Dorman 674-587 Exhaust Manifold - Left

Dorman 674-587 Exhaust Manifold for Ford Left Side

Dorman 674-587 is a cast iron exhaust manifold built to match the fit and function of the original part on specified Ford trucks and SUVs. It includes the gaskets and downpipe hardware needed for a complete exhaust manifold repair on the left side.

Key Features

• Cast iron construction for durable exhaust service
• Natural finish with round port shape
• Includes gasket and mounting hardware for the repair
• Direct replacement for the left-side exhaust manifold
• Cross-references ATP 101308 and OE number XL3Z9431BA

Detailed Description

This Dorman exhaust manifold, part number 674-587, is engineered for specified Ford applications and built to restore the original manifold’s fit and function. It is designed for the left side on 1999-2009 Ford F-250, 1999-2003 Ford F-150, 2004 Ford F-150 Heritage, and 1999-2002 Ford Expedition. The cast iron body, round ports, and included gasket help support a proper exhaust seal during repair.

This part cross-references ATP 101308 and OE number XL3Z9431BA for the same application.

Common Repair Uses

• Cracked or warped exhaust manifold replacement
• Exhaust leaks at the manifold-to-cylinder-head sealing surface
• Broken or missing manifold mounting hardware
• Noise from leaking exhaust on the left side of the engine
• Failed manifold gasket causing soot or odor near the engine bay

Installation Notes and Tips

Verify left-side fitment by year, make, and model before installation. Inspect the cylinder head sealing surface, fasteners, and downpipe connection for damage or corrosion before assembly. Use the included gasket and hardware during installation, and follow the vehicle service procedure for torque sequence and heat-cycle checks.

Quality Assurance

Dorman manufactures this manifold as a direct-fit replacement for specified vehicles, with materials and dimensions selected to match original equipment requirements. The part is built for regular-duty exhaust service and packaged for a complete repair on the listed Ford applications.