Dorman 674-942 Exhaust Manifold - Right

OE-Style Exhaust Manifold Replacement

This Dorman exhaust manifold is engineered to match the fit and function of the original part on specified vehicles. Built from cast iron with a natural finish, it is a direct repair option for the right-side exhaust on select Ford Super Duty trucks and vans, including Ford F-250 Super Duty, Ford F-350 Super Duty, and Ford E-350 Super Duty applications.

Part number 674-942 includes the gaskets and downpipe hardware needed for a complete exhaust manifold repair. It is a practical choice when replacing a cracked, warped, or leaking manifold on the right side of the engine.

Key Features

• Cast iron construction for durable exhaust service
• Natural finish
• Round port shape
• Mounting hardware included
• Gasket or seal included
• Package contents: exhaust manifold, flange gasket, bolts, and nuts
• Right-side application for select Ford trucks and vans

Detailed Product Description

Dorman 674-942 is a replacement exhaust manifold made to match original fit and function on specified vehicles. The cast iron design supports long-term exhaust sealing, while the OE-style layout helps simplify replacement on the right side of the engine. This part cross-references ATP 101484 for the same application. It is also listed with OE interchange numbers 3C3Z9430AB and 1840770C1.

Compatible With 2003-2007 Ford F-250 Super Duty, right; 2003-2007 Ford F-350 Super Duty, right; 2003-2005 Ford Excursion, right; 2004-2005 Ford E-350 Club Wagon, right; and 2004-2010 Ford E-350 Super Duty, right. If you are searching for a Ford F-250 Super Duty right exhaust manifold or a Ford E-350 Super Duty exhaust manifold replacement, part number 674-942 is built for those applications.

Common Repair Uses

• Replacing a cracked exhaust manifold on the right side
• Restoring exhaust sealing after gasket failure
• Addressing exhaust leaks that can cause ticking noises
• Repairing warped manifold surfaces that affect fitment
• Replacing a corroded manifold during exhaust service

Installation Notes

Verify engine and chassis fitment before installation, especially on Ford F-250 Super Duty, Ford F-350 Super Duty, Ford Excursion, and Ford E-350 applications. Inspect the mating surfaces, fasteners, and downpipe connection points before assembly. Use the included gasket and hardware during installation, and follow the vehicle service procedure for torque sequence and exhaust alignment.

Quality Assurance

This Dorman manifold is manufactured to match original equipment fit and function on the listed vehicles. The cast iron construction and included sealing components support a complete repair on the right-side exhaust system.