Dorman 674-786 Exhaust Manifold - Right

Dorman 674-786 Exhaust Manifold for Ford Super Duty

This Dorman exhaust manifold is engineered to match the fit and function of the original part on select Ford Super Duty trucks. Built from cast iron and supplied with the gaskets and downpipe hardware needed for the repair, it is a direct-fit solution for the right-side exhaust manifold on 2007-2010 Ford F-250 Super Duty and Ford F-350 Super Duty models.

• Cast iron construction for durable exhaust service
• Natural finish with irregular port shape
• Includes gasket/seal components for the repair
• Mounting hardware included
• Direct replacement for the right-side exhaust manifold
• Package contents: exhaust manifold, 2 manifold gaskets, 2 studs, 2 nuts

Detailed Product Overview

Part number 674-786 is a precision-engineered exhaust manifold designed to restore proper exhaust routing on the passenger-side of select Ford F-250 Super Duty and Ford F-350 Super Duty trucks. The cast iron body is built to match the original manifold’s fit and function, while the included gaskets and downpipe hardware support a complete repair. This part cross-references ATP 101563 for the same application.

Common Repair Symptoms

• Exhaust leak at the manifold flange
• Ticking or puffing noise from the right side of the engine
• Cracked or warped original manifold
• Damaged gasket sealing surface
• Broken or missing manifold studs

Installation Notes and Tips

Fits 2007-2010 Ford F-250 Super Duty, right. Fits 2007-2010 Ford F-350 Super Duty, right. Verify engine-side and downpipe alignment before tightening fasteners, and inspect the mating surfaces for carbon buildup or corrosion before installation. Part number 674-786 is intended for the right-side exhaust manifold position only.

Quality Assurance

Dorman manufactures this exhaust manifold to match original equipment fit and function on the specified vehicles. The design uses durable cast iron construction and includes the sealing components and mounting hardware called out for the repair.