{"title":"Force 2-Stroke 40-60HP Outboard Engine Parts","description":"\u003csection id=\"hero\" style=\"padding:16px 0;\"\u003e\n  \u003cp\u003eThis page is dedicated to Force 2‑Stroke 40–60HP outboard engines. Use it to find compatible parts and practical service information, including maintenance tips, common replacement items, and troubleshooting guidance. You can also browse the main Force collection. Scroll to the bottom of the page to start browsing parts for this engine, and remember that on the collection page you can use the “Filter \u0026amp; Sort” controls to narrow results by horsepower, year range, and part category.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/force-outboard-parts\" style=\"display:inline-block;padding:10px 14px;border:1px solid #0b5cab;border-radius:4px;text-decoration:none;\"\u003eBrowse All Force Parts\u003c\/a\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"identify-model\" style=\"padding:16px 0;\"\u003e\n  \u003ch2\u003eHow to Identify Your 40–60HP Model\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eLocate the nameplate\/serial label on the transom or swivel bracket and record both the model and serial numbers.\u003c\/li\u003e\n    \u003cli\u003eModel suffixes often indicate shaft length (S\/L\/XL), control type (tiller vs. remote), and sometimes a production revision.\u003c\/li\u003e\n    \u003cli\u003eForce 2‑stroke 40–60HP engines are typically carbureted and may be 2‑cylinder (40HP) or 3‑cylinder (50\/60HP) depending on year. Confirm whether your engine is premix or uses oil injection.\u003c\/li\u003e\n    \u003cli\u003eWhen ordering parts, the serial number is the most reliable way to verify compatibility across different production years.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"engine-overview\" style=\"padding:16px 0;\"\u003e\n  \u003ch2\u003eEngine Overview\u003c\/h2\u003e\n\n  \u003ch3\u003e40HP Inline‑2 Carbureted 2‑Stroke\u003c\/h3\u003e\n  \u003ctable style=\"width:100%;max-width:920px;border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eDescription\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eConfiguration\u003c\/td\u003e\n        \u003ctd\u003eInline‑2, carbureted 2‑stroke; conventional CDI ignition and mechanical fuel system.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eCommon Models\u003c\/td\u003e\n        \u003ctd\u003eForce 40HP 2‑stroke variants used on a wide range of small hulls.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eAdvantages\u003c\/td\u003e\n        \u003ctd\u003eLight weight, simple upkeep, strong low‑to‑midrange for small boats.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eNotes\u003c\/td\u003e\n        \u003ctd\u003eSome service parts cross‑reference with Mercury\/Mariner depending on production year—confirm by model\/serial.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003e50–60HP Inline‑3 Carbureted 2‑Stroke\u003c\/h3\u003e\n  \u003ctable style=\"width:100%;max-width:920px;border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eFeature\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eDescription\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eConfiguration\u003c\/td\u003e\n        \u003ctd\u003eInline‑3, carbureted 2‑stroke with CDI ignition; mechanical fuel delivery.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eCommon Models\u003c\/td\u003e\n        \u003ctd\u003eForce 50HP and 60HP 2‑stroke variants spanning multiple production years.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eAdvantages\u003c\/td\u003e\n        \u003ctd\u003eGood balance of weight and power, responsive mid‑range, straightforward service.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eNotes\u003c\/td\u003e\n        \u003ctd\u003eParts interchange can vary by year\/supplier; always verify using the serial number before ordering.\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=\"padding:16px 0;\"\u003e\n  \u003ch2\u003eRoutine Maintenance \u0026amp; Service Parts\u003c\/h2\u003e\n  \u003cp\u003eIntervals below are general guidelines for typical recreational use. Always follow the official service manual for your exact model and operating conditions.