Dorman 674-161 Exhaust Manifold - Right

Durable Cast Iron Exhaust Manifold for Chevrolet and GMC Trucks

The Dorman 674-161 exhaust manifold is engineered to provide reliable exhaust flow for a range of Chevrolet and GMC truck models. Constructed from cast iron with a natural finish, this exhaust manifold is designed to withstand high temperatures and deliver consistent performance.

• Material: Heavy-duty cast iron for durability and heat resistance
• Color: Natural cast iron finish
• Port Shape: Square ports for optimal exhaust flow
• Includes mounting hardware, gasket, and heat shield for complete installation
• Grade Type: Regular quality standard
• Package Contents: Exhaust manifold, one manifold gasket and flange, six studs, and three nuts

Product Details and Compatibility

This exhaust manifold is compatible with a wide range of Chevrolet and GMC trucks, including models such as the C20, C20 Suburban, C30, C2500, C2500 Suburban, C3500, G30, K20 Suburban, K30, K3500, P30, P3500, R20, R20 Suburban, R30, R2500, R2500 Suburban, R3500, V20 Suburban, V30, V2500 Suburban, and V3500. The square port design ensures a proper seal and efficient exhaust gas flow, which is critical for engine performance and emissions control. The included heat shield helps protect surrounding components from excessive heat.

Common Applications and Problem Resolution

• Replacement for cracked or warped exhaust manifolds causing exhaust leaks
• Restores proper exhaust flow to improve engine efficiency
• Eliminates exhaust manifold gasket leaks that can cause noise and fumes
• Prevents heat damage to nearby engine components with included heat shield
• Addresses mounting hardware failures by providing all necessary studs and nuts

Installation Notes and Tips

Installation of the Dorman 674-161 exhaust manifold includes all necessary mounting hardware and gasket to simplify the process. It is recommended to clean the mounting surface thoroughly before installation to ensure a proper seal. Torque all bolts to manufacturer specifications to avoid leaks or damage. The included heat shield should be installed to protect adjacent parts from heat exposure.

Quality Assurance and Warranty

Dorman exhaust manifolds are manufactured to meet or exceed OEM standards for fit, form, and function. The 674-161 part number undergoes rigorous quality checks to ensure durability and performance. This product includes a limited warranty against defects in materials and workmanship, providing confidence in its long-term reliability for Chevrolet and GMC truck owners.