{"product_id":"pair-of-shutter-water-flappers-exhaust-y-pipe-for-mercruiser-replaces-807166a3","title":"Pair of Shutter Water Flappers Exhaust Y Pipe for Mercruiser replaces 807166A3","description":"\u003ch2\u003ePair of Shutter Water Flappers for Mercruiser\u003c\/h2\u003e\u003cp\u003eThis pair of shutter water flappers is designed for Mercruiser exhaust Y pipes, replacing OEM part number 807166A3 to control exhaust flow and prevent water reversion.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThese shutter water flappers are a direct replacement for Mercruiser exhaust systems, specifically for the Y pipe assembly. They function as one-way valves to allow exhaust gases out while blocking water from entering the engine. Sold as a pair, they match the original specifications for reliable performance.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eConstructed from durable rubber to resist water and heat\u003c\/li\u003e\n\u003cli\u003eExact fit for Mercruiser exhaust Y pipes\u003c\/li\u003e\n\u003cli\u003eReplaces OEM part number 807166A3\u003c\/li\u003e\n\u003cli\u003eSold as a pair for dual exhaust setups\u003c\/li\u003e\n\u003cli\u003ePrevents water reversion and protects engine internals\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eUsed in Mercruiser stern drive engines with Y pipe exhaust systems\u003c\/li\u003e\n\u003cli\u003eCommonly replaced during exhaust system maintenance or repair\u003c\/li\u003e\n\u003cli\u003eEnsures proper exhaust flow and prevents water ingestion during idle or shutdown\u003c\/li\u003e\n\u003cli\u003eIdeal for marine mechanics and DIY boat owners\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e807166A3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Pair (2 Flappers)\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 do I know if these flappers fit my Mercruiser? \u003cstrong\u003eA:\u003c\/strong\u003e These flappers are designed for Mercruiser exhaust Y pipes using OEM part 807166A3; check your current part number and engine model to confirm fitment.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What is the purpose of shutter water flappers? \u003cstrong\u003eA:\u003c\/strong\u003e They prevent water from flowing back into the exhaust system, which can cause engine damage, while allowing exhaust gases to exit freely.\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":45556633469014,"sku":"ZZ3E01692","price":47.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_bbdb077f-f174-4f57-a42b-f7cf44a7f80f.jpg?v=1789220868","url":"https:\/\/www.solidspare.com\/products\/pair-of-shutter-water-flappers-exhaust-y-pipe-for-mercruiser-replaces-807166a3","provider":"Solid Spare","version":"1.0","type":"link"}