{"product_id":"dorman-674-738-exhaust-manifold","title":"Dorman 674-738 Exhaust Manifold - Left or Right","description":"\u003ch2\u003eOverview of Dorman Exhaust Manifold 674-738\u003c\/h2\u003e\u003cp\u003eThe Dorman 674-738 exhaust manifold is designed specifically for Chevrolet and GMC P30 and P3500 models. Crafted from durable cast iron with a natural finish, this exhaust manifold ensures reliable performance and longevity for your vehicle's exhaust system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from cast iron for strength and heat resistance\u003c\/li\u003e\n\u003cli\u003eNatural color finish for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eSquare port shape for optimal exhaust flow\u003c\/li\u003e\n\u003cli\u003eIncludes mounting hardware for straightforward installation\u003c\/li\u003e\n\u003cli\u003eComes with exhaust manifold gasket and flange for proper sealing\u003c\/li\u003e\n\u003cli\u003ePackage contains 1 exhaust manifold, 1 manifold gasket and flange, 3 studs, and 3 nuts\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman 674-738 exhaust manifold is engineered to meet the specifications of Chevrolet and GMC P30 and P3500 vehicles. Its cast iron construction provides durability under high-temperature conditions, while the natural finish helps resist corrosion over time. The square port shape is designed to match the exhaust ports on compatible engines, ensuring efficient exhaust gas flow and reducing backpressure. This part includes all necessary mounting hardware, including studs and nuts, as well as a gasket and flange to ensure a secure and leak-free connection to the exhaust system.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis exhaust manifold is compatible with the following vehicles:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eChevrolet P30\u003c\/li\u003e\n\u003cli\u003eGMC P30\u003c\/li\u003e\n\u003cli\u003eChevrolet P3500\u003c\/li\u003e\n\u003cli\u003eGMC P3500\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt is intended for use in replacing worn or damaged exhaust manifolds to restore proper exhaust function and engine performance.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by This Exhaust Manifold\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eExhaust leaks causing noise and reduced engine efficiency\u003c\/li\u003e\n\u003cli\u003eCracked or warped manifolds due to heat stress\u003c\/li\u003e\n\u003cli\u003ePoor exhaust flow leading to decreased engine performance\u003c\/li\u003e\n\u003cli\u003eFailed or missing gaskets causing exhaust fumes to escape\u003c\/li\u003e\n\u003cli\u003eCorrosion damage compromising manifold integrity\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\u003c\/li\u003e\n\u003cli\u003eUse the included gasket and flange to prevent exhaust leaks\u003c\/li\u003e\n\u003cli\u003eTorque mounting hardware to manufacturer specifications\u003c\/li\u003e\n\u003cli\u003eInspect exhaust ports for damage or debris before installation\u003c\/li\u003e\n\u003cli\u003eReplace any damaged studs or nuts with the included hardware\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 and function. The 674-738 part number undergoes quality checks to ensure durability and proper fitment on Chevrolet and GMC P30 and P3500 models. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in materials and workmanship.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44054836674741,"sku":"BKKY-674-738","price":480.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_674738_Fro_46793c88-6baa-4ea1-9d29-c2525ae94ffe.jpg?v=1775010139","url":"https:\/\/www.partcatalog.com\/products\/dorman-674-738-exhaust-manifold","provider":"PartCatalog","version":"1.0","type":"link"}