Dorman 674-220 Exhaust Manifold

Dorman 674-220 Exhaust Manifold for Nissan D21

This Dorman exhaust manifold is engineered to match the fit and function of the original part on specified vehicles. Built from cast iron with a natural finish, it is designed for a direct repair on 1986-1989 Nissan D21 models and includes the gaskets, flange, studs, nuts, and heat shield needed for a complete exhaust manifold service.

Key Features

• Fits 1986-1989 Nissan D21
• Cast iron construction for durable exhaust service
• Square port shape for the specified application
• Includes gasket, seal, and heat shield components
• Mounting hardware included for the repair
• Direct replacement exhaust manifold, Part Number 674-220

Detailed Description

Designed for Nissan D21 exhaust manifold replacement, Dorman 674-220 follows the original fit and function for the listed model years. The cast iron body supports high-temperature exhaust operation, while the square port design and OE-style configuration help simplify installation on 1986, 1987, 1988, and 1989 Nissan D21 trucks. This part cross-references ATP 101115 for the same application.

Common Repair Uses

• Cracked or warped exhaust manifold replacement
• Exhaust leaks at the manifold-to-cylinder head sealing surface
• Broken or missing manifold studs and flange hardware
• Heat shield damage on the original manifold assembly
• Restoring proper exhaust routing on a Nissan D21, Part Number 674-220

Installation Notes and Tips

Verify the engine-side port shape and mounting layout before installation. Replace the manifold using the included gaskets and hardware, and inspect the mating surfaces for carbon buildup, corrosion, or warpage before tightening to specification. For a Nissan D21 exhaust manifold repair, confirm the vehicle is within the 1986-1989 model years listed for this part.

Quality Assurance

Dorman manufactures this exhaust manifold as a regular-grade replacement component built to match the original part’s fit and function on the specified Nissan D21 applications. Part Number 674-220 is intended for direct replacement service on the listed vehicles.