{"product_id":"water-pump-repair-kit-6aw-w0078-00-00-18-3477-for-yamaha-outboard-300-350hp-v8","title":"Water Pump Repair Kit 6AW-W0078-00-00 18-3477 for Yamaha Outboard 300\u0026350HP V8","description":"\u003ch2\u003eWater Pump Repair Kit for Yamaha\u003c\/h2\u003e\u003cp\u003eThis water pump repair kit for Yamaha outboards supplies the essential parts to rebuild the cooling system water pump; it cross-references OEM part numbers 6AW-W0078-00-00 and 18-3477.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis water pump repair kit is built for Yamaha 300HP and 350HP V8 outboard engines. Designed to restore cooling system pressure, the water pump repair kit includes the essential wear components needed for a reliable rebuild. It suits boat owners and technicians maintaining high-horsepower Yamaha four-stroke outboards.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eEngineered for Yamaha 300HP and 350HP V8 outboard cooling systems\u003c\/li\u003e\n\u003cli\u003eIncludes replacement water pump components for a complete repair\u003c\/li\u003e\n\u003cli\u003eCross-references OEM part numbers 6AW-W0078-00-00 and 18-3477\u003c\/li\u003e\n\u003cli\u003eSupports high-output V8 outboard operation\u003c\/li\u003e\n\u003cli\u003eHelps prevent overheating and cooling system failure\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Yamaha 300HP V8 outboards\u003c\/li\u003e\n\u003cli\u003efor Yamaha 350HP V8 outboards\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eFor replacing a worn water pump impeller during routine outboard service\u003c\/li\u003e\n\u003cli\u003eFor repairing overheating issues in Yamaha 300HP and 350HP V8 outboards\u003c\/li\u003e\n\u003cli\u003eFor use in saltwater and freshwater cooling systems\u003c\/li\u003e\n\u003cli\u003eFor preventive maintenance before boating season\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWater pump repair kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYamaha\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e300HP and 350HP V8 outboards\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6AW-W0078-00-00, 18-3477\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How does this water pump repair kit fit a Yamaha outboard? \u003cstrong\u003eA:\u003c\/strong\u003e Fit depends on the outboard's exact model and serial number. This kit cross-references 6AW-W0078-00-00 and 18-3477 for Yamaha 300HP and 350HP V8 engines.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What does a water pump repair kit include? \u003cstrong\u003eA:\u003c\/strong\u003e It includes the impeller and sealing components needed to rebuild the water pump. Replacing these parts helps maintain proper engine cooling.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Solid Spare","offers":[{"title":"Default Title","offer_id":45556688060502,"sku":"ZZ3E02279","price":67.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_eeeba9a1-33a2-4420-a3fc-fb52a548c20b.jpg?v=1789226253","url":"https:\/\/www.solidspare.com\/products\/water-pump-repair-kit-6aw-w0078-00-00-18-3477-for-yamaha-outboard-300-350hp-v8","provider":"Solid Spare","version":"1.0","type":"link"}