Dorman 674-781 Exhaust Manifold - Left

Dorman 674-781 Exhaust Manifold for Ford Left Side

Dorman 674-781 is a cast stainless steel exhaust manifold built to match the original fit and function on specified Ford applications. It includes the gaskets and downpipe hardware needed for a complete exhaust manifold repair on the left side.

Key Features

• Cast stainless steel construction for durable exhaust service
• Natural finish with round port shape
• Direct replacement design for the left-side manifold
• Includes gasket or seal components for the repair
• Mounting hardware included for installation
• Cross-references Ford OE numbers 101405 and XC2Z9431CA

Detailed Description

This Dorman exhaust manifold, part number 674-781, is engineered for Ford E-350 Super Duty, Ford E-350 Econoline Club Wagon, Ford E-350 Econoline, Ford F-250 Super Duty, and Ford F-350 Super Duty left-side applications listed in the fitment data. It is built to restore proper exhaust routing and sealing where the original manifold has cracked, warped, or leaked. The cast stainless steel design supports long-term durability, while the included gaskets and downpipe hardware help complete the repair with OE-style fit and function.

Fits 2013-2019 Ford E-350 Super Duty, left. Fits 2012 Ford E-350 Super Duty, left, from 11/1/11. Fits 1999 Ford E-350 Super Duty, left. Fits 1997-1999 Ford E-350 Econoline Club Wagon, left. Fits 1999 Ford F-250 Super Duty, left. Fits 1999 Ford F-350 Super Duty, left. Fits 1997-1998 Ford E-350 Econoline, left.

Common Repair Uses

• Exhaust manifold cracks that create ticking or exhaust noise
• Exhaust leaks at the manifold-to-cylinder-head sealing surface
• Broken or damaged manifold mounting points
• Warped manifold surfaces that affect sealing
• Failed left-side manifold on Ford E-350 Super Duty and related models

Installation Notes and Tips

Verify left-side application, engine configuration, and the 2012 E-350 Super Duty build date note before ordering. Inspect the cylinder head surface, fasteners, and downpipe connection during installation to help ensure a proper seal. Replace any damaged mating components before final assembly.

Quality Assurance

Dorman designs this manifold to match the fit and function of the original part on specified vehicles. Part number 674-781 is built as a direct replacement for the listed Ford applications and includes the sealing components needed for the repair.