Make sure this part fits

Chevrolet 19420798 Master Cylinder

2009-2014 Chevrolet

Customer Questions & Expert Answers (3)
19420798 GM Master Cylinder Illustration 1 of 1
  • Part Description
    Cylinder, Brake Master Cylinder
  • Replaced By
    19432757
  • Manufacturer
    General Motors
Make sure this part fits
$160.97 MSRP: $313.78
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  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Chevrolet
    Manufacturer Part Number19420798
    Part DescriptionMaster Cylinder; Cylinder, Brake Master Cylinder
    ConditionNew
    Fitment TypeDirect Replacement
    ManufacturerGeneral Motors
    SKU19420798
    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
    2009-2013 Chevrolet Avalanche8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L1/2 TON
    2009-2013 Chevrolet Silverado6 Cyl 4.3L, 8 Cyl 4.8L, 8 Cyl 4.8L Flex, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L, 8 Cyl 6.0L Flex, 8 Cyl 6.2L FlexCREW CAB 1/2 TON, EXTENDED CAB 5'8" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 8' BOX 1/2 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON
    2009-2014 Chevrolet Suburban8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L1/2 TON
    2009-2014 Chevrolet Tahoe8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex4 DOOR 1/2 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 19420798 fits your vehicle.
    Posted and answered by GM Parts Specialist Julian
    Q:
    What should be done before removing the Brake Master Cylinder for the 2013 Chevrolet Suburban? Posted by Musa M.
    A:
    Disconnect the cable from the negative battery terminal and unplug the electrical connector for the fluid level warning switch. Remove as much fluid as possible from the reservoir and prepare caps or plastic bags to cover the ends of the lines once they're disconnected. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Raul / Feb 13, 2024
    Q:
    How should the Brake Master Cylinder be removed from the power booster for the 2009 Chevrolet Tahoe? Posted by Kandy T.
    A:
    Remove the nuts attaching the master cylinder to the power booster and pull the master cylinder off the studs. You can Select Your Vehicle to see complete installation and repair tips.
    Answered by GM Parts Specialist Henry / Oct 26, 2025

Genuine GM Part 19420798, the Right Choice

To ensure reliability, purchase GM part # 19420798 Master Cylinder. It is sometimes referred to as Chevrolet Brake Master Cylinder. 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 Avalanche, Silverado, Tahoe models.

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