GMC Semi Truck Exhaust Headers
- Dorman®Cast Iron Natural Exhaust Manifold (674-250)Cast Iron Natural Exhaust Manifold (674-250) by Dorman®. Position: Driver Side. Color: Natural. Header Coating: Uncoated. This exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the...Ideal replacement - this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehiclesReliable construction - durable materials resist warping, cracking and leaking for long-lasting performance$132.88
- Dorman®Cast Iron Natural Exhaust Manifold (674-162)Cast Iron Natural Exhaust Manifold (674-162) by Dorman®. Position: Driver Side. Color: Natural. Header Coating: Uncoated. This exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the...Ideal replacement - this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehiclesReliable construction - durable materials resist warping, cracking and leaking for long-lasting performance$152.91
- Dorman®Cast Iron Natural Exhaust Manifold (674-859)Cast Iron Natural Exhaust Manifold (674-859) by Dorman®. Position: Driver Side. Color: Natural. Header Coating: Uncoated. This exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the...Ideal replacement - this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehiclesReliable construction - durable materials resist warping, cracking and leaking for long-lasting performance$126.71
- Dorman®Cast Iron Natural Exhaust Manifold (674-858)Cast Iron Natural Exhaust Manifold (674-858) by Dorman®. Position: Passenger Side. Color: Natural. Header Coating: Uncoated. This exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the...Ideal replacement - this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehiclesReliable construction - durable materials resist warping, cracking and leaking for long-lasting performance$208.58
- Dorman®Cast Iron Natural Exhaust Manifold (674-860)Cast Iron Natural Exhaust Manifold (674-860) by Dorman®. Position: Driver Side. Color: Natural. Header Coating: Uncoated. This exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the...Ideal replacement - this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehiclesReliable construction - durable materials resist warping, cracking and leaking for long-lasting performance$220.05
- Dorman®Cast Iron Natural Exhaust Manifold (674-446)Cast Iron Natural Exhaust Manifold (674-446) by Dorman®. Position: Passenger Side. Color: Natural. Header Coating: Uncoated. This exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the...Ideal replacement - this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehiclesReliable construction - durable materials resist warping, cracking and leaking for long-lasting performance$107.68
- Dorman®Cast Iron Natural Exhaust Manifold (674-517)Cast Iron Natural Exhaust Manifold (674-517) by Dorman®. Position: Passenger Side. Color: Natural. Header Coating: Uncoated. This exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the...Ideal replacement - this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehiclesReliable construction - durable materials resist warping, cracking and leaking for long-lasting performance$109.56
- Dorman®Cast Iron Natural Exhaust Manifold (674-239)Cast Iron Natural Exhaust Manifold (674-239) by Dorman®. Position: Passenger Side. Color: Natural. Header Coating: Uncoated. This exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the...Ideal replacement - this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehiclesReliable construction - durable materials resist warping, cracking and leaking for long-lasting performance$160.70
- Dorman®Cast Iron Natural Exhaust Manifold (674-238)Cast Iron Natural Exhaust Manifold (674-238) by Dorman®. Position: Driver Side. Color: Natural. Header Coating: Uncoated. This exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the...Ideal replacement - this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehiclesReliable construction - durable materials resist warping, cracking and leaking for long-lasting performance$135.19
- Dorman®Cast Iron Natural Exhaust Manifold (674-163)Cast Iron Natural Exhaust Manifold (674-163) by Dorman®. Position: Passenger Side. Color: Natural. Header Coating: Uncoated. This exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the...Ideal replacement - this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehiclesReliable construction - durable materials resist warping, cracking and leaking for long-lasting performance$156.50
- Dorman®Cast Iron Natural Exhaust Manifold (674-501)Cast Iron Natural Exhaust Manifold (674-501) by Dorman®. Position: Passenger Side. Color: Natural. Header Coating: Uncoated. This exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the...Ideal replacement - this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehiclesReliable construction - durable materials resist warping, cracking and leaking for long-lasting performance$119.58
- Dorman®Cast Iron Natural Exhaust Manifold (674-470)Cast Iron Natural Exhaust Manifold (674-470) by Dorman®. Position: Driver Side. Color: Natural. Header Coating: Uncoated. This exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the...Ideal replacement - this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehiclesReliable construction - durable materials resist warping, cracking and leaking for long-lasting performance$118.94
- Dorman®Cast Iron Natural Exhaust Manifold (674-731)Cast Iron Natural Exhaust Manifold (674-731) by Dorman®. Position: Driver Side. Color: Natural. Header Coating: Uncoated. This exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the...Ideal replacement - this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehiclesReliable construction - durable materials resist warping, cracking and leaking for long-lasting performance$74.82
- Dorman®Cast Iron Natural Exhaust Manifold (674-736)Cast Iron Natural Exhaust Manifold (674-736) by Dorman®. Position: Passenger Side. Color: Natural. Header Coating: Uncoated. This exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the...Ideal replacement - this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehiclesReliable construction - durable materials resist warping, cracking and leaking for long-lasting performance$209.14