\u003c\/p\u003e\n  \u003ctable style=\"width:100%;max-width:920px;border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eItem\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eInterval*\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eRemarks\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eParts Link\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eGear oil (lower unit)\u003c\/td\u003e\n        \u003ctd\u003eEvery 100 hours or annually\u003c\/td\u003e\n        \u003ctd\u003eInspect magnetic plug; reseal if water intrusion is present.\u003c\/td\u003e\n        \u003ctd\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/force-lower-unit-seal-kits\"\u003eForce Lower Unit Seal Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eSpark plugs\u003c\/td\u003e\n        \u003ctd\u003eInspect every 50 hours; replace ~100 hours\/season\u003c\/td\u003e\n        \u003ctd\u003eCheck heat range and set the correct gap; replace if fouled or worn.\u003c\/td\u003e\n        \u003ctd\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\u003eFuel filter \/ inline filter\u003c\/td\u003e\n        \u003ctd\u003eEvery 100 hours or annually\u003c\/td\u003e\n        \u003ctd\u003eReplace sooner if fuel quality is uncertain or storage was prolonged.\u003c\/td\u003e\n        \u003ctd\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\u003eWater pump impeller \/ kit\u003c\/td\u003e\n        \u003ctd\u003eEvery 2 seasons or ~200 hours\u003c\/td\u003e\n        \u003ctd\u003eShorten interval in sandy\/silty water or if tell‑tale weakens.\u003c\/td\u003e\n        \u003ctd\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/force-water-pump-repair-kits\"\u003eForce Water Pump Repair Kits\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eAnodes (sacrificial)\u003c\/td\u003e\n        \u003ctd\u003eInspect each haul‑out; replace at ~50% loss\u003c\/td\u003e\n        \u003ctd\u003eSelect zinc\/aluminum\/magnesium according to your water type.\u003c\/td\u003e\n        \u003ctd\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/anodes\"\u003eAnodes\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eFuel\/oil mix or oil‑injection service\u003c\/td\u003e\n        \u003ctd\u003eEach outing (premix) \/ Annually (injection check)\u003c\/td\u003e\n        \u003ctd\u003eMany models use 50:1 premix; if oil injection is fitted, inspect pump, lines, and clamps yearly.\u003c\/td\u003e\n        \u003ctd\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/hoses\"\u003eHoses\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eThermostat (cooling system)\u003c\/td\u003e\n        \u003ctd\u003eInspect\/replace every 2–3 years\u003c\/td\u003e\n        \u003ctd\u003eStuck thermostats can cause cold running (rich) or overheating.\u003c\/td\u003e\n        \u003ctd\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/force-outboard-parts\"\u003eForce Outboard Parts\u003c\/a\u003e\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003ePropeller \u0026amp; hardware\u003c\/td\u003e\n        \u003ctd\u003eInspect each season\u003c\/td\u003e\n        \u003ctd\u003eCheck for dings, bent blades, or a spun hub affecting performance.\u003c\/td\u003e\n        \u003ctd\u003e\u003ca href=\"https:\/\/seasierra.com\/collections\/propellers\"\u003ePropellers\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=\"padding:16px 0;\"\u003e\n  \u003ch2\u003eFrequently Used Parts Categories\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eRoutine Service – \u003ca href=\"https:\/\/seasierra.com\/collections\/force-outboard-parts\"\u003eForce Outboard Parts\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eCooling System – \u003ca href=\"https:\/\/seasierra.com\/collections\/force-water-pump-repair-kits\"\u003eForce Water Pump Repair Kits\u003c\/a\u003e\n\u003c\/li\u003e\n    \u003cli\u003eIgnition \/ Electrical – \u003ca href=\"https:\/\/seasierra.com\/collections\/electrical-items\"\u003eElectrical Items\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\u003eCorrosion Protection – \u003ca href=\"https:\/\/seasierra.com\/collections\/anodes\"\u003eAnodes\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\u003eSealing \u0026amp; Gearcase – \u003ca href=\"https:\/\/seasierra.com\/collections\/force-lower-unit-seal-kits\"\u003eForce