Make sure this part fits

Hummer 25848320 Piston, Rear Brake Caliper

2003-2009 Hummer H2

Customer Questions & Expert Answers (2)
25848320 GM Piston, Rear Brake Caliper Illustration 1 of 1
  • Part Description
    PISTON, Wheel Brake Cylinder or Caliper
  • Position
    Rear
  • Replaces
    18040104
  • Manufacturer
    General Motors
Make sure this part fits
$21.20 MSRP: $37.18
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Currently Unavailable

Due to manufacturer supply shortage, this item isn't currently available for ordering.

  • Related Parts
  • Specifications
  • Fitment
  • Q&A
  • Product Specifications

    BrandGenuine Hummer
    Manufacturer Part Number25848320
    Part DescriptionPISTON, Wheel Brake Cylinder or Caliper
    Other NamesCaliper Piston
    Item Dimensions4.0 x 4.2 x 4.1 inches
    Item Weight0.30 Pounds
    PositionRear
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces18040104
    ManufacturerGeneral Motors
    SKU25848320
    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
    2003-2009 Hummer H28 Cyl 6.0L, 8 Cyl 6.2L, 8 Cyl 6.2L FlexH2 HUMMER, PICKUP, SUV
  • 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 25848320 fits your vehicle.
    Posted and answered by GM Parts Specialist Henry
    Q:
    This piston include seal kit? Posted by Samsul B. / 2008 Light Truck Hummer H2
    A:
    part # 25848320 is just the piston, 84828462 is the kit with seals on both sides of the piston .
    Answered by GM Parts Specialist Fernando / Jan 18, 2025

Genuine GM Part 25848320, the Right Choice

To ensure reliability, purchase GM part # 25848320 Piston, Rear Brake Caliper. It is sometimes referred to as Hummer Brake Caliper Repair Kit, Hummer Brake Caliper Piston. 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 Hummer H2 models.

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