{"product_id":"merc-847","title":"Mercury MerCruiser Quicksilver Closed-Cooling Exhaust Elbow Block-Off Gasket 8637251","description":"\u003ch2\u003eProduct Description\u003c\/h2\u003e\u003cp\u003eQuicksilver 27-8637251 is the closed-cooling block-off gasket for specified MerCruiser center-rise exhaust manifolds. It separates the appropriate coolant passage at the manifold-to-exhaust-elbow joint.\u003c\/p\u003e\u003ch2\u003eEngine Compatibility\u003c\/h2\u003e\u003cp\u003eMercury specifies this gasket for selected GM-based V6 and V8 MerCruiser sterndrive and inboard engines with center-rise outlet exhaust manifolds and MerCruiser closed cooling.\u003c\/p\u003e\u003ch2\u003eAlternate Part Numbers\u003c\/h2\u003e\u003cp\u003eSupersedes 27-863725. Older related references include 27-41811 and 27-860231.\u003c\/p\u003e\u003ch2\u003eReplacement and Installation\u003c\/h2\u003e\u003cp\u003eInspect the manifold and elbow sealing faces when the joint is opened. Install the correct block-off gasket and follow the engine-specific exhaust service procedure.\u003c\/p\u003e\u003ch2\u003eParts Desk Insight\u003c\/h2\u003e\u003cp\u003eClosed-cooling block-off gaskets are selected by the water-routing arrangement. A standard-cooling restrictor or full-flow gasket is a different part.\u003c\/p\u003e","brand":"MERC","offers":[{"title":"Default Title","offer_id":43563896569892,"sku":"8637251","price":28.97,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/mercury-8637251-exact-oem.webp?v=1791246382","url":"https:\/\/marisolmarine.com\/products\/merc-847","provider":"Marisol Marine Company","version":"1.0","type":"link"}