Dorman 674-433 Exhaust Manifold - Left

OE-Style Exhaust Manifold for Pathfinder and QX4

This Dorman exhaust manifold is engineered to match the original fit and function on select Nissan Pathfinder and INFINITI QX4 applications. Built from cast iron with an oval port shape, it is made for the left side and includes the gaskets, heat shield, and downpipe hardware needed for a complete exhaust repair.

Part number 674-433 is a direct-fit replacement for 2001-2004 Nissan Pathfinder, left and 2001-2003 INFINITI QX4, left. It is designed for buyers looking for a replacement exhaust manifold for Nissan Pathfinder left side or INFINITI QX4 left exhaust manifold service.

Key Features

• Cast iron construction for exhaust manifold durability
• Natural finish with oval port shape
• Includes heat shield, gaskets, and mounting hardware
• Built to match original fit and function on specified vehicles
• Direct replacement for left-side exhaust manifold service

Detailed Product Overview

Dorman 674-433 is a replacement exhaust manifold for the left side of select Nissan Pathfinder and INFINITI QX4 models. The cast iron design supports the demands of exhaust heat and pressure, while the included manifold gasket, output gasket, flange gasket, studs, and nuts help complete the repair with the correct sealing and attachment components. This part cross-references Nissens 101173 for the same application.

Common Repair Applications

• Cracked or warped exhaust manifold on a 2001-2004 Nissan Pathfinder, left
• Exhaust leak at the manifold-to-cylinder head sealing surface
• Leakage at the manifold-to-downpipe connection
• Broken or corroded manifold studs and fasteners
• Heat shield damage or missing exhaust sealing components

Installation Notes and Tips

Verify engine-side and downpipe alignment before tightening fasteners. Clean all mating surfaces thoroughly, inspect the flange and studs for damage, and replace any worn hardware during installation. Confirm left-side placement and vehicle year before beginning the repair. Part number 674-433 is listed for 2001-2004 Nissan Pathfinder, left and 2001-2003 INFINITI QX4, left.

Quality Assurance

This Dorman exhaust manifold is precision-engineered and manufactured to match original equipment fit and function on the listed vehicles. It is supplied with the sealing components and hardware specified for the application to support a complete exhaust manifold replacement.