{"product_id":"water-pump-impeller-kit-fits-mercruiser-bravo-1-2-3-4-3l-7-4l-v8-engines-replaces-47-59362t6-47-59362t1","title":"Water Pump Impeller Kit – Fits MerCruiser Bravo 1\/2\/3 4.3L-7.4L V8 Engines (Replaces 47-59362T6, 47-59362T1)","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;\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 Sea Sierra \u003cstrong\u003eWater Pump Impeller Kit\u003c\/strong\u003e is designed for MerCruiser Bravo 1, 2, and 3 inboard and sterndrive engines (4.3L, 5.0L, 5.7L, 7.4L, and 8.2L V8 models) from 1997 and later that are equipped with a one-piece sea water pump body. It provides a reliable solution for maintaining optimal engine cooling performance.\u003c\/p\u003e\n  \u003cp\u003eThis kit serves as a direct replacement for multiple OEM and aftermarket parts, including Mercury 47-59362T6, 47-59362T1, and Sierra 18-3087.\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eEngineered for a direct fit on units with a one-piece pump body.\u003c\/li\u003e\n    \u003cli\u003eFeatures a durable neoprene impeller with a hardened nylon hub for longevity.\u003c\/li\u003e\n    \u003cli\u003eKit includes one impeller, one face plate, and two O-rings for a complete service.\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 Cross-Reference\"\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n          \u003cth\u003eBrand\u003c\/th\u003e\n          \u003cth\u003ePart Number\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\u003e47-59362T6\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e59362T6\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e47-59362T1\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e59362T1\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e47-59362\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e59362\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e47-59362A1\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e59362A1\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e47-59362Q01\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMercury\u003c\/td\u003e\n\u003ctd\u003e59362Q01\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eSierra\u003c\/td\u003e\n\u003ctd\u003e18-3087\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eGLM\u003c\/td\u003e\n\u003ctd\u003e89740\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMallory\u003c\/td\u003e\n\u003ctd\u003e9-45375\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eJabsco\u003c\/td\u003e\n\u003ctd\u003e17954-0001-P\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  \u003cp\u003eFor MerCruiser models, this kit fits various V8 inboard and sterndrive engines from 1997 and later, specifically those using a one-piece raw water pump housing.\u003c\/p\u003e\n  \u003cdiv class=\"ss-table-wrap\"\u003e\n    \u003ctable class=\"ss-table\" aria-label=\"Compatible MerCruiser Engine Models\"\u003e\n      \u003cthead\u003e\n        \u003ctr\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\u003eMerCruiser 260\u003c\/td\u003e\n\u003ctd\u003e260\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1981–1984\u003c\/td\u003e\n\u003ctd\u003e47-59362T6\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser 340\u003c\/td\u003e\n\u003ctd\u003e340\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1981–1987\u003c\/td\u003e\n\u003ctd\u003e47-59362T6\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser 350 MAG\/MPI\/TBI\u003c\/td\u003e\n\u003ctd\u003e300+\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e47-59362T6\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser 454 MAG\/SKI\/TBI\u003c\/td\u003e\n\u003ctd\u003e330+\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e47-59362T6\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser Inboard 4.3L\u003c\/td\u003e\n\u003ctd\u003e190-220\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1997–Later\u003c\/td\u003e\n\u003ctd\u003e47-59362T6\u003c\/td\u003e\n\u003ctd\u003eFor engines with one-piece pump body\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser Inboard 5.0L\u003c\/td\u003e\n\u003ctd\u003e220-260\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1997–Later\u003c\/td\u003e\n\u003ctd\u003e47-59362T6\u003c\/td\u003e\n\u003ctd\u003eFor engines with one-piece pump body\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser Inboard 5.7L\u003c\/td\u003e\n\u003ctd\u003e250-300\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1997–Later\u003c\/td\u003e\n\u003ctd\u003e47-59362T6\u003c\/td\u003e\n\u003ctd\u003eFor engines with one-piece pump body\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser Inboard 7.4L\u003c\/td\u003e\n\u003ctd\u003e310-340\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1997–Later\u003c\/td\u003e\n\u003ctd\u003e47-59362T6\u003c\/td\u003e\n\u003ctd\u003eFor engines with one-piece pump body\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser Inboard 8.2L\u003c\/td\u003e\n\u003ctd\u003e375-420\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1997–Later\u003c\/td\u003e\n\u003ctd\u003e47-59362T6\u003c\/td\u003e\n\u003ctd\u003eFor engines with one-piece pump body\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser Bravo 1\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1997–Later\u003c\/td\u003e\n\u003ctd\u003e47-59362T6\u003c\/td\u003e\n\u003ctd\u003eFor one-piece pump body\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser Bravo 2\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1997–Later\u003c\/td\u003e\n\u003ctd\u003e47-59362T6\u003c\/td\u003e\n\u003ctd\u003eFor one-piece pump body\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser Bravo 