Dorman 674-267 Exhaust Manifold - Left

Reliable Cast Iron Exhaust Manifold for Chevrolet and GMC Trucks

The Dorman 674-267 exhaust manifold is engineered to provide a durable and efficient exhaust flow solution for select Chevrolet and GMC trucks. Designed with cast iron construction and including essential mounting hardware, this exhaust manifold supports reliable engine performance and longevity.

• Constructed from durable cast iron for long-lasting strength
• Natural color finish with square port shape for precise fitment
• Includes mounting hardware, gasket, and heat shield for complete installation
• Compatible with Chevrolet and GMC models including C1500, C2500, C2500 Suburban, C3500, K2500, K2500 Suburban, and K3500
• Regular grade type designed for standard exhaust system requirements

Product Details and Features

This Dorman exhaust manifold (part number 674-267) is crafted from cast iron, a material known for its heat resistance and durability under high-temperature conditions typical of exhaust systems. The natural finish and square port shape ensure a proper seal and alignment with the engine’s exhaust ports. The package includes the exhaust manifold itself, one manifold gasket, two flanges, three studs, and three springs, along with a heat shield to protect surrounding components from excessive heat. This comprehensive kit simplifies installation and helps maintain exhaust system integrity.

Compatible Vehicles and Applications

This exhaust manifold is specifically designed for use with Chevrolet and GMC trucks, including the C1500, C2500, C2500 Suburban, C3500, K2500, K2500 Suburban, and K3500 models. It is suitable for owners seeking a replacement manifold that meets OEM specifications and supports proper exhaust flow and emissions control.

• Replaces worn or cracked exhaust manifolds causing exhaust leaks
• Addresses exhaust manifold gasket failures leading to noise and emissions issues
• Helps resolve engine performance problems related to exhaust backpressure
• Prevents heat damage to nearby engine components with included heat shield
• Supports restoration of proper exhaust system function after collision or wear

Installation Notes and Tips

Installation of the Dorman 674-267 exhaust manifold should be performed with care to ensure proper sealing and alignment. Use the included gasket and mounting hardware to secure the manifold firmly to the engine block. It is recommended to inspect the exhaust ports and surrounding components for damage or corrosion before installation. Torque all bolts to manufacturer specifications to prevent leaks and ensure durability. 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 674-267 part is backed by Dorman’s quality assurance processes to provide reliable performance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in materials and workmanship. Consult product documentation for exact warranty terms.