ACDelco Gold Non-Coated Rear Disc Brake Rotor
Gold
Pack of 1

ACDelco Gold Non-Coated Rear Disc Brake Rotor

GM Part #18027894

ACDelco Part #18A294

MSRP$52.60*

ACDelco Gold (Professional) Non-Coated Disc Brake Rotors are a high quality alternative to Original Equipment (OE) parts.

  • 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

Pack of 1

About this product

ACDelco Gold (Professional) Non-Coated Disc Brake Rotors are a high quality alternative to Original Equipment (OE) parts. 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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  • 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

Surface TypeSmooth
ConstructionFull Cast
ABS Sensor Ring IncludedNo
MaterialCast Iron
Weight11lb
Rust Resistant CoatingNo
Nominal Thickness0.472 in / 12 mm
Pad Contact Surface Width1.9 in / 47.05 mm
ClassificationGold
Discard Thickness0.409 in / 10.4 mm
Mounting Bolt Hole Circle Diameter3.937 in / 100 mm
Mounting Bolt Hole Diameter3.937 in / 100 mm
Hat FinishTurned
Mounting Bolt Hole Quantity5
Solid Or Vented Type RotorSolid
Disc FinishGround
Overall Height2.03 in / 51.55 mm
Center Hole Diameter2.262 in / 57.45 mm
Outside Diameter10.635 in / 270.15 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).

Brake rotor signs of wear include:

  • Brake pedal pulsation (not to be confused with normal ABS operation).
  • Squealing or grinding noises.
  • Low brake pedal height.
  • Vehicle pulls to the left or right when brakes are applied.
  • Visible ridges or deep grooves on the rotor surface.

Frequently Asked Questions

Yes, ACDelco also offers GM OE brake rotor and Advantage brake rotors.