Dorman 674-910 Exhaust Manifold

Dorman 674-910 Exhaust Manifold for Ram Trucks

Dorman 674-910 is a cast iron exhaust manifold engineered to match the fit and function of the original manifold on specified Dodge Ram applications. It includes the gaskets, flange, bolts, nuts, and heat shield needed for a complete exhaust manifold repair on compatible Ram 2500 and Ram 3500 trucks.

Key Features

• Cast iron construction for durable exhaust service
• Natural finish with a round port shape
• Includes gasket and seal components for the repair
• Heat shield included
• Mounting hardware included
• Package contents: exhaust manifold, 6 manifold gaskets and 1 flange, 4 bolts, 4 nuts

Detailed Description

This Dorman exhaust manifold is built as a direct replacement for specified Dodge Ram 2500 and Dodge Ram 3500 models. The cast iron design supports reliable exhaust routing, while the included gaskets, flange, and downpipe hardware help complete the repair without sourcing separate sealing components. Part number 674-910 is also cross-referenced to ATP 101462 and OE number 5135788AC for the same application.

Compatible With 2004 Dodge Ram 2500 from 1/04/04, 2004 Dodge Ram 3500 from 1/04/04, 2005-2008 Dodge Ram 3500, 2005-2010 Dodge Ram 2500, and 2009 Dodge Ram 3500, L6 359CID 5.9L. Use Dorman 674-910 when replacing a cracked, warped, or leaking exhaust manifold on these Ram truck applications.

Common Repair Issues

• Exhaust leak at the manifold or flange
• Broken or missing manifold mounting hardware
• Warped or cracked original manifold
• Damaged gasket sealing surfaces
• Noise from escaping exhaust gases near the engine

Installation Notes and Tips

Verify engine configuration and build date before ordering, especially for 2004 Ram 2500 and Ram 3500 trucks built from 1/04/04. Inspect the cylinder head and downpipe sealing surfaces before installation, and replace any damaged fasteners or hardware as needed. Confirm fitment against the vehicle application list for the exact Ram 2500 or Ram 3500 model year.

Quality Assurance

Dorman manufactures this manifold to match original fit and function on the listed vehicles. The part is built from cast iron and supplied with the sealing and mounting components needed for a complete exhaust manifold repair.