Lower Unit Seal Kits\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"troubleshooting\" style=\"padding:16px 0;\"\u003e\n  \u003ch2\u003eCommon Symptoms \u0026amp; Quick Checks\u003c\/h2\u003e\n  \u003ctable style=\"width:100%;max-width:920px;border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eSymptom\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eCheck First\u003c\/th\u003e\n        \u003cth style=\"text-align:left;border-bottom:1px solid #ddd;\"\u003eRelated Parts\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eWeak tell‑tale stream \/ overheat alarm\u003c\/td\u003e\n        \u003ctd\u003eClear tell‑tale, inspect intake screen, verify impeller and thermostat operation.\u003c\/td\u003e\n        \u003ctd\u003eWater pump kit, thermostat, intake screen\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003ePoor acceleration \/ power loss\u003c\/td\u003e\n        \u003ctd\u003ePrimer bulb firmness, tank venting, fuel filter condition, spark plugs, and prop integrity.\u003c\/td\u003e\n        \u003ctd\u003eFuel filter, fuel pump diaphragm, spark plugs, propeller\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eHard starting \/ rough idle\u003c\/td\u003e\n        \u003ctd\u003ePlug gap\/condition, choke\/primer function, idle mixture, and fuel line air leaks.\u003c\/td\u003e\n        \u003ctd\u003eSpark plugs, carburetor service kit, fuel hoses\/clamps\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eExcessive smoke (2‑stroke)\u003c\/td\u003e\n        \u003ctd\u003eVerify premix ratio (often 50:1), check for a thermostat stuck open causing cool running.\u003c\/td\u003e\n        \u003ctd\u003eSpark plugs, thermostat\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eGearcase noise \/ metal in oil\u003c\/td\u003e\n        \u003ctd\u003eCheck oil level\/condition; look for water intrusion at propshaft\/drive‑shaft seals.\u003c\/td\u003e\n        \u003ctd\u003eLower unit seal kit, bearings, gear oil\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=\"padding:16px 0;\"\u003e\n  \u003ch2\u003eFAQs\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eAre parts interchangeable between different years or platforms?\u003c\/summary\u003e\n    \u003cp\u003eSome Force 40–60HP components cross over with Mercury\/Mariner depending on production year and supplier changes. Always verify using your model and serial numbers before ordering.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhen should the impeller be replaced?\u003c\/summary\u003e\n    \u003cp\u003eAs a rule of thumb, replace every two seasons or ~200 hours. Change sooner if you operate in sandy\/silty water, see a weak tell‑tale, or after any overheat event.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should I change the gear oil?\u003c\/summary\u003e\n    \u003cp\u003eAt least once per season or every 100 hours. Inspect for water contamination (milky color) and for metal on the magnetic drain plug; reseal the gearcase if needed.\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 model and serial numbers, shaft length, control type (tiller\/remote), and any visible part numbers on the components you’re replacing. Clear photos of the nameplate and the old part also help.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e\n\n\u003csection id=\"cta\" style=\"padding:16px 0;\"\u003e\n  \u003cp\u003eReady to find parts by horsepower, year, and model? Browse the main Force collection and refine with Filter \u0026amp; Sort as needed.\u003c\/p\u003e\n  \u003ca href=\"https:\/\/seasierra.com\/collections\/force-outboard-parts\" style=\"display:inline-block;padding:10px 14px;border:1px solid #0b5cab;border-radius:4px;text-decoration:none;\"\u003eShop Force Outboard Parts\u003c\/a\u003e\n  \u003cp style=\"margin-top:8px;color:#555;\"\u003eIf you’re unsure about your model, send us a clear photo of the nameplate and the part you need and we’ll help verify compatibility.\u003c\/p\u003e\n\u003c\/section\u003e","products":[{"product_id":"water-pump-impeller-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\/force-2-stroke-40-60hp-outboard-engine-parts.oembed","provider":"SeaSierra","version":"1.0","type":"link"}