Dorman 674-163 Exhaust Manifold - Right

Dorman 674-163 Exhaust Manifold

Dorman 674-163 is a cast iron exhaust manifold engineered to match the fit and function of the original manifold on specified vehicles. It includes the gaskets and downpipe hardware needed for a complete exhaust manifold repair, with a natural finish and square port shape.

Key Features

• Cast iron construction for durable exhaust service
• Natural finish with square port design
• Includes manifold gasket, flange gaskets, studs, nuts, and springs
• Mounting hardware included for the repair
• Direct replacement style for specified applications

Detailed Description

This exhaust manifold is built to restore proper exhaust routing at the cylinder head and downpipe connection on specified vehicles. Dorman 674-163 is manufactured to match the original manifold’s fit and function, making it a practical choice for exhaust manifold replacement on applications such as Chevrolet and GMC models where the OE part has cracked, warped, or developed leaks. The cast iron body helps provide the strength expected in a high-heat exhaust location, while the included gaskets and downpipe hardware support a complete repair. This part cross-references ATP 101072 for the same application.

What It Helps Fix

• Exhaust leaks at the manifold or flange connection
• Cracked or warped original manifold housing
• Broken or corroded manifold mounting points
• Noise from leaking exhaust gases near the engine
• Failed sealing surfaces between the manifold and downpipe

Installation Notes and Tips

Verify vehicle application before ordering, since fitment is specific and no universal vehicle list is provided here. Inspect the cylinder head and downpipe mating surfaces for damage before installation, and replace any worn fasteners or sealing surfaces as needed. For best results, follow factory torque specifications and allow the exhaust system to cool fully before service. Fits specified Chevrolet and GMC applications only; confirm the exact year, model, and engine configuration against your vehicle records. Dorman 674-163 is also referenced by part number 14045182 in interchange listings.

Quality Assurance

This manifold is precision-engineered and durably manufactured to replicate the original part’s fit and function on specified vehicles. Dorman 674-163 is built as a regular-grade replacement exhaust manifold for repair-focused service.