{"product_id":"dorman-674-918-exhaust-manifold-rear","title":"Dorman 674-918 Exhaust Manifold - Rear","description":"\u003ch2\u003eReliable Cast Iron Exhaust Manifold for Select GM Vehicles\u003c\/h2\u003e\u003cp\u003eThe Dorman 674-918 exhaust manifold is engineered to provide durable exhaust flow management for a range of Buick, Chevrolet, Oldsmobile, Pontiac, and Saturn models. Designed with cast iron construction and a natural finish, this exhaust manifold offers consistent performance and longevity.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from durable cast iron material for heat resistance and strength\u003c\/li\u003e\n\u003cli\u003eNatural color finish complements OEM appearance\u003c\/li\u003e\n\u003cli\u003eIrregular port shape designed to match specific engine configurations\u003c\/li\u003e\n\u003cli\u003eIncludes exhaust manifold gasket, flange, 6 studs, and 6 nuts for a complete installation\u003c\/li\u003e\n\u003cli\u003eEquipped with a heat shield to protect surrounding components from excessive heat\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman 674-918 exhaust manifold is a direct replacement part designed to restore proper exhaust flow and engine efficiency in compatible vehicles. Its cast iron construction ensures reliable heat tolerance and structural integrity under high-temperature conditions. The irregular port shape is tailored to fit the exhaust ports of various GM engines, ensuring a precise seal and optimal exhaust gas evacuation. This manifold comes with a heat shield to reduce heat transfer to nearby engine components, helping maintain overall engine bay temperature control. The included gasket and mounting hardware simplify the installation process, providing a comprehensive solution for exhaust manifold replacement.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Common Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBuick Alero, Century, Rendezvous, Terraza\u003c\/li\u003e\n\u003cli\u003eChevrolet Impala, Monte Carlo, Uplander, Montana\u003c\/li\u003e\n\u003cli\u003eOldsmobile Silhouette\u003c\/li\u003e\n\u003cli\u003ePontiac Aztek, Grand Am, Relay, Montana\u003c\/li\u003e\n\u003cli\u003eSaturn Relay\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis exhaust manifold is suitable for addressing issues such as exhaust leaks, decreased engine performance, unusual exhaust noises, and failed emissions tests related to manifold damage or gasket failure.\u003c\/p\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\u003eClean the mounting surface thoroughly to ensure a proper seal with the new gasket\u003c\/li\u003e\n\u003cli\u003eTorque mounting hardware to manufacturer specifications to prevent leaks\u003c\/li\u003e\n\u003cli\u003eInspect the heat shield placement to avoid contact with wiring or hoses\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 674-918 exhaust manifold undergoes rigorous quality checks to ensure durability and performance. This part includes a limited warranty covering defects in material and workmanship, providing confidence in your replacement component.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":52125366321333,"sku":"BKKY-674-918","price":289.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_674918_Fro.jpg?v=1775163193","url":"https:\/\/www.partcatalog.com\/products\/dorman-674-918-exhaust-manifold-rear","provider":"PartCatalog","version":"1.0","type":"link"}