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Chevrolet 19420277 Catalytic Converter

2012-2019 Chevrolet Silverado

Customer Questions & Expert Answers (3)
19420277 GM Catalytic Converter Illustration 1 of 1
  • Part Description
    Converter Assembly, 3Way Catalytic
  • Replaces
    23268768, 25811714, 84053222, 84053221
  • Manufacturer
    General Motors
Make sure this part fits
$2263.31 MSRP: $3356.19
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Core Charge: $400.00
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  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Chevrolet
    Manufacturer Part Number19420277
    Part DescriptionCatalytic Converter; Converter Assembly, 3Way Catalytic
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces23268768, 25811714, 84053222, 84053221
    ManufacturerGeneral Motors
    SKU19420277
    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
    2012-2019 Chevrolet Silverado8 Cyl 6.0L, 8 Cyl 6.0L Flex2500 CREW CAB STANDARD BOX, 2500 REGULAR (CAB ONLY), 2500 REGULAR CAB, 3500 CREW CAB LONG BOX, 3500 CREW CAB ONLY, 3500 CREW CAB STANDARD BOX, 3500 DOUBLE CAB LONG BOX, 3500 REGULAR (CAB ONLY), 3500 REGULAR CAB, CREW CAB 1 TON, CREW CAB 2500 LONG BOX, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 3/4 TON, DOUBLE CAB 2500 LONG BOX, DOUBLE CAB 2500 STANDARD BOX, EXTENDED CAB 1 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 3/4 TON, REGULAR CAB 1 TON, REGULAR CAB 3/4 TON
  • 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 19420277 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    What does a reduction catalyst do for the Catalytic Converter in the 2012 Chevrolet Silverado? Posted by Gamaliel M.
    A:
    A reduction catalyst reduces oxides of nitrogen. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Raul / Apr 01, 2024
    Q:
    What is a Catalytic Converter for the 2013 GMC Sierra? Posted by Carolynne P.
    A:
    A catalytic converter is an emission control device that reduces certain pollutants in the exhaust gas stream. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Nicholas / Nov 12, 2025

Genuine GM Part 19420277, the Right Choice

To ensure reliability, purchase GM part # 19420277 Catalytic Converter. It is sometimes referred to as Chevrolet Catalytic Converter, Chevrolet 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 Chevrolet Silverado models.

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