{"product_id":"sierra-18-3412-water-pump-kit","title":"Sierra 18-3412 Yamaha Water Pump Kit With Housing 9.9-15 HP","description":"\u003ch2\u003eSierra 18-3412 Yamaha Water Pump Kit With Housing 9.9-15 HP\u003c\/h2\u003e\u003cp\u003eService the cooling system on your compatible Yamaha outboard with the Sierra 18-3412 water pump kit. This aftermarket kit brings the matched pump components together for scheduled maintenance or repair. A replacement pump housing is included.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSierra manufacturer part number 18-3412\u003c\/li\u003e\n\u003cli\u003eIncludes the outer water pump housing\u003c\/li\u003e\n\u003cli\u003eIncludes a replacement impeller and matching pump service components\u003c\/li\u003e\n\u003cli\u003eDesigned for the Yamaha applications and OEM references listed below\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eFor select Yamaha outboard cooling systems. Compatibility depends on the exact engine model, model year and original pump assembly.\u003c\/p\u003e\u003ch3\u003eFitment \/ Product Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBrand: Sierra\u003c\/li\u003e\n\u003cli\u003eProduct: Water pump service kit\u003c\/li\u003e\n\u003cli\u003eEngine style: Outboard\u003c\/li\u003e\n\u003cli\u003eCondition: New\u003c\/li\u003e\n\u003cli\u003eHousing included: Yes\u003c\/li\u003e\n\u003cli\u003eYamaha references: 63V-W0078-01-00, 63V-44301-00-00\u003c\/li\u003e\n\u003c\/ul\u003e\u003cul\u003e\n\u003cli\u003eYamaha 9.9 and 15 HP two-stroke outboards: 1996-2009\u003c\/li\u003e\n\u003cli\u003eYamaha F9.9 and T9.9: 2005-2006\u003c\/li\u003e\n\u003cli\u003eYamaha F15: 1998-2005; verify model code for transition-year engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eModel-year listings are application examples, not a guarantee for every engine of the same horsepower. Match the complete model code and OEM part number to your engine's parts diagram before ordering.\u003c\/p\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1 × 18-3356 water pump housing\u003c\/li\u003e\n\u003cli\u003e1 × 18-3040 impeller\u003c\/li\u003e\n\u003cli\u003e1 × 18-3444 insert cup\u003c\/li\u003e\n\u003cli\u003e1 × 18-3195 wear plate\u003c\/li\u003e\n\u003cli\u003e1 × impeller key\u003c\/li\u003e\n\u003cli\u003e1 × water seal\u003c\/li\u003e\n\u003cli\u003e4 × 18-0256 bolts\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eOne Sierra 18-3412 water pump kit.\u003c\/p\u003e\u003ch3\u003eService Notes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFollow the Yamaha service manual for lower-unit removal, impeller orientation, lubricants and fastener torque.\u003c\/li\u003e\n\u003cli\u003eInspect the pump housing, sealing surfaces and water passages during service. Replace any damaged parts.\u003c\/li\u003e\n\u003cli\u003eUse the specified cooling-water supply when testing after installation; do not run the water pump dry.\u003c\/li\u003e\n\u003cli\u003eIf overheating continues, diagnose the rest of the cooling system.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy You Should Buy\u003c\/h3\u003e\u003cp\u003eA matched service kit helps simplify parts selection for a compatible pump rebuild. Replacing worn pump components supports proper cooling-water circulation and dependable engine maintenance.\u003c\/p\u003e\u003ch3\u003eCommon Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eScheduled water pump and impeller maintenance\u003c\/li\u003e\n\u003cli\u003eReplacement of worn pump components on verified Yamaha applications\u003c\/li\u003e\n\u003cli\u003ePump service requiring a replacement housing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eDoes this kit include the housing?\u003c\/strong\u003e\u003cbr\u003eYes, a replacement water pump housing is included.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill it fit any Yamaha 9.9-15 HP outboard?\u003c\/strong\u003e\u003cbr\u003eNo. Check the complete engine model, year and OEM pump references above. Horsepower alone does not confirm fitment.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs this a Yamaha-branded OEM kit?\u003c\/strong\u003e\u003cbr\u003eNo. This is a Sierra aftermarket replacement kit for the specified Yamaha applications.\u003c\/p\u003e","brand":"Sierra","offers":[{"title":"Default Title","offer_id":48838074958056,"sku":"47-3412","price":97.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/9927\/6776\/files\/sierra-18-3412.jpg?v=1790802967","url":"https:\/\/wakeboss.com\/products\/sierra-18-3412-water-pump-kit","provider":"Wakeboss","version":"1.0","type":"link"}