{"product_id":"dorman-674-728-exhaust-manifold","title":"Dorman 674-728 Exhaust Manifold - Right","description":"\u003ch2\u003eOverview of Dorman Exhaust Manifold 674-728\u003c\/h2\u003e\u003cp\u003eThe Dorman 674-728 exhaust manifold is designed for reliable performance and durability in heavy-duty Chevrolet and GMC trucks. Engineered with cast iron and including essential mounting hardware, this exhaust manifold supports efficient exhaust flow for select Chevrolet Silverado, Sierra, Avalanche, Suburban, and Yukon XL 2500 models.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from durable cast iron material for long-lasting strength\u003c\/li\u003e\n\u003cli\u003eNatural color finish with square port shape for optimal exhaust flow\u003c\/li\u003e\n\u003cli\u003eIncludes mounting hardware: 3 studs, 3 nuts, and flange for secure installation\u003c\/li\u003e\n\u003cli\u003eComes with a manifold gasket and flange to ensure a proper seal\u003c\/li\u003e\n\u003cli\u003eEquipped with a heat shield to protect surrounding components\u003c\/li\u003e\n\u003cli\u003eCompatible with Chevrolet and GMC 2500 and 3500 HD series trucks\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman 674-728 exhaust manifold is crafted from cast iron, providing the necessary durability to withstand high temperatures and pressure from engine exhaust gases. Its natural finish and square port shape are designed to match OEM specifications, ensuring proper fit and function. This exhaust manifold includes all required mounting hardware, such as studs, nuts, and a flange, along with a gasket and heat shield to maintain a secure and sealed connection to the engine. The heat shield helps reduce heat transfer to nearby engine components, contributing to overall engine bay safety and longevity.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis exhaust manifold is compatible with a range of Chevrolet and GMC heavy-duty trucks, including:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eChevrolet Avalanche 2500\u003c\/li\u003e\n\u003cli\u003eChevrolet Silverado 2500 HD and 3500 Classic\u003c\/li\u003e\n\u003cli\u003eGMC Sierra 2500 HD, 2500 HD Classic, 3500, and 3500 Classic\u003c\/li\u003e\n\u003cli\u003eChevrolet Suburban 2500\u003c\/li\u003e\n\u003cli\u003eGMC Yukon XL 2500\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Issues Addressed by This Exhaust Manifold\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eExhaust leaks causing engine performance issues or noise\u003c\/li\u003e\n\u003cli\u003eCracked or warped manifolds due to heat stress\u003c\/li\u003e\n\u003cli\u003eFailed or missing gaskets leading to exhaust gas escape\u003c\/li\u003e\n\u003cli\u003eDamaged or missing mounting hardware affecting manifold stability\u003c\/li\u003e\n\u003cli\u003eHeat damage to surrounding engine components without proper shielding\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the engine is cool before beginning installation to avoid burns\u003c\/li\u003e\n\u003cli\u003eUse the included gasket and flange to achieve a proper seal\u003c\/li\u003e\n\u003cli\u003eTighten mounting hardware to manufacturer torque specifications to prevent leaks\u003c\/li\u003e\n\u003cli\u003eInspect the heat shield placement to protect adjacent components\u003c\/li\u003e\n\u003cli\u003eVerify compatibility with your specific Chevrolet or GMC model and year before installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman exhaust manifolds are manufactured to meet or exceed OEM standards for fit, form, and function. The 674-728 part number undergoes rigorous quality control to ensure durability and performance. This product includes a limited warranty covering defects in materials and workmanship, providing confidence in its reliability for your Chevrolet or GMC heavy-duty truck.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44054834708661,"sku":"BKKY-674-728","price":563.81,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_674728_Fro.jpg?v=1775010138","url":"https:\/\/www.partcatalog.com\/products\/dorman-674-728-exhaust-manifold","provider":"PartCatalog","version":"1.0","type":"link"}