{"product_id":"sierra-47-06729-exhaust-elbow-gasket-mercruiser-closed-cooling-2-pack","title":"Sierra 47-06729 Exhaust Elbow Gasket | MerCruiser Closed Cooling | 2-Pack","description":"\u003ch2\u003eSierra 47-06729 Exhaust Elbow Gasket — MerCruiser Closed Cooling Systems\u003c\/h2\u003e\u003cp\u003eKeep your MerCruiser stern drive exhaust system sealed and running clean with this OEM-spec exhaust elbow gasket from Sierra. Sold as a \u003cstrong\u003e2-pack\u003c\/strong\u003e, these gaskets are purpose-built for closed cooling applications on GM-based V6 and V8 engines with a center-rise outlet exhaust manifold — a common configuration across a wide range of MerCruiser stern drive installations.\u003c\/p\u003e\u003cp\u003eSierra gaskets are manufactured to meet or exceed original equipment specifications, so you get a reliable, leak-free seal without the dealership markup.\u003c\/p\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e MerCruiser stern drives with closed cooling systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine compatibility:\u003c\/strong\u003e GM-based V6 and V8 engines with center-rise outlet exhaust manifold\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible manifold:\u003c\/strong\u003e 18-1953-2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible manifold spacers:\u003c\/strong\u003e 18-1985, 18-1908\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible elbows:\u003c\/strong\u003e 18-1970-2, 18-1976-2, 18-1974-1\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e2 × exhaust elbow gaskets (sold as a set)\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eParts Desk Insights\u003c\/h3\u003e\u003cp\u003eThis gasket is the right choice when you're servicing or replacing the exhaust elbow on a closed-cooling MerCruiser with a center-rise manifold — a very common setup on older GM V8 stern drives. Always replace the elbow gaskets any time the elbow is removed; reusing a compressed gasket is a leading cause of exhaust leaks after service. If you're doing a full exhaust refresh, also consider the \u003ca href=\"\/products\/8131641835556\"\u003eSierra 18-0943-2 Exhaust Elbow Gasket 2-Pack\u003c\/a\u003e or the \u003ca href=\"\/products\/8131647373348\"\u003eSierra 18-8519 Exhaust Elbow Mounting Kit\u003c\/a\u003e depending on your specific elbow configuration. SKU: 47-06729.\u003c\/p\u003e","brand":"LNS","offers":[{"title":"Default Title","offer_id":51199432917028,"sku":"47-06729","price":48.99,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/47-06729.jpg?v=1785605270","url":"https:\/\/marisolmarine.com\/products\/sierra-47-06729-exhaust-elbow-gasket-mercruiser-closed-cooling-2-pack","provider":"Marisol Marine Company","version":"1.0","type":"link"}