Dorman 674-434 Exhaust Manifold - Right

Brand Dorman 674-434
Position Right
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 Oval
Fits Nissan and INFINITI · 7 vehicles

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

Cast iron construction. Durable material built for dependable exhaust service.

Complete repair kit. Includes gaskets, heat shield, and downpipe hardware.

Cross-references Febi-Bilstein 101174 and 140044W000 for the same application. See all 2.

$126.33Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $126.33
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Free returns within 60 days if it doesn't fit when fitment is verified.

OE-Style Exhaust Manifold for Pathfinder and QX4

This Dorman exhaust manifold is precision-engineered to match the fit and function of the original part on specified vehicles. Built from cast iron with a natural finish, it is made for the right-side exhaust repair on 2001-2004 Nissan Pathfinder and 2001-2003 INFINITI QX4 applications.

Part number 674-434 includes the gaskets and downpipe hardware needed for a complete exhaust manifold replacement. It is a direct-fit solution for drivers searching for a right exhaust manifold for 2001-2004 Nissan Pathfinder or 2001-2003 INFINITI QX4, part number 674-434.

Key Features

  • Cast iron construction for durability in exhaust service
  • Natural finish
  • Oval port shape
  • Heat shield included
  • Gaskets included for manifold, output, and flange sealing
  • Mounting hardware included
  • OE-style fit and function for the specified right-side applications

Detailed Description

Dorman 674-434 is an exhaust manifold designed for the right side of select Nissan and INFINITI SUVs. It is engineered to match the original manifold’s fit and function, helping restore proper exhaust routing and sealing on 2001-2004 Nissan Pathfinder and 2001-2003 INFINITI QX4 models. The cast iron construction supports long-term exhaust durability, while the included heat shield and sealing components help complete the repair with the correct service parts.

This part cross-references Febi-Bilstein 101174 for the same application.

What It Helps Repair

  • Exhaust leaks at the manifold or flange
  • Cracked or warped original manifold housing
  • Noise from a leaking right-side exhaust manifold
  • Failed sealing surfaces at the manifold-to-downpipe connection
  • Service issues caused by damaged manifold hardware

Installation Notes and Tips

Verify right-side fitment before installation on your Pathfinder or QX4. Inspect the cylinder head sealing surface, downpipe flange, and fasteners for wear or corrosion before assembly. Use the included gaskets and hardware during installation, and follow the vehicle service procedure for torque sequence and final tightening.

Quality Assurance

This Dorman exhaust manifold is manufactured to match original fit and function on the listed vehicles. It is built as a regular-grade replacement part for direct repair use.

This part fits 7 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2004NissanPathfinder3.5LV6Right
2003INFINITIQX4Right
2003NissanPathfinder3.5LV6Right
2002INFINITIQX4Right
2002NissanPathfinder3.5LV6Right
2001INFINITIQX4Right
2001NissanPathfinder3.5LV6Right
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Febi-Bilstein — 101174140044W000