Dorman 674-193 Exhaust Manifold - Left

OE-Style Left Exhaust Manifold

This Dorman exhaust manifold is precision-engineered to match the fit and function of the original part on specified Ford and Mercury applications. Built from cast iron with an oval port shape, it is made for left-side exhaust service on a wide range of classic trucks, vans, and cars.

Part number 674-193 includes the manifold, mounting hardware, and downpipe hardware for a complete repair on the listed vehicles. It is a direct-fit replacement for owners searching for a Ford F-150 exhaust manifold, Ford Bronco left exhaust manifold, or Mercury Cougar exhaust manifold replacement.

Key Features

• Cast iron construction for durable exhaust service
• Natural finish
• Oval port shape
• Left-side application
• Mounting hardware included
• Includes exhaust manifold, 4 studs, and 2 nuts
• Cross-references OE-style part numbers 101049 and D5AZ9431A

Detailed Description

Dorman 674-193 is an exhaust manifold replacement for select 1975-1982 Ford and Mercury vehicles, including Ford F-100, F-150, F-250, F-350, Bronco, Thunderbird, LTD, E-Series vans, and Mercury Cougar, Grand Marquis, Marquis, and Montego applications. It is engineered to restore the original manifold’s fit and function while using durable cast iron construction for dependable exhaust routing on the left side of the engine.

This part number 674-193 is a practical choice for drivers and restorers needing a Ford F-250 exhaust manifold, Ford E-350 Econoline left manifold, or Mercury Grand Marquis exhaust manifold replacement with OE-style dimensions and hardware support.

Common Problems It Can Help Solve

• Cracked or warped exhaust manifold housing
• Exhaust leaks at the manifold-to-cylinder-head sealing surface
• Broken or missing manifold mounting studs and nuts
• Noisy exhaust ticking from the left side of the engine
• Restricted exhaust flow caused by a damaged manifold

Installation Notes and Tips

Verify engine configuration and valve cover style before ordering, since some listed applications require the 8-bolt valve cover note shown in fitment. Confirm left-side placement and compare the original manifold, port shape, and mounting points before installation. Inspect the mating surfaces, replace worn fasteners as needed, and follow the vehicle service manual for torque sequence and tightening specifications.

Quality Assurance

This Dorman manifold is manufactured to match original fit and function on the specified vehicles. The cast iron design and included mounting hardware support a complete exhaust repair using OE-style replacement standards.