Dorman 674-554 Exhaust Manifold - Right

Dorman 674-554 Exhaust Manifold for Ford Right Side

Dorman 674-554 is a cast iron exhaust manifold built to match the fit and function of the original right-side manifold on select Ford trucks and vans. It includes the gaskets and downpipe hardware needed for a complete exhaust manifold repair on covered applications.

• Cast iron construction for durable exhaust service
• Natural finish with round port shape
• Right-side exhaust manifold for specified Ford applications
• Includes manifold gasket and mounting hardware
• Direct replacement format for OE-style fit and function
• Cross-reference: ATP 101280

Detailed Fitment and Application

Compatible with 1999-2008 Ford F-150, right; 2004 Ford F-150 Heritage, right; and select 1999-2003 Ford E-Series vans, right. This Dorman exhaust manifold 674-554 is engineered for the passenger-side exhaust path on these Ford applications, helping restore proper exhaust routing where the original manifold has cracked, warped, or leaked. It also cross-references OE number 5L3Z9430AA for the same application.

Common Repair Uses

• Exhaust leaks at the manifold flange
• Cracked or heat-damaged original manifold
• Broken or corroded mounting points
• Noise from escaping exhaust on the right side
• Failed sealing surface between the head and manifold

Installation Notes and Tips

Verify engine and chassis fitment before installation, since this part is listed for specific Ford F-150 and E-Series right-side applications. Inspect the cylinder head surface, fasteners, and downpipe connection for damage before assembly. Use the included gasket and hardware during installation, and follow factory torque specifications for the best sealing results.

Quality Assurance

Dorman designs this manifold as a direct-fit replacement for the original part on specified vehicles, with materials and dimensions selected to match OE fit and function. The cast iron construction supports long-term exhaust service in demanding underhood conditions.