{"product_id":"dorman-674-987-exhaust-manifold","title":"Dorman 674-987 Exhaust Manifold - Left","description":"\u003ch2\u003eOE-Style Exhaust Manifold for Ford Super Duty\u003c\/h2\u003e\u003cp\u003eThis Dorman exhaust manifold is precision-engineered to match the fit and function of the original part on specified vehicles. Built from cast iron with a natural finish, it is made for left-side applications on Ford F-250 Super Duty, F-350 Super Duty, Ford F-350, and Ford F-150 models listed below. Part number 674-987 includes the gaskets and downpipe hardware needed for a complete exhaust manifold repair.\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 with square port shape\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\u003eDirect-fit replacement for the left side\u003c\/li\u003e\n\u003cli\u003eCross-reference: Ford BC3Z9431DA\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eDorman 674-987 is an exhaust manifold replacement engineered for OE fit and function on select Ford trucks. It is designed for the left side and uses a cast iron body with a square port shape to match the original manifold layout. This part number 674-987 is a practical choice for restoring exhaust sealing and manifold integrity on 2010-2022 Ford F-150, Ford F-350, Ford F-250 Super Duty, and Ford F-350 Super Duty applications listed in the fitment data.\u003c\/p\u003e\u003cp\u003eCompatible With: Fits 2010-2014 Ford F-150, left; Fits 2011-2016 Ford F-350, left; Fits 2011-2022 Ford F-250 Super Duty, left; Fits 2011-2022 Ford F-350 Super Duty, left.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Fix\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eExhaust leaks at the manifold-to-cylinder head sealing surface\u003c\/li\u003e\n\u003cli\u003eCracked or warped original manifold housing\u003c\/li\u003e\n\u003cli\u003eBroken or corroded manifold mounting points\u003c\/li\u003e\n\u003cli\u003eNoise from escaping exhaust gases near the engine\u003c\/li\u003e\n\u003cli\u003eFailed sealing components at the manifold connection\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify left-side fitment before ordering and compare the original manifold, port shape, and mounting points to the replacement. The package contents include the exhaust manifold, manifold gaskets, studs, and nuts, which supports a complete repair. Inspect the cylinder head surface, fasteners, and adjoining exhaust components during installation to help ensure a proper seal.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eThis Dorman manifold is manufactured to match original fit and function on the specified Ford applications. Its cast iron construction and included sealing components support a repair focused on restoring factory-style exhaust performance.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44055025156277,"sku":"BKKY-674-987","price":113.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_674987_Fro.jpg?v=1775010183","url":"https:\/\/www.partcatalog.com\/products\/dorman-674-987-exhaust-manifold","provider":"PartCatalog","version":"1.0","type":"link"}