ACDelco Gold Enhanced Performance Rear Disc Brake Rotor (Police)
Gold
Pack of 1

ACDelco Gold Enhanced Performance Rear Disc Brake Rotor (Police)

GM Part #19310737

ACDelco Part #18A2321PV

MSRP$196.23*

ACDelco Gold (Professional) Enhanced Performance Police Disc Brake Rotors are a high quality alternative to Original Equipment (OE) parts.

  • Damped iron metallurgy reduces noise and dissipates heat
  • Enhanced vane configuration increases air flow, providing a consistent low temperature throughout the rotor
  • Mill balanced to reduce vibration

Pack of 1

About this product

ACDelco Gold (Professional) Enhanced Performance Police Disc Brake Rotors are a high quality alternative to Original Equipment (OE) parts. They feature a thickness variation that helps to minimize pedal pulsation, noise, and help to extend brake pad life. These rotors meet the SAE standard for structural integrity with OE matched material, delivering guaranteed performance. ACDelco Gold (Fleet/Police) Disc Brake Rotors are ready to be installed right out of the box - no machining required. 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.

Warning WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

  • Damped iron metallurgy reduces noise and dissipates heat
  • Enhanced vane configuration increases air flow, providing a consistent low temperature throughout the rotor
  • Mill balanced to reduce vibration
  • 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

Solid Or Vented Type RotorSolid
Outside Diameter10.945 in / 278 mm
Center Hole Diameter2.783 in / 70.7 mm
Mounting Bolt Hole Diameter0.557 in / 14.15 mm
Discard Thickness0.35 in / 8.9 mm
Nominal Thickness0.43 in / 10.9 mm
ClassificationGold
ABS Sensor Ring IncludedNo
ConstructionFull Cast
Surface TypeSmooth
MaterialCast Iron
Mounting Bolt Hole Circle Diameter4.53 in / 115.05 mm
Overall Height1.996 in / 50.7 mm
Weight11.2lb

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:

  • Visible ridges on rotor surface.
  • Chirping, grinding, or squeaking noises when braking.
  • Difficulty stopping the vehicle.
  • A low or sinking brake pedal.
  • Braking causes the pedal and/or steering wheel to pulsate/vibrate (not to be confused with normal ABS operation.
  • Vehicle pulls to the left or right when brakes are applied.

ModelBody StyleTrimYear(s)
AllureSuper2008, 2009
LaCrosseSuper2008, 2009

Frequently Asked Questions

No, but it is a good idea to inspect them for wear-out, cracking, leaking etc.

No, but it is a good idea to inspect your brake rotors at each tire rotation.