ACDelco Gold Rear Brake Rotor
Gold
Pack of 1

ACDelco Gold Rear Brake Rotor

GM Part #19539202

ACDelco Part #18A82457C

MSRP$114.08*

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

  • Proper rotor function supports the entire hydraulic braking system
  • Delivers quiet and reliable deceleration for everyday driving
  • Friction surfaces give brake pads a solid place to grip

Pack of 1

About this product

ACDelco Gold Disc Brake Rotors are a high quality alternative to Original Equipment (OE) parts. When your daily commute or heavy traffic driving is interrupted by annoying steering wheel vibrations or a pulsating brake pedal, it is often a sign that your braking surfaces have become warped or deeply scored. Replacing worn components with these coated disc brake rotors restores smooth, predictable stopping power by providing a clean, flat surface for the brake calipers and pads to firmly grip. These disc brake rotors mount to the wheel hub and give the brake pads a stable, true surface to clamp against, helping restore smooth, quiet deceleration and predictable stopping power in daily commuting or repeated heavy stops. Its baked-on coating helps prevent brake pulsation, helps prevent the rotor from seizing to the hub, and provides superior rust prevention against harsh elements, while the non-directional ground finish extends brake pad life and minimizes thickness variation for consistent braking. They feature a baked-on coating that helps prevent brake pulsation and rotor seizing to the hub. Built with multiple alloys to improve heat dissipation and performance and mill-balanced for proper rotor function, it's validated for proper metallurgy and plate thickness to support reliable braking under real-world thermal stress. ACDelco Gold 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.

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  • Proper rotor function supports the entire hydraulic braking system
  • Delivers quiet and reliable deceleration for everyday driving
  • Friction surfaces give brake pads a solid place to grip
  • Maintains consistent braking performance without steering wheel vibrations
  • Ensures smooth and predictable stopping power on the road
  • Dissipates heat generated during the vehicle deceleration process
  • Premium aftermarket replacement part
  • Quality, performance, and dependability of ACDelco Gold parts are validated through an extensive testing regimen
  • Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models

Outside Diameter13.58 in / 345 mm
Rust Resistant CoatingYes
ABS Sensor Ring IncludedNo
Solid Or Vented Type RotorVented
ConstructionFull Cast
Grade TypePremium
Nominal Thickness0.79 in / 20 mm
ClassificationGold
Inside Diameter9.45 in / 240 mm
Stud/Lug Hole Diameter0.63 in / 16 mm
Mounting Bolt Hole Circle Diameter5.5 in / 139.7 mm
Overall Height2.07 in / 52.7 mm
Center Hole Diameter3.1 in / 78.7 mm
Mounting Bolt Hole Diameter0.63 in / 16 mm
MaterialG3000
Mounting Bolt Hole Quantity6
Maximum Brake Diameter (Discard)0.71 in / 18 mm
Balancing TypeDynamic Balance
Brake Surface FinishFine Machining
Disc FinishGeomet Full Coating
Hat FinishGeomet Full Coating

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.

ModelBody StyleTrimYear(s)
Escalade2021, 2022, 2023, 2024, 2025, 2026
Escalade ESV2021, 2022, 2023, 2024, 2025, 2026