Dorman 674-589 Exhaust Manifold

Dorman 674-589 Exhaust Manifold for Frontier

This Dorman exhaust manifold is precision-engineered for a direct fit on select Nissan Frontier models. Built from cast iron with a natural finish, it matches the original manifold’s fit and function for a complete exhaust repair on 1998-2001 Nissan Frontier, wo/California Emissions.

Key Features

• Direct replacement exhaust manifold for select Nissan Frontier applications
• Cast iron construction for durable exhaust service
• Natural finish with square port shape
• Includes gasket and heat shield for the repair
• Mounting hardware included for installation
• Package contents: exhaust manifold, manifold gaskets, studs, and nuts

Detailed Description

Dorman 674-589 is built to restore the exhaust sealing surface and routing on 1998-2001 Nissan Frontier, wo/California Emissions models. The manifold is manufactured to match original fit and function, and the included gaskets and downpipe hardware support a complete repair. This part cross-references ATP 101309 for the same application.

For buyers searching for a Nissan Frontier exhaust manifold replacement, Dorman 674-589 provides the correct cast iron construction, square port design, and OE-style layout needed for a proper repair. It is also listed under interchange number 14004F4500.

What It Helps Fix

• Exhaust leaks at the manifold sealing surface
• Cracked or warped original manifold housing
• Broken or missing manifold mounting points
• Noise from escaping exhaust gases near the engine
• Failed sealing components at the manifold-to-cylinder-head connection

Installation Notes and Tips

Verify vehicle emissions configuration before ordering; this manifold is for 1998-2001 Nissan Frontier, wo/California Emissions. Inspect the cylinder head surface, fasteners, and downpipe connection before installation, and replace any damaged mating components to help ensure a proper seal. Confirm port shape and mounting layout against the original part before assembly.

Quality Assurance

This Dorman exhaust manifold is manufactured to match the fit and function of the original manifold on specified vehicles. The cast iron construction, included gasket set, heat shield, and mounting hardware support a complete exhaust manifold repair on compatible Nissan Frontier applications.