Dorman 674-198 Exhaust Manifold - Right

Durable Cast Iron Exhaust Manifold for Chevrolet G-Series Vans

The Dorman 674-198 exhaust manifold is designed specifically for Chevrolet G10, G20, and G30 models. Crafted from cast iron with a natural finish, this exhaust manifold offers reliable performance and durability for your vehicle's exhaust system.

• Constructed from durable cast iron material
• Natural color finish for corrosion resistance
• Square port shape for precise fitment
• Includes mounting hardware for easy installation
• Comes with exhaust manifold gasket and flange gasket
• Heat shield included to protect surrounding components
• Compatible with Chevrolet G10, G20, and G30 vans

Product Details and Specifications

The Dorman 674-198 exhaust manifold is engineered to meet the specifications of Chevrolet G-Series vans, including G10, G20, and G30 models. Made from cast iron, this manifold withstands high temperatures and resists cracking or warping over time. The square port shape ensures a secure and accurate connection to the cylinder head, optimizing exhaust flow. This part comes with all necessary mounting hardware, including three studs, and both an exhaust manifold gasket and flange gasket to ensure a proper seal. Additionally, the included heat shield helps protect nearby engine components from excessive heat exposure.

Common Applications and Problem Solving

• Replacement for cracked or warped exhaust manifolds
• Eliminates exhaust leaks causing noise or reduced engine efficiency
• Restores proper exhaust flow for improved engine performance
• Prevents heat damage to surrounding engine parts with included heat shield
• Addresses gasket failures that lead to exhaust fumes entering the cabin

Installation Notes and Tips

Installation of the Dorman 674-198 exhaust manifold is straightforward with the included mounting hardware and gaskets. It is recommended to clean the cylinder head surface thoroughly before installation to ensure a proper seal. Torque all bolts to manufacturer specifications to avoid leaks or damage. The heat shield should be positioned correctly to protect adjacent components from heat exposure. Professional installation is advised if unfamiliar with exhaust system repairs.

Quality Assurance and Warranty

Dorman exhaust manifolds are manufactured to meet or exceed OEM standards for fit, form, and function. The 674-198 part number undergoes rigorous quality control to ensure durability and reliable performance in Chevrolet G10, G20, and G30 vans. This product includes a limited warranty covering defects in materials and workmanship, providing confidence in your replacement exhaust manifold.