Dorman 674-237 Exhaust Manifold

Exhaust Manifold for Jeep Applications

This Dorman exhaust manifold is engineered to match the fit and function of the original part on specified Jeep vehicles. Built from cast iron with a natural finish, it is designed for a direct repair on classic Jeep Wrangler, CJ7, CJ5, Scrambler, Cherokee, Wagoneer, J10, and Grand Wagoneer applications.

Part number 674-237 includes the manifold gasket and downpipe hardware needed for a complete exhaust manifold repair. It is a practical replacement for worn, cracked, or leaking factory manifolds on 1981-1990 Jeep models.

Key Features

• Cast iron construction for durable exhaust service
• Natural finish
• Square port shape
• Mounting hardware included
• Gasket or seal included
• Direct-fit replacement for specified Jeep exhaust manifold applications
• Part number 674-237

Detailed Description

Dorman 674-237 is a replacement exhaust manifold precision-engineered to match the original manifold’s fit and function on selected Jeep vehicles. It is built for 1981-1987 Jeep J10, 1981-1986 Jeep CJ7, 1984-1986 Jeep Grand Wagoneer, 1981-1985 Jeep Scrambler, 1981-1983 Jeep Cherokee, 1981-1983 Jeep CJ5, 1981-1983 Jeep Wagoneer, and 1987-1990 Jeep Wrangler applications. The cast iron design supports long-term exhaust service, while the included gasket and downpipe hardware help complete the repair.

This part cross-references ATP 101004 for the same application. If you are replacing a leaking or damaged Jeep exhaust manifold, 674-237 provides a direct replacement option for the listed vehicles.

Common Repair Issues

• Exhaust leaks at the manifold flange or gasket surface
• Cracked or warped original manifold casting
• Broken or corroded manifold mounting points
• Noise from escaping exhaust gases near the engine
• Failed manifold-to-downpipe connection on Jeep exhaust systems

Installation Notes

Verify engine and vehicle fitment before installation. Inspect the cylinder head sealing surface, fasteners, and downpipe connection for wear or damage before assembly. Use the included gasket and hardware during installation, and follow the vehicle service manual for torque sequence and tightening specifications. Confirm clearance around adjacent exhaust components after installation.

Quality Assurance

Dorman manufactures this exhaust manifold to match original fit and function on the specified Jeep applications. Part number 674-237 is built as a regular-grade replacement for service use on classic Jeep exhaust systems.