3\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003e1997–Later\u003c\/td\u003e\n\u003ctd\u003e47-59362T6\u003c\/td\u003e\n\u003ctd\u003eFor one-piece pump body\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser Race 320 efi\u003c\/td\u003e\n\u003ctd\u003e320\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e47-59362T6\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser Race 377 efi\u003c\/td\u003e\n\u003ctd\u003e377\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e47-59362T6\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003eMerCruiser Race 420-800SC\u003c\/td\u003e\n\u003ctd\u003e420-800\u003c\/td\u003e\n\u003ctd\u003e4-Stroke\u003c\/td\u003e\n\u003ctd\u003eVarious\u003c\/td\u003e\n\u003ctd\u003e47-59362T6\u003c\/td\u003e\n\u003ctd\u003eHigh-performance models\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\u003eSea Water Pump Impeller Kit\u003c\/dd\u003e\n    \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eReplacement for one-piece pump body\u003c\/dd\u003e\n    \u003cdt\u003eMaterial\u003c\/dt\u003e\n\u003cdd\u003eNeoprene rubber with hardened nylon hub\u003c\/dd\u003e\n    \u003cdt\u003eImpeller Type\u003c\/dt\u003e\n\u003cdd\u003e8-blade with D-shaped shaft\/single flat drive\u003c\/dd\u003e\n    \u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003eBore: 0.75 in (19.05 mm), OD: 2.64 in (67.06 mm), Thickness: 2.01 in (51.05 mm)\u003c\/dd\u003e\n    \u003cdt\u003eWeight\u003c\/dt\u003e\n\u003cdd\u003e90 g (3.2 oz)\u003c\/dd\u003e\n    \u003cdt\u003eApplication\u003c\/dt\u003e\n\u003cdd\u003eMerCruiser Bravo 1, 2, 3 Inboard and Sterndrive engines\u003c\/dd\u003e\n    \u003cdt\u003eCompatible Engine Types\u003c\/dt\u003e\n\u003cdd\u003e4.3L, 5.0L, 5.7L, 7.4L, 8.2L V8\u003c\/dd\u003e\n    \u003cdt\u003eHousing Compatibility\u003c\/dt\u003e\n\u003cdd\u003eOne-piece pump body\u003c\/dd\u003e\n  \u003c\/dl\u003e\n\n  \u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e1 x Water Pump Impeller\u003c\/li\u003e\n    \u003cli\u003e1 x Face Plate\u003c\/li\u003e\n    \u003cli\u003e2 x O-ring\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n  \u003col\u003e\n    \u003cli\u003eDisconnect the battery and close the seacock\/sea strainer valve.\u003c\/li\u003e\n    \u003cli\u003eLocate the sea water pump on the engine. Note the hose connections before removal.\u003c\/li\u003e\n    \u003cli\u003eLoosen the clamps and remove the inlet and outlet hoses. Expect some water spillage.\u003c\/li\u003e\n    \u003cli\u003eUnbolt the pump housing from the engine bracket.\u003c\/li\u003e\n    \u003cli\u003eRemove the pump's rear cover or face plate screws to access the impeller.\u003c\/li\u003e\n    \u003cli\u003eNote the rotational direction of the old impeller blades before removing it. Use pliers or an impeller puller if necessary.\u003c\/li\u003e\n    \u003cli\u003eClean the inside of the pump housing, ensuring the sealing surfaces are free of debris or scoring.\u003c\/li\u003e\n    \u003cli\u003eLubricate the new O-rings and interior of the housing with a suitable marine lubricant.\u003c\/li\u003e\n    \u003cli\u003eInstall the new impeller, bending the blades in the correct rotational direction.\u003c\/li\u003e\n    \u003cli\u003eReinstall the face plate with its new gasket\/O-ring, and tighten screws to the manufacturer’s torque specification.\u003c\/li\u003e\n    \u003cli\u003eRe-mount the pump, reconnect the hoses, and open the seacock valve.\u003c\/li\u003e\n    \u003cli\u003eStart the engine and immediately check for water flow from the exhaust and inspect the pump for any leaks.\u003c\/li\u003e\n  \u003c\/ol\u003e\n\n  \u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow do I know if this impeller kit fits my engine?\u003c\/summary\u003e\n    \u003cp\u003eThis kit is for MerCruiser V8 engines (1997 and later) that have a one-piece sea water pump body. The key is the pump housing type. Please verify your engine has this specific pump before ordering and cross-reference your existing part number with our list.\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 a higher-than-normal engine temperature at idle or low speeds, a weak or non-existent stream of water from the exhaust outlet, and visible cracks, tears, or stiff\/brittle blades on the impeller itself during inspection.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow often should the impeller be replaced?\u003c\/summary\u003e\n    \u003cp\u003eAs a preventative maintenance item, it's recommended to inspect the impeller annually and replace it every 1-2 years or every 100-200 hours of operation, depending on usage conditions (e.g., saltwater vs. freshwater, high-sand environments).\u003c\/p\u003e\n  \u003c\/details\u003e\n   \u003cdetails\u003e\n    \u003csummary\u003eWhat can cause premature impeller failure?\u003c\/summary\u003e\n    \u003cp\u003eThe most common causes are running the pump dry (even for a few seconds), sucking up sand or debris which accelerates wear, and long periods of disuse where the blades can become stiff and take a permanent set.\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). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for 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 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\u003eCovered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused \u0026amp; in 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":50723789766971,"sku":"QM-59362T6","price":32.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/QM-59362T6.png?v=1763031831","url":"https:\/\/seasierra.com\/products\/water-pump-impeller-kit-fits-mercruiser-bravo-1-2-3-4-3l-7-4l-v8-engines-replaces-47-59362t6-47-59362t1","provider":"SeaSierra","version":"1.0","type":"link"}