\n    word-break:normal;        \/* Don’t break words *\/\n    letter-spacing:normal;    \/* Prevent theme styles from stretching letters *\/\n    font-weight:600;\n    background:#f8fafc;\n  }\n\n  \/* Small screen optimization *\/\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\u003eTOP Center Bottom Carburetor Set\u003c\/strong\u003e is a direct-fit replacement engineered to restore performance to 3-cylinder Mercury outboards. It is designed for 40, 45, 55, and 60 HP 2-stroke models manufactured between 1999–2006.\u003c\/p\u003e\n\u003cp\u003eThis complete set directly replaces Mercury part numbers 821854T4 (Top), 821854T5 (Center), and 821854T6 (Bottom) and their subsequent supersessions, as well as the complete Sierra aftermarket set 18-7386.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned as a direct replacement for a straightforward, bolt-on installation.\u003c\/li\u003e\n\u003cli\u003eCompatible with all OEM factory fuel lines and throttle\/choke linkages.\u003c\/li\u003e\n\u003cli\u003eManufactured to OEM specifications in an ISO 9002 certified facility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse this matrix to confirm equivalent references across OEM and aftermarket.\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\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\u003e821854T4 \/ 821854A4 \/ 821854T19\u003c\/td\u003e\n        \u003ctd\u003eTop Carburetor\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003e821854T5 \/ 821854A5 \/ 821854T20\u003c\/td\u003e\n        \u003ctd\u003eCenter Carburetor\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003e821854T6 \/ 821854A6 \/ 821854T21\u003c\/td\u003e\n        \u003ctd\u003eBottom Carburetor\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eSierra\u003c\/td\u003e\n        \u003ctd\u003e18-7386\u003c\/td\u003e\n        \u003ctd\u003eComplete 3-Carburetor Set\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\u003eConfirm your engine model\/year in the table below.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Engine \u0026amp; Model Compatibility\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003eModel\u003c\/th\u003e\n        \u003cth\u003eRated HP\u003c\/th\u003e\n        \u003cth\u003eStroke\u003c\/th\u003e\n        \u003cth\u003eYears\u003c\/th\u003e\n        \u003cth\u003eOEM Part No.\u003c\/th\u003e\n        \u003cth\u003eNotes\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003e3 Cylinder\u003c\/td\u003e\n        \u003ctd\u003e40\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1999–2006\u003c\/td\u003e\n        \u003ctd\u003e821854T4 (Top), 821854T5 (Center), 821854T6 (Bottom)\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003e3 Cylinder\u003c\/td\u003e\n        \u003ctd\u003e45\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1999–2006\u003c\/td\u003e\n        \u003ctd\u003e821854T4 (Top), 821854T5 (Center), 821854T6 (Bottom)\u003c\/td\u003e\n        \u003ctd\u003eIncludes JET models\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003e3 Cylinder\u003c\/td\u003e\n        \u003ctd\u003e55\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1999–2006\u003c\/td\u003e\n        \u003ctd\u003e821854T4 (Top), 821854T5 (Center), 821854T6 (Bottom)\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMercury\u003c\/td\u003e\n        \u003ctd\u003e3 Cylinder\u003c\/td\u003e\n        \u003ctd\u003e60\u003c\/td\u003e\n        \u003ctd\u003e2-Stroke\u003c\/td\u003e\n        \u003ctd\u003e1999–2006\u003c\/td\u003e\n        \u003ctd\u003e821854T4 (Top), 821854T5 (Center), 821854T6 (Bottom)\u003c\/td\u003e\n        \u003ctd\u003e\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\u003eComplete Carburetor Set (3 carburetors)\u003c\/dd\u003e\n  \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eDirect Replacement\u003c\/dd\u003e\n  \u003cdt\u003eFuel Type\u003c\/dt\u003e\n\u003cdd\u003eGasoline\u003c\/dd\u003e\n  \u003cdt\u003eConnection\u003c\/dt\u003e\n\u003cdd\u003eOEM Factory Linkage Compatible\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\/Metallic\u003c\/dd\u003e\n  \u003cdt\u003eFitting Type\u003c\/dt\u003e\n\u003cdd\u003eFactory Standard\u003c\/dd\u003e\n  \u003cdt\u003eThread Size\u003c\/dt\u003e\n\u003cdd\u003eFactory Standard\u003c\/dd\u003e\n  \u003cdt\u003eWarranty\u003c\/dt\u003e\n\u003cdd\u003e1 Year (Manufacturer's Defects)\u003c\/dd\u003e\n  \u003cdt\u003eOther Technical Attributes\u003c\/dt\u003e\n\u003cdd\u003eManufactured to OEM specifications, ISO9002 certified production\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e3 x\u003c\/span\u003e Carburetor Assembly (Replaces Top, Center, and Bottom)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eEnsure the engine is off and cool. Disconnect the battery and fuel lines, taking precautions to manage fuel spillage.