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GMC 19420255 Catalytic Converter

2010-2017 GMC Terrain

Customer Questions & Expert Answers (3)
19420255 GM Catalytic Converter Illustration 1 of 1
  • Part Description
    Converter Assembly, 3Way Catalytic
  • Replaces
    25800952
  • Manufacturer
    General Motors
Make sure this part fits
$359.46 MSRP: $559.73
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  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine GMC
    Manufacturer Part Number19420255
    Part DescriptionCatalytic Converter; Converter Assembly, 3Way Catalytic
    ConditionNew
    Replaces25800952
    ManufacturerGeneral Motors
    SKU19420255
    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
    2010-2017 GMC Terrain6 Cyl 3.0L, 6 Cyl 3.6LSLE2 SUV, SLT SUV
  • 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 19420255 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    What should you do after raising the 2017 GMC Terrain and checking the Catalytic Converter? Posted by Verified Customer
    A:
    Disconnect the electrical connector from the related oxygen sensor and remove the sensor. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Nicholas / Mar 27, 2026
    Q:
    What should you do after supporting the exhaust system and checking the Catalytic Converter for the 2012 Chevrolet Equinox? Posted by Bradly T.
    A:
    Remove the retaining nuts from the front and rear catalyst mounting flanges. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Jose / Aug 06, 2024

Genuine GM Part 19420255, the Right Choice

To ensure reliability, purchase GM part # 19420255 Catalytic Converter. It is sometimes referred to as GMC Catalytic Converter, GMC Exhaust Pipe. 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 Terrain models.

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