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GMC 25177514 Catalytic Convertor, 3Way

1998-2000 GMC Sonoma

Customer Questions & Expert Answers (3)
25177514 GM Catalytic Convertor, 3Way Illustration 1 of 1
  • Part Description
    Catalytic Converter, 3Way ; Converter, Catalytic Converter
  • 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 Number25177514
    Part DescriptionCatalytic Converter, 3Way ; Converter, Catalytic Converter
    Other NamesConverter
    Item Dimensions33.6 x 8.4 x 4.7 inches
    Item Weight14.30 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU25177514
    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
    1998-2000 GMC Sonoma4 Cyl 2.2LPICKUP
  • 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 25177514 fits your vehicle.
    Posted and answered by GM Parts Specialist Henry
    Q:
    What is the function of the three-way Catalytic Converter for the 1999 Chevrolet S10? Posted by Oleg E.
    A:
    The three-way catalyst lowers the levels of oxides of nitrogen (NOx), hydrocarbons (HG), and carbon monoxide (CO) emissions. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Jose / Sep 19, 2024
    Q:
    What is the purpose of a Catalytic Converter for the 1998 GMC Sonoma? Posted by Jaeyeon K.
    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 Fernando / Aug 29, 2025

Genuine GM Part 25177514, the Right Choice

To ensure reliability, purchase GM part # 25177514 Catalytic Convertor, 3Way. 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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