{"product_id":"pair-exhaust-flappers-water-shutters-mercruiser-4-3-5-0-5-7-7-4-305-350-454-502","title":"Pair Exhaust Flappers Water Shutters Mercruiser 4.3 5.0 5.7 7.4 305 350 454 502","description":"\u003ch2\u003ePair Exhaust Flappers and Water Shutters for MerCruiser\u003c\/h2\u003e\u003cp\u003eThis pair of exhaust flappers and water shutters for MerCruiser is designed to fit 4.3, 5.0, 5.7, 7.4 engines and 305, 350, 454, 502 cubic inch models, preventing water backflow into the exhaust.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThese exhaust flappers and water shutters for MerCruiser work as one-way valves to keep water from entering the engine through the exhaust system. They are essential for marine engines to avoid hydrostatic lock.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePair includes both flapper and water shutter for each exhaust outlet\u003c\/li\u003e\n\u003cli\u003eConstructed from durable rubber and stainless steel\u003c\/li\u003e\n\u003cli\u003eDesigned for MerCruiser engines with 4.3, 5.0, 5.7, 7.4L and 305, 350, 454, 502 CID\u003c\/li\u003e\n\u003cli\u003eDirect replacement for worn or missing exhaust flaps\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor MerCruiser 4.3 L\u003c\/li\u003e\n\u003cli\u003efor MerCruiser 5.0 L\u003c\/li\u003e\n\u003cli\u003efor MerCruiser 5.7 L\u003c\/li\u003e\n\u003cli\u003efor MerCruiser 7.4 L\u003c\/li\u003e\n\u003cli\u003efor MerCruiser 305\u003c\/li\u003e\n\u003cli\u003efor MerCruiser 350\u003c\/li\u003e\n\u003cli\u003efor MerCruiser 454\u003c\/li\u003e\n\u003cli\u003efor MerCruiser 502\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePrevents water from backing up into the exhaust on sterndrive engines\u003c\/li\u003e\n\u003cli\u003eReplaces degraded flappers during engine maintenance\u003c\/li\u003e\n\u003cli\u003eTypical for marine mechanics and 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\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExhaust flapper and water shutter pair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.3L, 5.0L, 5.7L, 7.4L, 305, 350, 454, 502\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 Are these flappers and shutters sold as a pair? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, the listing includes one pair of exhaust flappers and water shutters.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need to replace both sides? \u003cstrong\u003eA:\u003c\/strong\u003e It is recommended to replace both to ensure balanced exhaust flow and prevent water ingress.\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":45556617773142,"sku":"ZZ3E01472","price":42.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_1a5d42c3-0562-43a3-8d16-bb972eea53ea.jpg?v=1789218985","url":"https:\/\/www.solidspare.com\/products\/pair-exhaust-flappers-water-shutters-mercruiser-4-3-5-0-5-7-7-4-305-350-454-502","provider":"Solid Spare","version":"1.0","type":"link"}