Dorman 674-208 Exhaust Manifold - Left

Durable Cast Iron Exhaust Manifold for Chevrolet and GMC Vehicles

The Dorman 674-208 exhaust manifold is engineered to provide reliable exhaust flow for select Chevrolet, GMC, and Oldsmobile models. Constructed from cast iron with a natural finish, this exhaust manifold is designed to withstand high temperatures and deliver consistent performance.

• Material: Heavy-duty cast iron for durability and heat resistance
• Color: Natural cast iron finish
• Port Shape: Square ports for optimal exhaust flow
• Mounting Hardware Included: Yes, for straightforward installation
• Gasket and Seal Included: Comes with manifold gaskets and flange gasket
• Heat Shield Included: Protects surrounding components from heat
• Package Contents: Exhaust manifold, 3 manifold gaskets, 1 flange gasket, 3 studs, and 3 nuts

Product Details and Compatibility

This exhaust manifold, part number 674-208, is compatible with Chevrolet Blazer, GMC Jimmy, S10, S10 Blazer, S15, S15 Jimmy, Sonoma, and Oldsmobile Bravada models. The square port design ensures proper exhaust gas evacuation, which helps maintain engine efficiency and reduces backpressure. The included heat shield helps protect adjacent engine components from excessive heat, while the cast iron construction offers long-lasting durability under demanding conditions.

Common Applications and Problem Resolution

• Replacement for cracked or warped exhaust manifolds causing exhaust leaks
• Fixes exhaust manifold gasket failures that lead to noise and emissions issues
• Addresses heat damage to surrounding engine parts by using the included heat shield
• Restores proper exhaust flow to improve engine performance and fuel efficiency
• Eliminates exhaust manifold mounting hardware shortages with included studs and nuts

Installation Notes and Tips

Installation of the Dorman 674-208 exhaust manifold is simplified by the inclusion of all necessary mounting hardware and gaskets. It is recommended to clean the mounting surface thoroughly before installation to ensure a proper seal. Torque specifications should be followed according to the vehicle manufacturer’s guidelines to prevent leaks or damage. The heat shield should be installed as provided to protect nearby components from heat exposure.

Quality Assurance and Warranty Information

Dorman exhaust manifolds are manufactured to meet or exceed OEM standards for fit, form, and function. The 674-208 part is made from cast iron to provide durability and resistance to thermal stress. This product includes a limited warranty against defects in material and workmanship, ensuring reliable performance for your Chevrolet, GMC, or Oldsmobile vehicle.