Our aftermarket manifolds are some of the highest quality replacements on the market!

If your vehicle's exhaust is getting loud and the exhaust noise is coming from under the hood or engine then you may need to fix a cracked exhaust manifold. Replacing a broken manifold is easiest with a direct replacement manifold that will fit correctly and bolt up to you original engine and exhaust system. This manifold is a direct fitting replacement.

This Nissan Pathfinder pickup truck cast iron manifold has been designed to eliminate the faults of the original Nissan design.



  • LH (driver's side)
  • 3 bolt flange
  • Includes heat shield
  • Direct replacement for the 3.0L 6cyl VG30E & VG30i engines
  • Corrosion resistant
  • Replaces original manifolds that are cracked from thermal expansion and contraction
  • Strengthened and redesigned in the vulnerable areas of failure
  • Does not fit California Emissions Vehicles

This Nissan Pathfinder pickup truck cast iron exhaust manifold makes a great replacement and has good cost saving over a dealer exhaust manifold.

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser. Please keep your invoice for proof of this warranty.

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Vehicle Fit

  • 1986-1989 Nissan D21 Hardbody Pickup Exhaust Manifold V6 3.0L Driver Side Dorman 674-440
  • 1996-1997 Nissan D21 Hardbody Pickup (Canada Built Models (1st VIN Digit 2)) Exhaust Manifold V6 3.0L Driver Side Dorman 674-440
  • 1987-1989 Nissan Pathfinder Exhaust Manifold V6 3.0L Driver Side Dorman 674-440

This part replaces:

  • Hollander 327-58173
  • Dorman 674-440
Part #: 1AEEM00246
Brand #: 674-440