Dorman 674-675 Exhaust Manifold

Dorman Exhaust Manifold for S10 and Sonoma

This Dorman exhaust manifold is precision-engineered to match the fit and function of the original manifold on specified Chevrolet S10 and GMC Sonoma applications. Built from cast iron with a natural finish, it includes the gasket, heat shield, and mounting hardware needed for a complete exhaust manifold repair.

Key Features

• Direct replacement exhaust manifold for specified Chevrolet S10 and GMC Sonoma models
• Cast iron construction for durable exhaust service
• Round port shape for OE-style exhaust connection
• Natural finish
• Includes gasket, heat shield, and mounting hardware
• Part number 674-675 for easy identification

Detailed Description

Dorman 674-675 is an exhaust manifold designed for 2000-2003 Chevrolet S10 and 2000-2003 GMC Sonoma applications, including 2003 models with Low Emissions (LEV) or National Low Emissions (NLEV) configurations. It is built to match the original manifold’s fit and function, helping restore proper exhaust routing on the vehicle. This part cross-references ATP 101355 for the same application.

The cast iron body supports long-term exhaust durability, while the included gasket and heat shield help complete the repair with OE-style components. If you are replacing a cracked or leaking exhaust manifold on a Chevrolet S10 or GMC Sonoma, Dorman 674-675 provides a direct-fit solution for the specified vehicles.

What It Helps Repair

• Exhaust leaks at the manifold
• Cracked or warped manifold housing
• Noise from a leaking exhaust connection
• Failed gasket sealing at the cylinder head
• Damaged manifold hardware during exhaust service

Installation Notes and Tips

Verify engine and emissions configuration before installation, especially on 2003 Chevrolet S10 and GMC Sonoma LEV/NLEV applications. Inspect the cylinder head sealing surface, exhaust flange, and downpipe connection for damage or corrosion before assembly. Replace any worn fasteners or sealing surfaces as needed to support a proper exhaust seal. Confirm the round port shape and manifold orientation match the original part before tightening hardware.

Quality Assurance

This Dorman exhaust manifold is manufactured to match original fit and function for the listed applications. Part number 674-675 is built as a regular-grade replacement component for specified Chevrolet S10 and GMC Sonoma vehicles.