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Buick 19420223 Catalytic Converter

2014-2018 Buick

Customer Questions & Expert Answers (2)
19420223 GM Catalytic Converter Illustration 1 of 1
  • Part Description
    Converter, Catalytic Converter
  • Replaces
    12645922, 12660225
  • Manufacturer
    General Motors
Make sure this part fits
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  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Buick
    Manufacturer Part Number19420223
    Part DescriptionCatalytic Converter; Converter, Catalytic Converter
    Item Dimensions25.2 x 8.3 x 7.4 inches
    Item Weight8.60 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces12645922, 12660225
    ManufacturerGeneral Motors
    SKU19420223
    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
    2016-2018 Buick Envision4 Cyl 2.0L4 DOOR PREMIUM, 4 DOOR PREMIUM 2
    2014-2017 Buick Regal4 Cyl 2.0LCX 4 DOOR SEDAN, CXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN
  • 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 19420223 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    What should be done with the oxygen sensor and the Catalytic Converter during the replacement process for the 2014 Chevrolet Malibu? Posted by Janeth R.
    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 Henry / Jul 20, 2025

Genuine GM Part 19420223, the Right Choice

To ensure reliability, purchase GM part # 19420223 Catalytic Converter. It is sometimes referred to as Buick 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 Buick Envision, Regal models.

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