Dorman 674-245 Exhaust Manifold - Right

Durable Cast Iron Exhaust Manifold for Chevrolet and GMC Vehicles

The Dorman 674-245 exhaust manifold is engineered to provide reliable exhaust flow for a range of Chevrolet and GMC trucks and SUVs. Designed with a natural cast iron finish and square port shape, this manifold ensures a precise fit and long-lasting performance for models including the C10, K10, and Suburban series.

• Constructed from durable cast iron for strength and heat resistance
• Natural color finish with square port shape for optimal exhaust flow
• Includes mounting hardware: 3 studs, 3 springs, 3 nuts for secure installation
• Comes with an exhaust manifold gasket and heat shield for complete replacement
• Compatible with Chevrolet and GMC models such as C10, C1500, K20, and Suburban variants

Product Details and Specifications

This exhaust manifold from Dorman, part number 674-245, is made from cast iron, a material known for its durability and ability to withstand high temperatures generated by engine exhaust gases. The square port design matches the cylinder head ports for efficient exhaust gas evacuation. The natural finish maintains the original equipment appearance. Included in the package are essential mounting components such as studs, springs, and nuts, along with a gasket and heat shield to ensure a proper seal and protect surrounding components from heat.

Compatible Chevrolet and GMC Models

This exhaust manifold is compatible with a variety of Chevrolet and GMC trucks and SUVs, including but not limited to:

• Chevrolet C10, C20, C30, and Suburban models
• Chevrolet C1500, C2500, C3500 series
• GMC K5 Blazer, K10, K20, K30, K1500, K2500, K3500
• Chevrolet Caprice, Impala, and Jimmy

Common Applications and Problem Resolution

This Dorman exhaust manifold is designed to address several common exhaust system issues:

• Replacement for cracked or warped exhaust manifolds causing exhaust leaks
• Restores proper exhaust flow to improve engine efficiency
• Eliminates exhaust manifold gasket leaks with included gasket
• Prevents heat damage to engine bay components with included heat shield
• Ensures secure mounting with included hardware to reduce vibration and noise

Installation Notes and Tips

When installing the Dorman 674-245 exhaust manifold, ensure all old gasket material is thoroughly cleaned from the cylinder head surface. Use the included gasket and mounting hardware for a secure fit. Torque the nuts and studs to manufacturer specifications to prevent leaks. The included heat shield should be installed to protect nearby components from excessive heat. Professional installation is recommended for best results.

Quality Assurance and Warranty

Dorman exhaust manifolds are manufactured to meet or exceed OEM standards for fit and function. The 674-245 part is backed by Dorman's quality assurance processes to ensure durability and performance. Please refer to Dorman's warranty policy for specific coverage details.