{"product_id":"dorman-674-646-exhaust-manifold","title":"Dorman 674-646 Exhaust Manifold - Left","description":"\u003ch2\u003eDorman 674-646 Exhaust Manifold for Left Side Repair\u003c\/h2\u003e\u003cp\u003eThe Dorman 674-646 exhaust manifold is engineered to match the fit and function of the original manifold on specified vehicles. Built from cast iron with an oval port shape, it is a direct repair option for left-side exhaust manifold replacement on select Ford, Lincoln, and Mercury models.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCast iron construction for durable exhaust service\u003c\/li\u003e\n\u003cli\u003eNatural finish\u003c\/li\u003e\n\u003cli\u003eOval port shape for OE-style fitment\u003c\/li\u003e\n\u003cli\u003eIncludes gasket and seal components for the repair\u003c\/li\u003e\n\u003cli\u003eMounting hardware included\u003c\/li\u003e\n\u003cli\u003eRegular grade replacement part\u003c\/li\u003e\n\u003cli\u003ePart number: 674-646\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThis Dorman exhaust manifold is designed for vehicles that need a left-side manifold replacement with OE-style dimensions and mounting points. It includes the necessary gaskets and downpipe hardware for a complete repair, helping restore proper exhaust routing and sealing at the cylinder head and flange connection. The Dorman 674-646 is a practical choice for 2007-2012 Ford Edge, 2009-2012 Ford Flex, 2010-2012 Ford Fusion, 2008-2011 Ford Taurus, 2008-2009 Ford Taurus X, 2007-2010 Ford Lincoln MKX, 2007-2012 Lincoln MKZ, 2009-2010 Lincoln MKS, 2010-2011 Lincoln MKT, and 2008-2009 Mercury Sable left-side applications. This part cross-references Ford OE number 7T4Z9431C for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Problems This Part Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCracked or warped exhaust manifold housing\u003c\/li\u003e\n\u003cli\u003eExhaust leaks at the manifold or flange connection\u003c\/li\u003e\n\u003cli\u003eBroken or corroded manifold mounting points\u003c\/li\u003e\n\u003cli\u003eNoise from a leaking left-side exhaust manifold\u003c\/li\u003e\n\u003cli\u003eFailed sealing surfaces that affect exhaust flow\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify engine and left-side fitment before installation. Inspect the cylinder head surface, flange area, and fasteners for damage or corrosion before assembly. Replace any worn sealing surfaces and follow the vehicle service procedure for torque sequence and heat-cycle recheck. This manifold is intended for left-side installation on the listed Ford, Lincoln, and Mercury vehicles.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman manufactures this manifold to match original fit and function on specified vehicles. The cast iron construction, included gasket components, and supplied mounting hardware support a complete exhaust manifold repair.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44054791618741,"sku":"BKKY-674-646","price":107.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_674646_Generic.jpg?v=1775010125","url":"https:\/\/www.partcatalog.com\/products\/dorman-674-646-exhaust-manifold","provider":"PartCatalog","version":"1.0","type":"link"}