Dorman 674-732XD Exhaust Manifold - Right

Dorman 674-732XD Right Exhaust Manifold

The Dorman 674-732XD is a right-side exhaust manifold engineered for direct replacement on a wide range of Chevrolet, GMC, Cadillac, and Hummer applications. It is built with a carbon ceramic coated finish and a black appearance to help match OE fit and function on specified vehicles.

Compatible With 2002-2020 Chevrolet Silverado, Express, Suburban, Tahoe, Avalanche, and related GMC/Cadillac models with ceramic coating requirements, this manifold is built for a precise repair. The included gaskets and downpipe hardware support a more complete exhaust service on the listed applications.

Key Features

• Brand: Dorman
• Part number: 674-732XD
• Right-side exhaust manifold
• Carbon ceramic coated construction
• Black finish
• Round port shape
• 3-inch collector port diameter
• Standard replacement grade
• Heat shield included
• Designed for specified Chevrolet, GMC, Cadillac, and Hummer fitments

Detailed Description

This exhaust manifold is precision-engineered and durably manufactured to match the fit and function of the original manifold on the listed vehicles. The carbon ceramic coated surface is intended to support long-term durability in high-heat exhaust service, while the round-port design and 8 mounting holes align with the OE-style installation pattern. The Dorman 674-732XD is a practical choice for drivers servicing a right-side manifold on vehicles such as the Chevrolet Silverado 1500, GMC Sierra 1500, Chevrolet Tahoe, and Cadillac Escalade.

This part cross-references 12569416 and 12602038 for the same application.

What It Helps Address

• Exhaust leaks at the manifold flange or gasket surface
• Cracked or warped original manifold housing
• Noise from a failing right-side exhaust manifold
• Heat-related deterioration in the exhaust manifold area
• Service needs on Chevrolet Silverado 2500 HD, GMC Sierra 2500 HD, and similar platforms

Installation Notes and Tips

Verify right-side placement before installation and confirm vehicle-specific emissions configuration, including California emissions notes where listed. Inspect the cylinder head surface, flange surfaces, and downpipe connection for damage before assembly. Use the included gaskets and downpipe hardware listed for the application, and follow factory torque specifications and tightening sequence for best sealing results.

Quality Assurance

Dorman manufactures this manifold as a standard replacement part engineered to match OE fit and function on the specified vehicles. The design includes the necessary gaskets and downpipe hardware for the repair package described by the manufacturer.