GM Genuine Parts Brake Master Cylinder Reservoir
OE
Pack of 1

GM Genuine Parts Brake Master Cylinder Reservoir

GM Part #84680953

ACDelco Part #84680953

MSRP$33.49*

GM Genuine Parts Brake Master Cylinder Reservoirs are designed, engineered, and tested to rigorous standards, and are backed by General Motors.

  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle

Pack of 1

About this product

GM Genuine Parts Brake Master Cylinder Reservoirs are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These reservoirs hold the supply of brake fluid for the master cylinder. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

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  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies

Grade TypePremium
Mounting Hardware IncludedYes
MaterialPlastic
ColorWhite
Width5.29 in / 134.6 mm
Length11.38 in / 289.08 mm
ClassificationOE
Height5.86 in / 149.08 mm
Seals IncludedYes
Reservoir TypeSingle

24 Months/Unlimited Miles Limited Warranty for Parts (plus Labor if installed by a GM dealer)

Please visit our warranty page on Gmparts.com for full warranty details.

The following should be conducted by a qualified technician:

  • Check brake fluid level at every oil change. Replace fluid according to owner's manual recommendations.
  • Calipers and wheel cylinders should be checked every brake inspection and serviced or replaced as required.
  • Inspect the brake lines for rust, punctures, or visible leaks (You may be able to do this, but consult a qualified technician if necessary).
  • Check the thickness of your brake pads.
  • Inspection of the brake hoses for brittleness or cracking.
  • Inspection of brake lining and pads for wear or contamination by brake fluid or grease.
  • Inspection of wheel bearings and grease seals.
  • Parking brake adjustments (as needed).

Brake cylinder signs of wear include:

  • Brake warning light is on.
  • Fluid spots beneath the car, indicating there may be a leak within the cylinder.
  • Difficulty stopping the vehicle.
  • A low or sinking brake pedal.

ModelBody StyleTrimYear(s)
XT5Luxury, Premium Luxury2020, 2021, 2022, 2023, 2024, 2025, 2026
XT6Luxury, Premium Luxury, Sport2021, 2022, 2023, 2024, 2025