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ACDelco Gold Performance Rear Disc Brake Rotor
Gold

ACDelco Gold Performance Rear Disc Brake Rotor

GM Part #19389821

ACDelco Part #18A82060SD

MSRP$183.30*

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

  • Match OE vane configuration for reduced brake wear and optimal cooling
  • Damped iron metallurgy reduces noise and dissipates heat
  • Non-directional rotation eliminates the need for unique left and right designations

About this product

ACDelco Gold (Professional) Performance (Severe Duty) Disc Brake Rotors are a high quality alternative to Original Equipment (OE) parts. These brake rotors provide reliable vehicle braking power. They feature a thickness variation that helps to minimize pedal pulsation, noise, and help to extend brake pad life. These brake rotors meet the SAE standard for structural integrity with OE matched material, delivering guaranteed performance. Black and gray fusion coating provides corrosion protection. These rotors are uniquely designed for off road vehicles, SUVs, trucks, and fleet trucks. ACDelco Gold (Professional) Performance (Severe Duty) 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.

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  • Match OE vane configuration for reduced brake wear and optimal cooling
  • Damped iron metallurgy reduces noise and dissipates heat
  • Non-directional rotation eliminates the need for unique left and right designations
  • 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

Nominal Thickness0.906 in / 23 mm
ABS Sensor Ring IncludedNo
Discard Thickness0.787 in / 20 mm
Outside Diameter12.402 in / 315 mm
Inside Diameter8.15 in / 207 mm
ClassificationGold
Solid Or Vented Type RotorVented
Grade TypePerformance
Mounting Bolt Hole Circle Diameter4.724 in / 120 mm
Overall Height1.89 in / 48 mm
Center Hole Diameter2.657 in / 67.5 mm
Mounting Bolt Hole Diameter0.63 in / 16 mm
Mounting Bolt Hole Quantity6

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)
Enclave2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025

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.