Dorman 674-285 Exhaust Manifold - Left

Dorman 674-285 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, it includes the gasket and downpipe hardware needed for a complete exhaust manifold repair on the left side.

Key Features

• Cast iron construction for durable exhaust service
• Natural finish
• Round port shape
• Includes gasket or seal
• Mounting hardware included
• Package contents: exhaust manifold, manifold gasket, studs, and nuts

Detailed Description

Dorman 674-285 is a regular-grade exhaust manifold designed for direct replacement on select Ford trucks and vans. It is compatible with 1983-1994 Ford F-250, left; 1983-1994 Ford F-350, left; 1983-1989 Ford E-250 Econoline Club Wagon, left; 1983-1989 Ford E-350 Econoline, left; 1983-1989 Ford E-350 Econoline Club Wagon, left; and 1984 Ford F-150, left. This part cross-references OE-style numbers such as 651275 and E3TZ9431B for the same application. The Dorman 674-285 helps restore proper exhaust routing and sealing where the original manifold has cracked, warped, or leaked.

Common Repair Uses

• Exhaust manifold leak at the cylinder head
• Cracked or heat-damaged original manifold
• Broken manifold studs or failed sealing surfaces
• Exhaust noise from the left-side manifold area
• Loss of exhaust sealing on Ford F-250, F-350, or E-Series applications

Installation Notes and Tips

Verify left-side fitment before installation and compare the port shape, mounting points, and included gasket against the removed part. Clean the cylinder head mating surface thoroughly, inspect the downpipe connection, and replace any damaged fasteners or sealing surfaces during service. For Ford F-250 and Ford F-350 exhaust manifold replacement, confirm the vehicle year and engine configuration against the listed application data before assembly.

Quality Assurance

This manifold is precision-engineered and durably manufactured to match original fit and function on the specified vehicles. Dorman designs replacement components to meet the needs of repair-focused automotive service, and this part is built as a direct-fit exhaust manifold solution for the listed Ford applications.