\u003c\/li\u003e\n  \u003cli\u003eCarefully label and disconnect all throttle and choke linkages connected to the carburetors.\u003c\/li\u003e\n  \u003cli\u003eRemove the mounting nuts or bolts securing the old carburetor set and remove it from the engine.\u003c\/li\u003e\n  \u003cli\u003eClean the intake manifold mounting surface thoroughly to ensure a clean, debris-free seal.\u003c\/li\u003e\n  \u003cli\u003eInstall the new carburetors, making sure to place the TOP (821854T4), CENTER (821854T5), and BOTTOM (821854T6) units in their correct positions.\u003c\/li\u003e\n  \u003cli\u003eSecure the carburetors by tightening the mounting hardware to the manufacturer's recommended torque. Do not overtighten.\u003c\/li\u003e\n  \u003cli\u003eReconnect all linkages, ensuring they move freely without binding. Reconnect the fuel lines.\u003c\/li\u003e\n  \u003cli\u003eReconnect the battery. Before starting the engine, prime the fuel system and carefully check for any fuel leaks.\u003c\/li\u003e\n  \u003cli\u003eStart the engine and allow it to warm up. Perform final idle speed and air\/fuel mixture adjustments as required for smooth operation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWill these carburetors fit my 3-cylinder Mercury 50 HP motor?\u003c\/summary\u003e\n  \u003cp\u003eYes, if your motor is a 2-stroke model manufactured between 1999 and 2006. This set is designed specifically for the 40-60 HP, 3-cylinder engine family within that year range. Always double-check your engine's model and serial number to confirm fitment.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eAre these carburetors pre-adjusted?\u003c\/summary\u003e\n  \u003cp\u003eThey come pre-set to standard factory specifications. However, minor adjustments for idle speed or air\/fuel mixture are often necessary after installation to optimize performance for your specific engine and local conditions.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWhat are the signs my old carburetors need replacing?\u003c\/summary\u003e\n  \u003cp\u003eCommon symptoms include difficulty starting, rough or unstable idling, the engine stalling at low speeds, hesitation or bogging on acceleration, visible fuel leaks from the carburetor body, or excessive black smoke from the exhaust.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eDoes this carburetor set include gaskets?\u003c\/summary\u003e\n  \u003cp\u003eThis kit includes the three carburetor assemblies. Gaskets or additional installation hardware are not specified as being part of the package. We recommend purchasing new gaskets separately to ensure a proper, leak-free seal during installation.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\n  \u003cp\u003eThis listing is an aftermarket replacement (not OEM). It has been built to OEM-level specifications with comparable materials. The parts are manufactured in an ISO 9002 facility and are batch-inspected for quality and consistency.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eShipping speed \u0026amp; cost\u003c\/summary\u003e\n  \u003cp\u003eWe ship worldwide quickly—typical transit is 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003eWarranty \u0026amp; returns\u003c\/summary\u003e\n  \u003cp\u003eThis product is covered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact our support team with your order details. Returns are accepted within our standard window for unused items in their original condition. See our policy page or reach out for instructions.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify images\/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.\u003c\/li\u003e\n  \u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended for safety and performance.\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 engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFast Global Fulfillment\u003c\/strong\u003e — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer-Direct Value\u003c\/strong\u003e — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723974644027,"sku":"23CA478","price":275.