{"product_id":"dorman-674-220-exhaust-manifold","title":"Dorman 674-220 Exhaust Manifold","description":"\u003ch2\u003eDorman 674-220 Exhaust Manifold for Nissan D21\u003c\/h2\u003e\u003cp\u003eThis Dorman exhaust manifold is engineered to match the fit and function of the original part on specified vehicles. Built from cast iron with a natural finish, it is designed for a direct repair on 1986-1989 Nissan D21 models and includes the gaskets, flange, studs, nuts, and heat shield needed for a complete exhaust manifold service.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 1986-1989 Nissan D21\u003c\/li\u003e\n\u003cli\u003eCast iron construction for durable exhaust service\u003c\/li\u003e\n\u003cli\u003eSquare port shape for the specified application\u003c\/li\u003e\n\u003cli\u003eIncludes gasket, seal, and heat shield components\u003c\/li\u003e\n\u003cli\u003eMounting hardware included for the repair\u003c\/li\u003e\n\u003cli\u003eDirect replacement exhaust manifold, Part Number 674-220\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eDesigned for Nissan D21 exhaust manifold replacement, Dorman 674-220 follows the original fit and function for the listed model years. The cast iron body supports high-temperature exhaust operation, while the square port design and OE-style configuration help simplify installation on 1986, 1987, 1988, and 1989 Nissan D21 trucks. This part cross-references ATP 101115 for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Repair Uses\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCracked or warped exhaust manifold replacement\u003c\/li\u003e\n\u003cli\u003eExhaust leaks at the manifold-to-cylinder head sealing surface\u003c\/li\u003e\n\u003cli\u003eBroken or missing manifold studs and flange hardware\u003c\/li\u003e\n\u003cli\u003eHeat shield damage on the original manifold assembly\u003c\/li\u003e\n\u003cli\u003eRestoring proper exhaust routing on a Nissan D21, Part Number 674-220\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the engine-side port shape and mounting layout before installation. Replace the manifold using the included gaskets and hardware, and inspect the mating surfaces for carbon buildup, corrosion, or warpage before tightening to specification. For a Nissan D21 exhaust manifold repair, confirm the vehicle is within the 1986-1989 model years listed for this part.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDorman manufactures this exhaust manifold as a regular-grade replacement component built to match the original part’s fit and function on the specified Nissan D21 applications. Part Number 674-220 is intended for direct replacement service on the listed vehicles.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44045140459701,"sku":"BKKY-674-220","price":160.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_674220_Fro.jpg?v=1775010055","url":"https:\/\/www.partcatalog.com\/products\/dorman-674-220-exhaust-manifold","provider":"PartCatalog","version":"1.0","type":"link"}