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GMC 25175249 3Way Catalytic Convertor

1998-1999 GMC Sonoma

Customer Questions & Expert Answers (3)
25175249 GM 3Way Catalytic Convertor Illustration 1 of 1
  • Part Description
    Converter,3Way Catalytic
  • Manufacturer
    General Motors
  • Manufacturer's Notes
    This part is discontinued.
Make sure this part fits
  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine GMC
    Manufacturer Part Number25175249
    Part DescriptionConverter,3Way Catalytic
    Other NamesCatalytic Converter
    Item Dimensions26.0 x 8.8 x 8.4 inches
    Item Weight15.90 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU25175249
    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
    1998-1999 GMC Sonoma6 Cyl 4.3LPICKUP
  • Customer Questions & Expert Answers

    Q:
    I would like to confirm if this is the correct part number for my vehicle. Please advise. Thank you.
    A:
    You can Select Your Vehicle to check if 25175249 fits your vehicle.
    Posted and answered by GM Parts Specialist Henry
    Q:
    What is the purpose of a Catalytic Converter for the 1999 Chevrolet S10? Posted by Teagan M.
    A:
    The purpose of a catalytic converter is to reduce pollutants from the exhaust gas stream. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Henry / Apr 12, 2026
    Q:
    What is the purpose of a Catalytic Converter for the 1998 GMC Sonoma? Posted by Verified Customer
    A:
    The purpose of a catalytic converter is to reduce pollutants from the exhaust gas stream. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Xavier / Feb 07, 2022

Genuine GM Part 25175249, the Right Choice

To ensure reliability, purchase GM part # 25175249 3Way Catalytic Convertor. It is sometimes referred to as GMC Catalytic Converter. 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 GMC Sonoma models.

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