2007-12 Nissan Altima Exhaust Manifold with Catalytic Converter & Gasket Kit - 1AEEM00739

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 exhaust manifold with catalytic converter has been designed to eliminate the faults of the original design.


  • New 1 piece design manifold with new catalytic converter (not reconditioned)
  • Replaces dealer part numbers: 140E2-JA02E, 140E2-ZX31E, 140E2JA02E, 140E2ZX31E
  • Direct replacement
  • Replaces original manifolds that are cracked from thermal expansion and contraction
  • Strengthened and redesigned in the vulnerable areas of failure
  • All hardware & gaskets needed for installation are included
    • Bracket Kit:
      • 2 Flexible Bushings
      • Stud/Nut
      • Bracket
    • Installation Hardware:
      • Crush Ring
      • Front Inlet Gasket
      • 3 Studs
      • 8 Nuts
  • Fits models with L4 2.5L Engine only
    • Does NOT fit Hybrid Models
  • Does NOT fit models with California Emission Standards

Now you can buy a high quality exhaust manifold with catalytic converter that is built to strict quality control standards for less than the price at the dealer. REPLACE your broken, warped, or cracked exhaust manifold now with this great fitting, alternative. This exhaust manifold with catalytic converter is a great replacement and has substantial cost savings over a dealer unit.

Emissions Note:

Due to state emissions regulations, we cannot ship this item to the state of California as it is not C.A.R.B ( California Air Research Board) approved for use in this state.

Due to New York state emissions regulations, this item cannot be installed on a California emissions equipped vehicle in the state of New York.

All emissions information for a vehicle can be found on a tag under the hood. If the tag is missing, you can contact a dealership with your VIN to determine which emissions system your vehicle is equipped with.

5 Year Warranty

This item is backed by a 5 Year Warranty. In the event this item should fail during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser. 

4.8 / 5.0
6 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Perfect Fit
Bought since my old one had a hole in it. Took it to my mechanic and it was put on with no issue. All gaskets included.
May 21, 2018
2 months ago
Exhaust manifold
Direct fit, came the next day. 1aauto rocks. I will forever buy all my parts from this site.
February 23, 2018
6 months ago
2010 Altima parts
Thank you for your website
Parts fit perfectly delivered on time
Price was right
You offered things others do not
Will be buying again
August 21, 2017
11 months ago
Manifold with converter
Awesome love it works perfect wished I ordered my transmission from you guys.Great company to order parts from will pass Good Words on about your company.
July 5, 2017
1 year ago
Great product! Exactly what I needed.
Very satisfied with my order! Was on time and the install was a breeze. Thank You for the headache removal!
April 23, 2017
1 year ago
ALtima Mani Cat
Part fit car good and came with all parts required. Only problem I had was the heat shields did not line up. Up hey, I got three of four bolts. That's good, right?
February 14, 2017
1 year ago
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Browse 1 question Browse 1 question and 3 answers
Does a O2 sensor come with the kit?
Theo M on Jul 10, 2017
BEST ANSWER: The kit I received had no O2 sensor , just used my old sensor worked great ,

Vehicle Fit

  • 2007-2012 Nissan Altima Exhaust Manifold with Catalytic Converter & Gasket Kit L4 2.5L (excluding Hybrid Models) (excluding California Emissions)

This part replaces:

  • OE # 140E2ZX31E
  • OE # 140E2JA02E
  • Hollander 327-50268, 327-50639
Part #: 1AEEM00739