{"product_id":"3t5-87322-water-pump-impeller-service-kit-reliable-repair-for-40-50","title":"3T5-87322 Water Pump Impeller Service Kit - Reliable Repair for 40\/50","description":"\u003cp\u003eIn this review of the 3T5-87322 Water Pump Impeller Service Kit, the bottom line is simple: it is a practical, cost-effective repair option for owners of Tohatsu, Nissan and compatible Mercury Marine 40HP and 50HP outboards who need to restore cooling performance quickly. The kit provides all core wear components encountered during a lower gearcase impeller service and gets an engine back in service without the expense of a full pump replacement. For a mechanic or a hands-on boater who values a good fit and straightforward installation, this kit answers the need.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eComplete repair parts:\u003c\/strong\u003e The kit contains a rubber impeller, wear plate, seal gaskets and driveshaft key so the common failure points are addressed in one repair.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHardware included:\u003c\/strong\u003e Bolts with washers and insert cup are provided to replace corroded or lost fasteners during service, reducing the need to source additional parts.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMultiple OEM fit numbers:\u003c\/strong\u003e Matches Tohatsu Nissan part numbers 3T5-87322-3 and 3C8-87322-3 variants, which helps confirm compatibility with several engine lines.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCross-fit with Mercury Marine:\u003c\/strong\u003e Also fits many Mercury Marine 40HP and 50HP lower gearcase models so it serves owners of different brands with the same repair need.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCost effective alternative:\u003c\/strong\u003e Buying the impeller kit is generally less expensive than replacing the entire water pump assembly, making it a sensible maintenance choice.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis kit is aimed at do-it-yourself boat owners, marine mechanics and maintenance yards working on Tohatsu or Nissan 40HP and 50HP 2- and 4-stroke outboards, and owners of Mercury Marine engines that share the same lower gearcase configuration. It is especially useful when a failing impeller or worn wear plate is the root cause of overheating or poor cooling flow.\u003c\/p\u003e\n\n\u003cp\u003eThose who should look elsewhere include owners uncertain of their exact gasket profile or anyone who prefers factory-sealed pump units; the note about choosing the correct gasket means you must match the original gasket to ensure a leak-free installation.\u003c\/p\u003e\n\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eParts list covers the typical wear items so a full impeller service can be completed in one visit.\u003c\/li\u003e\n \u003cli\u003eCustomers report the kit restores engine cooling and fits as expected, reflecting solid \u003cstrong\u003efit\u003c\/strong\u003e and functionality.\u003c\/li\u003e\n \u003cli\u003eHardware and insert cup included reduce extra trips for small fasteners, saving time.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eInstallation requires choosing the correct gasket matching the original, which may confuse some buyers and lead to returns if the wrong gasket is selected.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003eImpeller repair kit\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eCompatible engines\u003c\/td\u003e\n\u003ctd\u003eTohatsu Nissan 40HP and 50HP 2\/4-stroke\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eAlso fits\u003c\/td\u003e\n\u003ctd\u003eMercury Marine 40HP and 50HP lower gearcase\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eIncluded parts\u003c\/td\u003e\n\u003ctd\u003eRubber impeller, wear plate, seal gaskets, driveshaft key\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eAdditional hardware\u003c\/td\u003e\n\u003ctd\u003eBolts with washers and insert cup\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eCommon part numbers\u003c\/td\u003e\n\u003ctd\u003e3T5-87322-3, 3C8-87322-3 and variants\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe 3T5-87322 Impeller Service Kit is a practical, value-minded choice for owners who need to repair cooling on 40HP and 50HP Tohatsu, Nissan and compatible Mercury outboards. It supplies the necessary wear parts and hardware for a typical lower gearcase impeller job, fits as expected according to users, and avoids the higher cost of a full pump assembly replacement. Buy this if you can identify the correct gasket and intend to perform a focused impeller service.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill this kit fit my Mercury 50HP engine?\u003c\/strong\u003e\u003cbr\u003eIt fits many Mercury Marine 40HP and 50HP lower gearcase models that share the same configuration; verify part compatibility before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat comes in the package?\u003c\/strong\u003e\u003cbr\u003eThe package contains a rubber impeller, wear plate, seal gaskets, driveshaft key, bolts with washers and an insert cup.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need extra parts to install?\u003c\/strong\u003e\u003cbr\u003eMostly no, but you must choose the gasket that matches your original gasket to ensure a proper seal during installation.\u003c\/p\u003e","brand":"QUICKMARINER","offers":[{"title":"Default Title","offer_id":48656991486171,"sku":"B0DD33D9C4","price":62.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61j56I-U57L._AC_SL1500.jpg?v=1778548489","url":"https:\/\/gearmusthave.com\/products\/3t5-87322-water-pump-impeller-service-kit-reliable-repair-for-40-50","provider":"GearMustHave","version":"1.0","type":"link"}