Dorman 674-517 Exhaust Manifold - Right

OE-Style Right Exhaust Manifold for GM Vans

This Dorman exhaust manifold is precision-engineered to match the fit and function of the original part on specified vehicles. Built from cast iron with a natural finish, it is made for the right side of select Chevrolet G30, Chevrolet P30, GMC G3500, and GMC P3500 applications.

Part number 674-517 includes the gaskets, flange, studs, springs, nuts, and heat shield needed for a complete exhaust manifold repair on the listed vehicles.

Key Features

• Cast iron construction for exhaust durability
• Natural finish with square port shape
• Includes gasket, seal, and heat shield
• Mounting hardware included for the listed application
• OE-style fit and function for right-side installation
• Cross-reference: ATP 101100

Detailed Description

Dorman 674-517 is a right exhaust manifold engineered for direct replacement on 1991-1996 Chevrolet G30, 1991-1995 Chevrolet P30, 1991-1996 GMC G3500, and 1991-1995 GMC P3500 models. The cast iron design supports long-term exhaust service, while the square port layout and included flange hardware help restore a proper seal at the manifold-to-downpipe connection. This part cross-references ATP 101100 for the same application.

Use 674-517 when replacing a cracked, warped, or leaking manifold on a Chevrolet G30 or GMC P3500 platform where the right-side exhaust manifold is required. The included gaskets and downpipe hardware support a complete repair on the specified GM van applications.

What It Helps Fix

• Exhaust leaks at the manifold flange
• Cracked or warped right-side manifold housing
• Broken or corroded manifold mounting points
• Noise from leaking exhaust gases near the engine
• Failed sealing surfaces on Chevrolet G30 and GMC P3500 exhaust systems

Installation Notes and Tips

Verify engine-side and downpipe alignment before tightening the hardware. Clean the mating surfaces thoroughly and replace damaged fasteners or warped components in the exhaust path. Confirm right-side fitment for your specific Chevrolet G30, Chevrolet P30, GMC G3500, or GMC P3500 before installation. Part number 674-517 is intended for the listed year and position applications only.

Quality Assurance

Dorman manufactures this manifold to match original fit and function on the specified vehicles. The part is built from cast iron and supplied with the necessary sealing components and hardware for the listed repair application.