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/TOP_Center_Bottom_Carburetor_for_Mercury_2-Stroke_40_55_60_HP_821854T4_____821854T5____821854T6_18-7386_-_JLM_MARINE-8285937.jpg?v=1763038968"},{"product_id":"water-pump-impeller-fits-mercury-mariner-40-60-hp-4-stroke-replaces-mercury-47-19453-47-19453t-sierra-18-8900","title":"Water Pump Impeller for Mercury\/Mariner 50–60 HP 2-Stroke and Select 40–60 HP 4-Stroke Outboards – Replaces 47-19453, 47-19453T","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 {\n    padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n  }\n  table.ss-table th {\n    white-space:nowrap; word-break:normal; letter-spacing:normal; font-weight:600; background:#f8fafc;\n  }\n  @media (max-width:480px){\n    table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n  }\n\u003c\/style\u003e\n\u003csection\u003e\n  \u003ch2\u003eProduct Details\u003c\/h2\u003e\n  \u003cp\u003eThis aftermarket \u003cstrong\u003ewater pump impeller\u003c\/strong\u003e is designed for specified Mercury and Mariner outboard applications. The company fitment records list Mercury\/Mariner 50, 55, and 60 HP 2-stroke engines, as well as select 40–60 HP 4-stroke engines. It is supplied as a single impeller for water-pump service and is not a complete water-pump repair kit.\u003c\/p\u003e\n  \u003cp\u003eThe impeller is listed as a replacement for Mercury part numbers \u003cstrong\u003e47-19453\u003c\/strong\u003e and \u003cstrong\u003e47-19453T\u003c\/strong\u003e. Sierra aftermarket reference \u003cstrong\u003e18-8900\u003c\/strong\u003e is also listed for this impeller family. Confirm the exact engine model, stroke, serial number, and existing impeller dimensions before ordering.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eAftermarket replacement impeller for specified Mercury and Mariner cooling-system applications.\u003c\/li\u003e\n    \u003cli\u003eHigh-volume\/long-vane impeller profile associated with reference 47-19453T.\u003c\/li\u003e\n    \u003cli\u003eDesigned for installation in the water-pump housing after removal of the lower unit.\u003c\/li\u003e\n    \u003cli\u003eSold as one impeller; the drive key and other water-pump components are not included.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n  \u003cp\u003eThese references are provided for identification and cross-reference purposes. They do not replace verification of the complete engine application.\u003c\/p\u003e\n  \u003cdiv class=\"ss-table-wrap\"\u003e\n    \u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n          \u003cth\u003eBrand or Reference\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\u003e47-19453\u003c\/td\u003e\n          \u003ctd\u003eOEM reference\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\u003c\/td\u003e\n          \u003ctd\u003e47-19453T\u003c\/td\u003e\n          \u003ctd\u003eOEM reference\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eSierra\u003c\/td\u003e\n          \u003ctd\u003e18-8900\u003c\/td\u003e\n          \u003ctd\u003eAftermarket cross-reference\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eAdditional supplier reference\u003c\/td\u003e\n          \u003ctd\u003e9-45301\u003c\/td\u003e\n          \u003ctd\u003eAdditional cross-reference listed by the supplier\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n  \u003cp\u003eFitment information is grouped by stroke because 2-stroke and 4-stroke applications must not be treated as interchangeable without confirming the engine details.\u003c\/p\u003e\n  \u003cdiv class=\"ss-table-wrap\"\u003e\n    \u003ctable class=\"ss-table\" aria-label=\"Mercury and Mariner 2-Stroke Compatibility\"\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n          \u003cth\u003eBrand\u003c\/th\u003e\n          \u003cth\u003eRated HP\u003c\/th\u003e\n          \u003cth\u003eStroke\u003c\/th\u003e\n          \u003cth\u003eModel or Application\u003c\/th\u003e\n          \u003cth\u003eYear\u003c\/th\u003e\n          \u003cth\u003eSerial Number\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\u003e50\u003c\/td\u003e\n          \u003ctd\u003e2-Stroke\u003c\/td\u003e\n          \u003ctd\u003eSpecified 2-stroke application\u003c\/td\u003e\n          \u003ctd\u003eNot specified\u003c\/td\u003e\n          \u003ctd\u003eVerify before ordering\u003c\/td\u003e\n          \u003ctd\u003eCompany fitment record\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n          \u003ctd\u003e55\u003c\/td\u003e\n          \u003ctd\u003e2-Stroke\u003c\/td\u003e\n          \u003ctd\u003eSpecified 2-stroke application\u003c\/td\u003e\n          \u003ctd\u003eNot specified\u003c\/td\u003e\n          \u003ctd\u003eVerify before ordering\u003c\/td\u003e\n          \u003ctd\u003eCompany fitment record\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n          \u003ctd\u003e60\u003c\/td\u003e\n          \u003ctd\u003e2-Stroke\u003c\/td\u003e\n          \u003ctd\u003eSpecified 2-stroke application\u003c\/td\u003e\n          \u003ctd\u003eNot specified\u003c\/td\u003e\n          \u003ctd\u003eVerify before ordering\u003c\/td\u003e\n          \u003ctd\u003eCompany fitment record\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"ss-table-wrap\"\u003e\n    \u003ctable class=\"ss-table\" aria-label=\"Mercury and Mariner 4-Stroke Compatibility\"\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n          \u003cth\u003eBrand\u003c\/th\u003e\n          \u003cth\u003eRated HP\u003c\/th\u003e\n          \u003cth\u003eStroke\u003c\/th\u003e\n          \u003cth\u003eModel or Application\u003c\/th\u003e\n          \u003cth\u003eYear\u003c\/th\u003e\n          \u003cth\u003eSerial Number\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\u003e40\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003eCarbureted, 3-cylinder\u003c\/td\u003e\n          \u003ctd\u003eNot specified\u003c\/td\u003e\n          \u003ctd\u003eVerify before ordering\u003c\/td\u003e\n          \u003ctd\u003eCompany fitment record\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n          \u003ctd\u003e40\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003e4-cylinder\u003c\/td\u003e\n          \u003ctd\u003eNot specified\u003c\/td\u003e\n          \u003ctd\u003eVerify before ordering\u003c\/td\u003e\n          \u003ctd\u003eCompany fitment record\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n          \u003ctd\u003e40\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003eEFI, 4-cylinder\u003c\/td\u003e\n          \u003ctd\u003eNot specified\u003c\/td\u003e\n          \u003ctd\u003eVerify before ordering\u003c\/td\u003e\n          \u003ctd\u003eCompany fitment record\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n          \u003ctd\u003e50\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003eEFI, 4-cylinder\u003c\/td\u003e\n          \u003ctd\u003eNot specified\u003c\/td\u003e\n          \u003ctd\u003eVerify before ordering\u003c\/td\u003e\n          \u003ctd\u003eCompany fitment record\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd\u003eMercury\/Mariner\u003c\/td\u003e\n          \u003ctd\u003e60\u003c\/td\u003e\n          \u003ctd\u003e4-Stroke\u003c\/td\u003e\n          \u003ctd\u003eEFI, 4-cylinder\u003c\/td\u003e\n          \u003ctd\u003eNot specified\u003c\/td\u003e\n          \u003ctd\u003eVerify before ordering\u003c\/td\u003e\n          \u003ctd\u003eCompany fitment record\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n  \u003cp\u003eDo not rely on horsepower alone. Check the engine brand, model designation, stroke, serial-number range, gearcase and water-pump configuration. Catalog references identify 47-19453T as a 3.125-inch outside-diameter by 0.75-inch inside-diameter high-volume\/long-vane impeller, but the original impeller should still be measured before installation.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n  \u003cdl\u003e\n    \u003cdt\u003eProduct Type\u003c\/dt\u003e\n    \u003cdd\u003eWater pump impeller\u003c\/dd\u003e\n    \u003cdt\u003eApplication Type\u003c\/dt\u003e\n    \u003cdd\u003eAftermarket replacement for specified Mercury\/Mariner outboards\u003c\/dd\u003e\n    \u003cdt\u003eImpeller Profile\u003c\/dt\u003e\n    \u003cdd\u003eHigh-volume\/long-vane style\u003c\/dd\u003e\n    \u003cdt\u003eOutside Diameter\u003c\/dt\u003e\n    \u003cdd\u003e3.125 inches reference dimension\u003c\/dd\u003e\n    \u003cdt\u003eInside Diameter\u003c\/dt\u003e\n    \u003cdd\u003e0.75 inches reference dimension\u003c\/dd\u003e\n    \u003cdt\u003eDrive Key\u003c\/dt\u003e\n    \u003cdd\u003eNot included; verify the required key for your engine\u003c\/dd\u003e\n    \u003cdt\u003ePackage Type\u003c\/dt\u003e\n    \u003cdd\u003eSingle impeller\u003c\/dd\u003e\n  \u003c\/dl\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e1 x\u003c\/span\u003e Water pump impeller\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp\u003eThe drive key, water-pump housing, wear plate, gaskets, seals, washers and other repair-kit components are not included.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n  \u003col\u003e\n    \u003cli\u003eDisconnect the battery and remove the engine cowling as required by the engine manufacturer's service procedure.\u003c\/li\u003e\n    \u003cli\u003ePlace the outboard in neutral and support the lower unit safely.\u003c\/li\u003e\n    \u003cli\u003eRemove the fasteners securing the lower unit and carefully separate it from the midsection.\u003c\/li\u003e\n    \u003cli\u003eRemove the water-pump housing cover to access the impeller.