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Pontiac 17090143 EGR Valve Assembly

1990-1991 Pontiac Grand Prix

Customer Questions & Expert Answers (3)
17090143 GM EGR Valve Assembly Illustration 1 of 1
  • Part Description
    VALVE, Emission Control System
  • 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 Number17090143
    Part DescriptionVALVE, Emission Control System
    Other NamesEGR Valve
    Item Dimensions6.6 x 4.9 x 3.8 inches
    Item Weight2.00 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU17090143
    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
    1990-1991 Pontiac Grand Prix4 Cyl 2.3L2 DOOR, 4 DOOR, GT 2 DOOR, LE 2 DOOR, SE 2 DOOR, SE 4 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 17090143 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    What is the function of the Negative Backpressure EGR Valve for the 1991 Pontiac Grand Prix? Posted by Jordell H.
    A:
    The Negative Backpressure EGR valve operates using engine vacuum and exhaust backpressure to open and close. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Jeremy / Oct 26, 2025
    Q:
    How can one check the EGR Valve for the 1990 Oldsmobile Cutlass? Posted by Atheq A.
    A:
    To check the EGR valve, locate it on the intake manifold, ensure the diaphragm moves freely, and test engine response when manually depressing the diaphragm. Additionally, verify that vacuum reaches the EGR valve and check the thermal vacuum switch's functionality with a vacuum gauge. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Nicholas / Mar 13, 2025

Genuine GM Part 17090143, the Right Choice

To ensure reliability, purchase GM part # 17090143 EGR Valve Assembly. It is sometimes referred to as Pontiac EGR Filter, Pontiac EGR Valve. 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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