Dorman 674-208 Exhaust Manifold - Left

Dorman 674-208 Exhaust Manifold

Restore exhaust sealing and flow with this Dorman exhaust manifold for the left side of select Chevrolet, GMC, and Oldsmobile applications. The Dorman 674-208 is precision-engineered to match the fit and function of the original manifold, with cast iron construction, a natural finish, and included gaskets and downpipe hardware for a complete repair.

Key Features

• Cast iron manifold construction for durable exhaust service
• Natural finish with square port shape
• Includes gasket or seal and heat shield
• Mounting hardware included for the repair
• Package contents include the exhaust manifold, manifold gaskets, flange, studs, nuts, and springs
• Direct replacement for the left-side exhaust manifold on listed vehicles

Detailed Description

This exhaust manifold is built for direct replacement on select 1988-1995 Chevrolet S10, 1988-1995 Chevrolet Blazer, 1988-1994 Chevrolet S10 Blazer, 1991-1995 GMC Sonoma, 1992-1995 GMC Jimmy, 1988-1991 GMC S15 Jimmy, 1988-1990 GMC S15, and 1991-1994 Oldsmobile Bravada models in the left position. The Dorman 674-208 is made from cast iron and includes the sealing components and downpipe-related hardware needed to complete the repair. For buyers searching for a left exhaust manifold for 1995 Chevrolet Blazer or a replacement exhaust manifold for GMC Sonoma left side applications, this part matches the original fit and function requirements.

This part cross-references ATP 101086 for the same application.

Common Repair Symptoms

• Exhaust leak at the manifold or flange area
• Cracked or warped original manifold
• Broken manifold studs or damaged mounting points
• Noise from the left exhaust manifold area
• Failed sealing surfaces causing loss of exhaust integrity

Installation Notes

Verify left-side fitment before installation and compare the port shape, mounting points, and included hardware to the original part. Clean the cylinder head and flange surfaces thoroughly before assembly to help the new gaskets seal properly. Replace damaged studs or fasteners during installation and follow the vehicle service procedure for torque sequence and heat shield placement.

Quality Assurance

Dorman manufactures this manifold to match the fit and function of the original part on the specified vehicles. The design uses regular-grade cast iron construction and includes the sealing and mounting components listed for a complete exhaust manifold repair.