{"product_id":"807166a3-exhaust-flappers-water-shutters-y-pipe-for-mercruiser-1982-1996","title":"807166A3 Exhaust Flappers Water Shutters Y Pipe For MerCruiser 1982 1996","description":"\u003cstrong\u003eThis Exhaust Flapper Water Shutter Y-Pipe is a marine exhaust component compatible with 1982-1996 MerCruiser engines and matches OEM Part# 807166A3.\u003c\/strong\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThis exhaust flapper water shutter assembly is designed to prevent water backflow into the engine exhaust system on MerCruiser stern drive engines from 1982 to 1996. It replaces worn or damaged flappers in the Y-pipe to maintain proper exhaust flow and protect the engine from hydro-lock. Marine mechanics and boat owners rely on this part for reliable cooling system performance.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDirect replacement for OEM part 807166A3\u003c\/li\u003e\n\u003cli\u003eConstructed with heat-resistant materials for long service life\u003c\/li\u003e\n\u003cli\u003ePrevents exhaust water reversion at idle and low speeds\u003c\/li\u003e\n\u003cli\u003eEngineered to fit MerCruiser Y-pipe assemblies from 1982-1996\u003c\/li\u003e\n\u003cli\u003eIncludes flapper and shutter components for complete installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFits MerCruiser stern drive engines 1982-1996\u003c\/li\u003e\n\u003cli\u003eCompatible with most GM-based MerCruiser V6 and V8 models\u003c\/li\u003e\n\u003cli\u003eReplaces OEM Y-pipe exhaust flapper on many Alpha, Bravo, and TR drives\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon Uses\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eReplacing failed exhaust flappers in MerCruiser Y-pipe systems\u003c\/li\u003e\n\u003cli\u003ePreventing water intrusion during engine shut-down or low RPM operation\u003c\/li\u003e\n\u003cli\u003eRestoring proper exhaust backpressure for older MerCruiser engines\u003c\/li\u003e\n\u003cli\u003eMaintenance on freshwater and saltwater boats with MerCruiser power\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number(s):\u003c\/strong\u003e 807166A3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Stainless steel and high-temperature rubber\/elastomer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlapper Diameter:\u003c\/strong\u003e Approximately 3.5 inches (verify fitment)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Will this fit my 1990 MerCruiser 5.7L?\u003cstrong\u003e A:\u003c\/strong\u003e Yes, this flapper is designed for 1982-1996 MerCruiser engines including the 5.7L (350) – verify your Y-pipe style before purchase.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What material is the flapper made of?\u003cstrong\u003e A:\u003c\/strong\u003e The flapper uses a stainless steel backing plate with a flexible EPDM rubber seal for heat and chemical resistance.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eProduct appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.\u003c\/em\u003e\u003c\/p\u003e","brand":"DURAFORCE","offers":[{"title":"Default Title","offer_id":53676835242257,"sku":"ZZ2Y01376","price":61.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/57_79bc30e1-76a1-47c8-8357-66d4db7115b1.jpg?v=1781579110","url":"https:\/\/www.duraforce.com\/products\/807166a3-exhaust-flappers-water-shutters-y-pipe-for-mercruiser-1982-1996","provider":"DURAFORCE","version":"1.0","type":"link"}