{"product_id":"2774830-mercury-mercruiser-gasket-genuine-quicksilver-oem-part","title":"2774830 Mercury MerCruiser Gasket | Genuine Quicksilver OEM Part","description":"\u003cp\u003e\n 🔧 Product Description\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Genuine Quicksilver Thermostat Housing to Reservoir Gasket - Part Number: 27-74830\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n A genuine Quicksilver thermostat housing to reservoir gasket for MerCruiser 470 3.7L \/ 224 CID inline 4-cylinder engines. This gasket seals the thermostat housing to reservoir interface on the MerCruiser 470 cooling system and is used on 1976-1982 470 MCM \/ MIE applications where specified.\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n ⚙️ Key Features\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Genuine Quicksilver OEM gasket\n\u003c\/p\u003e\n\u003cp\u003e\n • Correct Mercury part number 27-74830\n\u003c\/p\u003e\n\u003cp\u003e\n • Thermostat housing to reservoir gasket\n\u003c\/p\u003e\n\u003cp\u003e\n • Fits MerCruiser 470 MCM \/ MIE 224 CID inline 4-cylinder applications where specified\n\u003c\/p\u003e\n\u003cp\u003e\n • Cross-references with Sierra, GLM and Barr Marine gasket references\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n 🔄 Supersession \u0026amp; Cross Reference\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n OEM Supersession Chain:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • 27-74830 current OEM service reference\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n OEM \/ Related Numbers:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • 27-74830\n\u003c\/p\u003e\n\u003cp\u003e\n • 74830\n\u003c\/p\u003e\n\u003cp\u003e\n • 2774830\n\u003c\/p\u003e\n\u003cp\u003e\n • 76270T related thermostat reference for early 470 \/ 485 cooling system\n\u003c\/p\u003e\n\u003cp\u003e\n • 991551 related thermostat reference for later 470 cooling system applications\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Aftermarket \/ Verified Equivalents:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Sierra: 18-2843\n\u003c\/p\u003e\n\u003cp\u003e\n • GLM: 31840\n\u003c\/p\u003e\n\u003cp\u003e\n • Barr Marine: MC47-27-74830\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n 🚤 Compatibility\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Commonly used on:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 470 thermostat housing to reservoir gasket applications\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 224 CID inline 4-cylinder cooling systems\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Typically suits:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Engine models:\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 470 MCM \/ MIE 224 CID I\/L4 - 1976-1982, serial 4208730 to 6218036\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 470 2BBL Mercury 224 I\/L4 - 1976-1979, serial 4208730 to 5520114\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 470 2BBL Mercury 224 I\/L4 - 1980-1982, serial 5520115 to 6218036\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 470 inboard exhaust manifold and elbow applications where 27-74830 is specified\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 470 MCM exhaust manifold and elbow applications where 27-74830 is specified\n\u003c\/p\u003e\n\u003cp\u003e\n • MerCruiser 470 \/ 485 cooling system applications with thermostat housing to reservoir gasket 27-74830 and serial 6218036 and below\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Engine Type: MerCruiser 470 \/ 224 CID inline 4-cylinder petrol engine\n\u003c\/p\u003e\n\u003cp\u003e\n • Year Range: 1976-1982 where specified\n\u003c\/p\u003e\n\u003cp\u003e\n • System Type: Thermostat housing to reservoir gasket \/ cooling system gasket\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n 🔌 Function\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n The gasket seals the thermostat housing to reservoir joint, helping prevent cooling-water leakage and maintaining correct flow through the thermostat housing and reservoir assembly.\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n Common signs of failure:\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Water leak at thermostat housing \/ reservoir joint\n\u003c\/p\u003e\n\u003cp\u003e\n • Rust staining or corrosion around housing joint\n\u003c\/p\u003e\n\u003cp\u003e\n • Cooling-system seepage after thermostat service\n\u003c\/p\u003e\n\u003cp\u003e\n • Gasket torn during housing removal\n\u003c\/p\u003e\n\u003cp\u003e\n • Replacement required during thermostat housing or exhaust manifold service\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n 📦 Condition\n\u003c\/p\u003e\n\u003cp\u003e\n \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n • Genuine Quicksilver part\n\u003c\/p\u003e\n\u003cp\u003e\n • Brand new\n\u003c\/p\u003e\n\u003cp\u003e\n • Supplied in original or equivalent packaging\n\u003c\/p\u003e\n","brand":"Quicksilver","offers":[{"title":"Default Title","offer_id":53388145787172,"sku":"G994881","price":11.5,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/8115\/7924\/files\/original_5006d9f2-6736-4a26-a756-2a8da425a8dd.jpg?v=1777212080","url":"https:\/\/www.sawleysautoandmarine.com.au\/products\/2774830-mercury-mercruiser-gasket-genuine-quicksilver-oem-part","provider":"Sawley's Auto and Marine","version":"1.0","type":"link"}