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GM Genuine Parts Rear Brake Drum
OE
Pack of 1

GM Genuine Parts Rear Brake Drum

GM Part #15230627

ACDelco Part #177-0943

MSRP$209.30*

ACDelco GM Original Equipment Brake Drums are cylinder shaped bowls where the wheel cylinder presses the brake shoes outward against the inside of the drum.

  • Inspected for balance, resulting in smooth brake operation and noise reduction
  • Have a rust-preventative coating to help protect against corrosion
  • GM-recommended replacement part for your GM vehicle's original factory component

Pack of 1

About this product

ACDelco GM Original Equipment Brake Drums are cylinder shaped bowls where the wheel cylinder presses the brake shoes outward against the inside of the drum. Drums are typically found on older vehicles and on the rear axles of trucks and some cars. These original equipment brake drums are manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

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  • Inspected for balance, resulting in smooth brake operation and noise reduction
  • Have a rust-preventative coating to help protect against corrosion
  • GM-recommended replacement part for your GM vehicle's original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function

MaterialCast Iron
Bolt Hole Quantity6
Weight20lb
Maximum Brake Diameter (Discard)11.673 in / 296.5 mm
Inside Diameter11.61654 in / 295.06 mm
Outside Diameter12.19685 in / 309.8 mm
ClassificationOE

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).

Troubleshooting Tips:

  • Squealing or scraping noises.
  • Brake pedal pulsation (not to be confused with normal ABS operation).

ModelBody StyleTrimYear(s)
Colorado2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012