Dorman 674-331 Exhaust Manifold - Right

OE-Style Exhaust Manifold Replacement

This Dorman exhaust manifold is precision-engineered to match the fit and function of the original part on specified vehicles. Built from stainless steel with an oval port shape, it is made for a direct repair on Nissan and INFINITI applications that need a reliable exhaust sealing surface.

Part number 674-331 includes the manifold gasket, flange gasket, downpipe hardware, and a heat shield for a more complete repair. It is a practical replacement for rear and right-side exhaust manifold service on vehicles such as the Nissan Maxima, Murano, Pathfinder, Altima, Quest, and INFINITI QX60.

Key Features

• Stainless steel construction for durable exhaust service
• Natural finish with oval port shape
• Includes gasket and seal components for the repair
• Heat shield included
• Mounting hardware included
• Direct-fit replacement for specified Nissan and INFINITI models

Detailed Product Overview

Dorman 674-331 is an exhaust manifold replacement designed to restore the original exhaust routing and sealing interface on supported vehicles. The manifold is engineered to match OE fit and function, helping maintain proper exhaust flow and a secure connection at the cylinder head and downpipe. This part cross-references 14002JA10A and 101554 for the same application.

Compatible With 2022-2024 Nissan Murano, rear; 2022-2023 Nissan Maxima, rear; 2015-2021 INFINITI QX60, right; 2009-2021 Nissan Maxima, right; 2015-2021 Nissan Murano, right; 2009-2012 Nissan Murano, right; 2013-2021 Nissan Pathfinder, right; 2007-2018 Nissan Altima, right; 2014 INFINITI QX60, right from 9/14; and 2011-2012 Nissan Quest, right.

What This Part Helps Address

• Exhaust leaks at the manifold-to-cylinder-head sealing surface
• Cracked or warped original manifold assemblies
• Broken or corroded downpipe connection hardware
• Noise from a leaking exhaust manifold area
• Loss of proper exhaust sealing on the right or rear bank

Installation Notes and Tips

Verify engine bank and position before installation, since this part is listed for rear and right-side applications depending on vehicle. Inspect the mating surfaces, replace damaged fasteners as needed, and confirm the gasket surfaces are clean and flat before assembly. Use the vehicle-specific fitment details for the exact year, make, model, and position match.

Quality Assurance

Dorman manufactures this manifold to match the original part’s fit and function on the listed vehicles. The stainless steel construction, included gaskets, included heat shield, and supplied mounting hardware support a complete exhaust manifold repair on the specified Nissan and INFINITI applications.