\u003c\/li\u003e\n    \u003cli\u003eRemove the old impeller and inspect the drive key, housing, wear plate and related sealing surfaces. Do not assume the required key is included with the impeller.\u003c\/li\u003e\n    \u003cli\u003eClean the pump components and replace any worn or damaged parts before reassembly.\u003c\/li\u003e\n    \u003cli\u003eInstall the correct drive key for the specific engine, then fit the new impeller into the pump housing according to the service manual.\u003c\/li\u003e\n    \u003cli\u003eReinstall the water-pump housing and lower unit using the manufacturer's torque specifications and approved sealants where specified.\u003c\/li\u003e\n    \u003cli\u003eReconnect the battery, supply cooling water using appropriate flushing equipment, and confirm a steady tell-tale stream before normal operation.\u003c\/li\u003e\n  \u003c\/ol\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow do I know if this impeller fits my specific engine?\u003c\/summary\u003e\n    \u003cp\u003eMatch the engine brand, horsepower, stroke, model, serial number and water-pump configuration to the compatibility information. Also compare the old impeller's outside diameter, inside diameter and vane profile. If any of these details differ, do not install the part without confirming fitment through the appropriate service information.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat are the signs of a failing water-pump impeller?\u003c\/summary\u003e\n    \u003cp\u003eCommon signs include overheating at idle or low speed, a weak or intermittent tell-tale stream, and damaged, brittle or permanently deformed vanes when the impeller is inspected.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should I replace my impeller?\u003c\/summary\u003e\n    \u003cp\u003eInspect the impeller according to the engine manufacturer's maintenance schedule. Replacement intervals depend on operating hours, storage conditions and exposure to saltwater, sand or silt. Replace it sooner if the vanes are cracked, hardened, worn or permanently bent.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs this a complete water-pump kit?\u003c\/summary\u003e\n    \u003cp\u003eNo. This listing is for one water-pump impeller only. It does not include the pump housing, wear plate, gaskets, seals, washers or drive key.\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. Mercury part numbers 47-19453 and 47-19453T, along with Sierra reference 18-8900, are provided only as identification and cross-reference numbers.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eShipping speed \u0026amp; cost\u003c\/summary\u003e\n    \u003cp\u003eWe ship worldwide. Typical transit is 5–15 days; available shipping methods and delivery estimates are shown at checkout.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWarranty \u0026amp; returns\u003c\/summary\u003e\n    \u003cp\u003eThis product is covered by the applicable store warranty and return policy. Contact support with your order details if you receive a damaged or defective item.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eConfirm the engine's brand, model, horsepower, stroke, serial number and water-pump configuration before purchase.\u003c\/li\u003e\n    \u003cli\u003eCompare the replacement impeller with the original part, including diameter and vane profile.\u003c\/li\u003e\n    \u003cli\u003eThe drive key is not included. Obtain the correct key separately when required by the engine configuration.\u003c\/li\u003e\n    \u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n    \u003cli\u003eFollow the engine manufacturer's service manual and use professional installation when appropriate.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\u003csection\u003e\n  \u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePro-Grade Standards\u003c\/strong\u003e — We supply marine replacement parts selected for dependable service in real-world applications.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFast Global Fulfillment\u003c\/strong\u003e — Free standard delivery is available to most regions; delivery options are shown at checkout.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eManufacturer-Direct Value\u003c\/strong\u003e — Fair pricing on aftermarket marine parts without unnecessary markups.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50723974938939,"sku":"17IM004","price":15.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/17IM0041_c8c4c0af-7ce4-47a0-ad6c-3a82683ca82e.jpg?v=1763038978"}],"url":"https:\/\/seasierra.com\/collections\/mercury-2-stroke-40-60hp-outboard-engine-parts.oembed","provider":"SeaSierra","version":"1.0","type":"link"}