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PowerStop AR82189SCR Disc Brake Rotor - Rear
| Brand | PowerStop AR82189SCR |
|---|---|
| Position | Rear |
| Discard Thickness | 0.63 |
| Discard Thickness | 16.00 |
| Nominal Thickness | 0.71 |
| Nominal Thickness | 18.00 |
| Balancing Type | Mill balanced |
| Construction | Full cast |
| Rust Resistant Coating | Yes |
| Overall Height | 3.17 |
| Overall Height | 80.60 |
| Outside Diameter | 12.76 |
| Outside Diameter | 324.20 |
| ABS Tone Ring Included | No |
| Surface Type | Smooth |
| Solid Or Vented Type Rotor | Vented |
| Mounting Bolt Hole Circle Diameter | 120.00 |
| Stud/Lug Hole Quantity | 6 |
| Product line | PowerStop - Rear Coated Hat and Edge Rotor |
| Fits | Chevrolet and GMC · 12 vehicles |
OE-style replacement. Direct bolt-on brake rotor with original equipment dimensions and vane count.
Corrosion-resistant coating. Silver epoxy protects the hat, edge, and vanes from rust.
Vented full-cast design. Smooth braking surface with mill-balanced construction for consistent operation.
Cross-references 1771185, 23387173 and 94778644 for the same application. See all 3.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Rear coated brake rotor
The PowerStop AR82189SCR is a rear disc brake rotor built as a direct bolt-on replacement for original equipment. It uses a silver epoxy coating on corrosion-prone areas to help preserve appearance and resist rust behind alloy wheels.
- Part number AR82189SCR for easy identification and ordering.
- Vented, full-cast construction with a smooth surface.
- Mill balanced to match OE-style performance and specifications.
- Coated hat, outer edge, and vanes for corrosion resistance.
Fitment details
Compatible with 2015-2020 Chevrolet Colorado rear brake applications and 2015-2020 GMC Canyon rear brake applications. This rotor is engineered to match original equipment weight and vane count for proper fitment on the Chevrolet Colorado and GMC Canyon platform. The AR82189SCR is a practical choice when replacing a worn rear rotor on these trucks.
Common replacement reasons
- Brake pulsation or vibration from rotor wear.
- Visible rust on the hat, edge, or cooling vanes.
- Reduced braking smoothness from a worn rotor surface.
- Need for an OE-style rear rotor replacement.
Installation notes
Verify rotor diameter, bolt circle, and vented construction before installation. Confirm rear application and compare the existing rotor to the listed specifications, including 12.76-inch outside diameter and 6-lug pattern. Professional installation is recommended for proper brake service and system inspection.
Quality assurance
PowerStop designs this rotor to align with original equipment performance and specifications, including weight and vane count, for consistent fitment. Part number AR82189SCR is part of PowerStop's coated rotor line for corrosion resistance and OE-style replacement needs.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2020 | Chevrolet | Colorado | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2020 | GMC | Canyon | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2019 | Chevrolet | Colorado | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2019 | GMC | Canyon | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2018 | Chevrolet | Colorado | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2018 | GMC | Canyon | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2017 | Chevrolet | Colorado | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2017 | GMC | Canyon | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2016 | Chevrolet | Colorado | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2016 | GMC | Canyon | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2015 | Chevrolet | Colorado | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2015 | GMC | Canyon | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
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