ACDelco Gold Brake Master Cylinder
Gold
Pack of 1

ACDelco Gold Brake Master Cylinder

GM Part #19530620

ACDelco Part #18M391538

MSRP$184.60*

ACDelco Gold (Professional) Brake Master Cylinder s are a high quality alternative to Original Equipment (OE) parts.

  • Stores hydraulic braking fluid
  • Contributes to the hydraulic braking system
  • Some ACDelco Gold parts may have formerly appeared as ACDelco Professional

Pack of 1

About this product

ACDelco Gold (Professional) Brake Master Cylinder s are a high quality alternative to Original Equipment (OE) parts. These brake master cylinders are part of the hydraulic braking system that stores the brake fluid. When the brake pedal is applied, pressure is forced against a small moveable piston in the master cylinder. This pushes the hydraulic fluid through the lines and forces the brake pads against the disc brake rotor. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional.

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  • Stores hydraulic braking fluid
  • Contributes to the hydraulic braking system
  • Some ACDelco Gold parts may have formerly appeared as ACDelco Professional
  • Premium aftermarket replacement part
  • Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models

ClassificationGold
Reservoir IncludedNo
Master Cylinder Bore Diameter1.375in

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).

The following inspections and maintenance procedures can help prevent potential brake problems.

  • 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.

ModelBody StyleTrimYear(s)
W4500 Forward1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
W5500 Forward1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010