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Pontiac 12397800 Exhaust Manifold Rh

1989-1991 Pontiac Grand Prix

Customer Questions & Expert Answers (3)
12397800 GM Exhaust Manifold Rh Illustration 1 of 1
  • Part Description
    Manifold, Exhaust Rh
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Pontiac
    Manufacturer Part Number12397800
    Part DescriptionManifold, Exhaust Rh
    Item Weight5.60 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU12397800
    WarrantyThis genuine GM part is guaranteed by GM's factory warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California's Proposition 65
  • Vehicle Fitment

    Year Make Model Engine Important vehicle option details
    1989-1991 Pontiac Grand Prix6 Cyl 3.1L, 6 Cyl 3.4L2 DOOR, 4 DOOR, GT 2 DOOR, LE 2 DOOR, SE 2 DOOR, STE 4 DOOR
  • Customer Questions & Expert Answers

    Q:
    I'm wondering if this is complete and correct part for my vehicle.
    A:
    You can Select Your Vehicle to check if 12397800 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    What should be removed from the Exhaust Manifold after lowering the 1989 Pontiac Grand Prix? Posted by Harl H.
    A:
    Proceed to remove the oil level indicator tube, then take off the exhaust manifold-to-cylinder head nuts or bolts. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Henry / Apr 25, 2025
    Q:
    What is the procedure for removing the Exhaust Manifold nuts for the 1989 Pontiac Grand Prix? Posted by Jenkins D.
    A:
    Remove the exhaust pipe-to-manifold nuts by applying penetrating oil to the rusted threads and loosening them gradually from side to side to avoid jamming. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Xavier / Aug 16, 2023

Genuine GM Part 12397800, the Right Choice

To ensure reliability, purchase GM part # 12397800 Exhaust Manifold Rh. It is sometimes referred to as Pontiac Exhaust Manifold. Directly from GM, genuine parts are superb with regards to quality, longevity, and fit. Every single part passed stringent quality testing, so you can be sure that it's safe, durable, and built to perform like your original parts. This part fits specific Pontiac Grand Prix models.

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