ACDelco GM Original Equipment Rear Disc Brake Rotor
OE
Pack of 1

ACDelco GM Original Equipment Rear Disc Brake Rotor

GM Part #88964176

ACDelco Part #177-0920

MSRP$103.96*

ACDelco GM Original Equipment Disc Brake Rotors are metal discs mounted to the wheel hub where the caliper can press the brake pads against the disc surfaces to slow the vehicle, and are GM-recommended replacements for your vehicle's original components.

  • Inspected for balance, resulting in smooth brake operation and noise reduction
  • GM-recommended replacement part for your GM vehicle's original factory component
  • Offering the quality, reliability, and durability of GM OE

Pack of 1

About this product

ACDelco GM Original Equipment Disc Brake Rotors are metal discs mounted to the wheel hub where the caliper can press the brake pads against the disc surfaces to slow the vehicle, and are GM-recommended replacements for your vehicle's original components. These disc brake rotors have been 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
  • 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

Surface TypeSmooth
ABS Sensor Ring IncludedNo
Solid Or Vented Type RotorVented
ConstructionFull Cast
Rust Resistant CoatingYes
Outside Diameter11.8 in / 299.72 mm
Discard Thickness0.413 in / 10.49 mm
Nominal Thickness0.472 in / 11.99 mm
Center Hole Diameter70.7mm
ClassificationOE
MaterialCast Iron
Hat FinishCoated
Disc FinishGround
Mounting Bolt Hole Circle Diameter4.5mm
Overall Height1.4 in / 35.56 mm

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:

  • Vehicle pulls to the left or right when brakes are applied.
  • Visible ridges or deep grooves on the rotor surface.

ModelBody StyleTrimYear(s)
Uplander2005