OE Quality
60-Day Returns

PowerStop AR82143EVC Disc Brake Rotor - Rear
Power Stop Rear Genuine Geomet Coated Rotor Overview
The Power Stop - Rear Genuine Geomet Coated Rotor (Part Number AR82143EVC) is engineered for reliable braking performance on select Cadillac and Saab models. Designed specifically for the rear disc brake system, this rotor offers corrosion resistance and precise fitment for the Cadillac SRX and Saab 9-4X.
- Compatible with Cadillac SRX and Saab 9-4X rear brake systems
- Vented disc brake rotor design for improved heat dissipation
- Geomet rust-resistant coating to prevent corrosion and extend rotor life
- Nominal thickness of 23.00 mm with a discard thickness of 21.50 mm
- Overall height of 48.00 mm and outside diameter of 315.50 mm
- Mounting bolt hole circle diameter of 120.00 mm with 6 lug holes
Product Line Details: Power Stop - Rear Genuine Geomet Coated Rotor
This rotor is part of the Power Stop - Rear Genuine Geomet Coated Rotor line, which focuses on providing rotors with a durable Geomet coating. This coating offers enhanced rust resistance compared to standard rotors, making it suitable for vehicles exposed to moisture and road salt. The line emphasizes maintaining original equipment specifications, ensuring proper fit and function for rear disc brake applications on compatible vehicles.
Technical Specifications and Features
The AR82143EVC rotor features a vented design that helps dissipate heat generated during braking, reducing the risk of brake fade. With a nominal thickness of 23.00 mm and a discard thickness of 21.50 mm, it meets the necessary safety standards for rotor wear. The rotor’s overall height measures 48.00 mm, and it has an outside diameter of 315.50 mm, matching the OEM dimensions for the Cadillac SRX and Saab 9-4X. The mounting bolt hole circle diameter is 120.00 mm, accommodating six lug holes with a diameter of 4.70 mm each, ensuring secure installation.
Applications and Problem Solving
- Replacement for worn or warped rear rotors on Cadillac SRX and Saab 9-4X
- Addresses brake noise and vibration caused by uneven rotor surfaces
- Prevents rust and corrosion-related rotor damage in humid or salty environments
- Improves braking consistency by maintaining proper rotor thickness
- Restores braking performance affected by rotor overheating or warping
Installation Notes and Tips
When installing the Power Stop AR82143EVC rotor, ensure the rotor surface is clean and free of debris before mounting. Verify that the rotor thickness is above the discard thickness of 21.50 mm to maintain safety standards. Use proper torque specifications for the 6 lug bolts to avoid rotor distortion. It is recommended to inspect brake pads and hardware during installation to ensure optimal braking system performance.
Quality Assurance and Warranty
Power Stop rotors are manufactured to meet or exceed OEM specifications, providing consistent quality and durability. The Geomet coating enhances corrosion resistance, contributing to longer rotor life. While specific warranty details are not provided here, Power Stop products typically come with a limited warranty against manufacturing defects. Consult product documentation or manufacturer resources for exact warranty terms.
| Brand | PowerStop |
|---|---|
| Part Number | AR82143EVC |
| Position | Power Stop - Rear Genuine Geomet Coated Rotor, Rear |
| Discard Thickness | 21.50 |
| Mounting Bolt Hole Circle Diameter | 4.70 |
| Mounting Bolt Hole Circle Diameter | 120.00 |
| Nominal Thickness | 0.91 |
| Nominal Thickness | 23.00 |
| Outside Diameter | 12.40 |
| Outside Diameter | 315.50 |
| Overall Height | 1.90 |
| Overall Height | 48.00 |
| Rust Resistant Coating | Yes |
| Solid Or Vented Type Rotor | Vented |
| Stud/Lug Hole Quantity | 6 |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2016 | Cadillac | SRX | Rear | Power Stop - Rear Genuine Geomet Coated Rotor |
| 2015 | Cadillac | SRX | Rear | Power Stop - Rear Genuine Geomet Coated Rotor |
| 2014 | Cadillac | SRX | Rear | Power Stop - Rear Genuine Geomet Coated Rotor |
| 2013 | Cadillac | SRX | Rear | Power Stop - Rear Genuine Geomet Coated Rotor |
| 2012 | Cadillac | SRX | Rear | Power Stop - Rear Genuine Geomet Coated Rotor |
| 2011 | Cadillac | SRX | Rear | Power Stop - Rear Genuine Geomet Coated Rotor |
| 2011 | Saab | 9-4X | Rear | Power Stop - Rear Genuine Geomet Coated Rotor |
| 2010 | Cadillac | SRX | Rear | Power Stop - Rear Genuine Geomet Coated Rotor |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.