Dorman 674-783 Exhaust Manifold - Left

OE-Style Exhaust Manifold for Ford Left Side

This Dorman exhaust manifold is engineered to match the fit and function of the original part on specified Ford applications. Built from cast iron with a natural finish, Dorman 674-783 is a direct repair option for left-side exhaust service on Ford E-350 Super Duty, Excursion, F-250 Super Duty, and F-350 Super Duty models.

It includes the gaskets and downpipe hardware needed for a complete exhaust manifold repair, helping restore a proper seal and secure connection at the exhaust outlet. This part cross-references ATP 101407 for the same application.

Key Features

• Cast iron construction for durable exhaust service
• Natural finish with round port shape
• Includes gasket and seal components for the repair
• Mounting hardware included for installation
• Direct-fit replacement for the original manifold on specified vehicles
• Dorman 674-783 for left-side exhaust manifold replacement

Detailed Description

Dorman 674-783 is a replacement exhaust manifold designed for the left side of select Ford vans and Super Duty trucks. It is precision-engineered to match the original manifold’s fit and function, making it a practical choice for 2000-2011 Ford E-350 Super Duty left exhaust manifold replacement, 2000-2004 Ford F-250 Super Duty left exhaust manifold replacement, and 2000-2004 Ford F-350 Super Duty left exhaust manifold replacement. It also serves select Ford Excursion and E-350 Club Wagon applications. The cast iron body supports long-term exhaust service, while the included gaskets and downpipe hardware help complete the repair at the manifold-to-exhaust connection.

What It Helps Fix

• Exhaust leaks at the manifold flange or gasket surface
• Cracked or warped original manifold housing
• Broken or corroded manifold mounting points
• Noisy exhaust operation from a failing left-side manifold
• Improper sealing at the exhaust outlet connection

Installation Notes and Tips

Verify left-side application and vehicle year before installation. This manifold is listed for 2012 Ford E-350 Super Duty left, to 11/1/11, and for 2000-2011 Ford E-350 Super Duty left, plus select 2000-2005 Ford Excursion left, 2000-2004 Ford F-250 Super Duty left, 2000-2004 Ford F-350 Super Duty left, 2005 Ford E-350 Club Wagon left, 2003 Ford E-350 Club Wagon left, and 2000-2002 Ford E-350 Econoline Club Wagon left. Inspect the mating surfaces, replace worn fasteners as needed, and follow factory torque procedures during assembly.

Quality Assurance

Dorman manufactures this exhaust manifold to match original fit and function on the listed Ford applications. Part number 674-783 is built as a regular-grade replacement component for direct repair use.