Dorman 674-431 Exhaust Manifold - Left
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Dorman

Dorman 674-431 Exhaust Manifold - Left

Brand Dorman 674-431
Position Left
Color Natural
Gasket Or Seal Included Yes
Grade Type Regular
Heat Shield Included Yes
Material Cast Iron
Mounting Hardware Included Yes
Package Contents Exhaust Manifold; 1 Manifold Gasket; 1 Output Gasket; 1 Flange Gasket; 6 Studs; 6 Nuts
Port Shape Round
Fits INFINITI and Nissan · 9 vehicles

OE-style replacement. Precision-engineered to match the original manifold's fit and function.

Cast iron construction. Durable material helps the manifold stand up to exhaust heat and stress.

Complete repair kit. Includes gaskets, heat shield, and mounting hardware for installation.

Cross-references ATP 101230 and 140041W600 for the same application. See all 2.

$127.43Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

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Step 2 — Quantity
Order total $127.43
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Exhaust Manifold options

Dorman 674-431 Exhaust Manifold for Pathfinder and QX4

Dorman 674-431 is a cast iron exhaust manifold engineered to match the original fit and function on specified vehicles. It is built for the left side and includes the gaskets, heat shield, and downpipe hardware needed for a complete exhaust manifold repair.

Key Features

  • Cast iron construction for durable exhaust service
  • Natural finish with round port shape
  • Direct-fit replacement for the left exhaust manifold position
  • Includes gasket and seal components for the repair
  • Heat shield included
  • Mounting hardware included
  • Fits 1996-2000 Nissan Pathfinder, left
  • Fits 1997-2000 INFINITI QX4, left

Detailed Description

This Dorman exhaust manifold is precision-engineered to replicate the original manifold’s fit and function on 1996-2000 Nissan Pathfinder and 1997-2000 INFINITI QX4 applications. Part number 674-431 is made from cast iron and uses a round port design to support a proper exhaust seal and reliable installation on the left side. The package includes the manifold, manifold gasket, output gasket, flange gasket, studs, nuts, and heat shield for a complete repair path.

This part cross-references ATP 101230 for the same application.

Common Repair Issues

  • Cracked or warped exhaust manifold
  • Exhaust leaks at the manifold or flange
  • Broken studs or damaged mounting points
  • Failed gasket seals causing noise or odor
  • Heat shield damage around the manifold area

Installation Notes and Tips

Verify left-side fitment before ordering and compare the original manifold, port shape, and mounting points to the replacement part. Clean the cylinder head and exhaust flange surfaces thoroughly before installation, and replace any damaged fasteners or corroded hardware during the repair. Part number 674-431 is intended for direct replacement on the listed Pathfinder and QX4 applications.

Quality Assurance

Dorman manufactures this manifold to match original equipment fit and function on the specified vehicles. The cast iron construction and included sealing components support a complete exhaust manifold service on compatible Nissan Pathfinder and INFINITI QX4 models.

This part fits 9 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2000INFINITIQX4Left—
2000NissanPathfinderLeft—
1999INFINITIQX4Left—
1999NissanPathfinderLeft—
1998INFINITIQX4Left—
1998NissanPathfinderLeft—
1997INFINITIQX4Left—
1997NissanPathfinderLeft—
1996NissanPathfinderLeft—
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
ATP — 101230140041W600