- Dorman®Cast Iron Natural Exhaust Manifold (674-732)Cast Iron Natural Exhaust Manifold (674-732) by Dorman®. Position: Passenger Side. Color: Natural. Header Coating: Uncoated. This exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the...Ideal replacement - this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehiclesReliable construction - durable materials resist warping, cracking and leaking for long-lasting performance$121.44
- Dorman®Cast Iron Natural Exhaust Manifold (674-522)Cast Iron Natural Exhaust Manifold (674-522) by Dorman®. Position: Driver Side. Color: Natural. Header Coating: Uncoated. This exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the...Ideal replacement - this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehiclesReliable construction - durable materials resist warping, cracking and leaking for long-lasting performance$88.68
- Dorman®Exhaust Manifold (674-858XD)Exhaust Manifold (674-858XD) by Dorman®. Position: Passenger Side. This exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the original manifold on specified vehicles. It includes all...Ideal replacement - this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehiclesReliable construction - durable materials resist warping, cracking and leaking for long-lasting performance$233.79
- Dorman®Exhaust Manifold (674-859XD)Exhaust Manifold (674-859XD) by Dorman®. Position: Driver Side. This exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the original manifold on specified vehicles. It includes all...Ideal replacement - this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehiclesReliable construction - durable materials resist warping, cracking and leaking for long-lasting performance$184.21
- Dorman®Exhaust Manifold Hardware Kit (32121)Exhaust Manifold Hardware Kit (32121) by Dorman®. Dorman manifold bolt and spring kits are just what you need to secure the front flange. Dorman offers products like fasteners and solutions to keep your vehicle running its best.Direct replacement for a proper fitBuilt to Last$16.67
- Dorman®Exhaust Manifold Hardware Kit (32130)Exhaust Manifold Hardware Kit (32130) by Dorman®. Dorman manifold bolt and spring kits are just what you need to secure the front flange. Dorman offers products like fasteners and solutions to keep your vehicle running its best.Direct replacement for a proper fitBuilt to Last$15.73
- Dorman®Exhaust Manifold Hardware Kit (03413HP)Exhaust Manifold Hardware Kit (03413HP) by Dorman®. Dorman manifold bolt and spring kits are just what you need to secure the front flange. Dorman offers products like fasteners and solutions to keep your vehicle running its best.Direct replacement for a proper fitBuilt to Last$14.90
- Dorman®Metal Exhaust Manifold Hardware Kit (03412B)Metal Exhaust Manifold Hardware Kit (03412B) by Dorman®. Dorman manifold bolt and spring kits are just what you need to secure the front flange. Dorman offers products like fasteners and solutions to keep your vehicle running its best.Direct replacement for a proper fitBuilt to Last$12.51
- Dorman®Steel Exhaust Manifold Hardware Kit (03442)Steel Exhaust Manifold Hardware Kit (03442) by Dorman®. Dorman manifold bolt and spring kits are just what you need to secure the front flange. Dorman offers products like fasteners and solutions to keep your vehicle running its best.Direct replacement for a proper fitBuilt to Last$24.57
- Dorman®Steel Exhaust Manifold Hardware Kit (03413)Steel Exhaust Manifold Hardware Kit (03413) by Dorman®. Dorman manifold bolt and spring kits are just what you need to secure the front flange. Dorman offers products like fasteners and solutions to keep your vehicle running its best.Direct replacement for a proper fitBuilt to Last$9.81
- Dorman®Steel Exhaust Manifold Hardware Kit (03413B)Steel Exhaust Manifold Hardware Kit (03413B) by Dorman®. Dorman manifold bolt and spring kits are just what you need to secure the front flange. Dorman offers products like fasteners and solutions to keep your vehicle running its best.Direct replacement for a proper fitBuilt to Last$9.06
- Walker®Stainless Steel Bare 3-Bolt Exhaust Flange (31883)Stainless Steel Bare 3-Bolt Exhaust Flange by Walker®. Position: Passenger Side. With their extensive selection of accessories and hardware for the exhaust system, Walker will provide you with everything needed to do the complete...Makes installation quick and easyOptimal OE-style fit and quality$11.26
- Dorman HD Solutions®Cast Iron Natural Exhaust Manifold (674-5008)Cast Iron Natural Exhaust Manifold (674-5008) by Dorman HD Solutions®. Color: Natural. Header Coating: Uncoated. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology...High Quality tubular construction protects against warping and/or crackingLeak-resistant for long-lasting performance$509.53
- Dorman HD Solutions®Cast Iron Natural Exhaust Manifold (674-5600)Cast Iron Natural Exhaust Manifold (674-5600) by Dorman HD Solutions®. Position: Driver Side. Color: Natural. Header Coating: Uncoated. This product is made of high-quality materials to serve you for years to come. Designed using...High Quality tubular construction protects against warping and/or crackingLeak-resistant for long-lasting performance$520.29
- Dorman HD Solutions®Stainless Steel Exhaust Manifold (674-5014)Stainless Steel Exhaust Manifold by Dorman HD Solutions®. Position: Passenger Side. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It...High Quality tubular construction protects against warping and/or crackingLeak-resistant for long-lasting performance$382.03
- ACDelco®Genuine GM Parts™ Cast Iron Exhaust Manifold (12676607)Genuine GM Parts™ Cast Iron Exhaust Manifold (12676607) by ACDelco®. Position: Passenger Side. Collector Outlet Diameter: 1.81" (46.00 mm). Designed utilizing the latest technology, this product by ACDelco features premium quality and...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$109.52