OE Quality
60-Day Returns

PowerStop AR8389EVC Disc Brake Rotor - Rear
Power Stop Rear Genuine Geomet Coated Rotor Overview
The Power Stop - Rear Genuine Geomet Coated Rotor AR8389EVC is engineered for reliable braking performance on Jeep Wrangler models. Designed as a solid disc brake rotor, it features a rust-resistant Geomet coating to extend rotor life and maintain consistent stopping power.
- Compatible with Jeep Wrangler rear brake systems
- Solid disc rotor design for durability
- Geomet rust-resistant coating to prevent corrosion
- Nominal thickness of 0.48 inches (12.10 mm) with discard thickness at 0.409 inches (10.40 mm)
- Overall height of 3.00 inches (76.50 mm)
- Outside diameter of 12.90 inches (328.00 mm)
- Mounting bolt hole circle diameter of 5.00 inches (127.00 mm) with 5 lug holes
Detailed Product Specifications
This Power Stop rear rotor (part number AR8389EVC) is a solid type rotor designed specifically for the Jeep Wrangler's rear braking system. The rotor measures 12.90 inches in outside diameter and has an overall height of 3.00 inches, ensuring proper fitment and clearance. The nominal thickness is 0.48 inches, with a discard thickness of 0.409 inches, indicating when the rotor should be replaced to maintain safe braking performance. The rotor features a 5-lug hole pattern with a 5.00-inch bolt circle diameter, matching the Jeep Wrangler's rear hub specifications.
About the Power Stop - Rear Genuine Geomet Coated Rotor Line
The Power Stop - Rear Genuine Geomet Coated Rotor product line focuses on providing rotors with a factory-style Geomet coating. This coating offers enhanced corrosion resistance compared to standard rotors, helping to reduce rust buildup and extend the rotor's service life. These rotors maintain the original equipment specifications for thickness, diameter, and mounting, ensuring a direct replacement for Jeep Wrangler rear brake systems.
Common Applications and Problem Solving
- Replacement for worn or warped rear rotors on Jeep Wrangler vehicles
- Addressing rotor corrosion and rust buildup in humid or salty environments
- Improving braking consistency by restoring proper rotor thickness and surface condition
- Eliminating brake noise caused by uneven or damaged rotors
- Ensuring safe stopping distances with rotors that meet OEM specifications
Installation Notes and Tips
When installing the Power Stop AR8389EVC rotor, ensure the rotor surface is clean and free of any protective coatings or oils before mounting. Verify the rotor thickness is above the discard thickness of 0.409 inches to maintain safety standards. Use proper torque specifications for the 5-lug mounting bolts on the Jeep Wrangler rear hub. It is recommended to inspect brake pads and hardware during rotor replacement to ensure optimal braking performance.
Quality Assurance and Warranty
Power Stop rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The Geomet coating provides additional protection against rust and corrosion, contributing to longer rotor life. While specific warranty details for part number AR8389EVC should be confirmed with the manufacturer, Power Stop typically offers limited warranties covering defects in materials and workmanship.
| Brand | PowerStop |
|---|---|
| Part Number | AR8389EVC |
| Position | Power Stop - Rear Genuine Geomet Coated Rotor, Rear |
| Discard Thickness | 10.40 |
| Mounting Bolt Hole Circle Diameter | 5.00 |
| Mounting Bolt Hole Circle Diameter | 127.00 |
| Nominal Thickness | 0.48 |
| Nominal Thickness | 12.10 |
| Outside Diameter | 12.90 |
| Outside Diameter | 328.00 |
| Overall Height | 3.00 |
| Overall Height | 76.50 |
| Rust Resistant Coating | Yes |
| Solid Or Vented Type Rotor | Solid |
| Stud/Lug Hole Quantity | 5 |
This part fits 18 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2025 | Jeep | Wrangler | Rear | Brake Code - BRY (328mm Rear Rotor); Power Stop - Rear Genuine Geomet Coated Rotor | |
| 2024 | Jeep | Wrangler | Rear | Brake Code - BRY (328mm Rear Rotor); Power Stop - Rear Genuine Geomet Coated Rotor | |
| 2023 | Jeep | Wrangler | Rear | Brake Code - BRY (328mm Rear Rotor); Power Stop - Rear Genuine Geomet Coated Rotor | |
| 2022 | Jeep | Wrangler | Rear | Brake Code - BRY (328mm Rear Rotor); Power Stop - Rear Genuine Geomet Coated Rotor | |
| 2021 | Jeep | Wrangler | Rear | Code-BRY; Power Stop - Rear Genuine Geomet Coated Rotor | |
| 2020 | Jeep | Wrangler | Sport | Rear | Power Stop - Rear Genuine Geomet Coated Rotor |
| 2020 | Jeep | Wrangler | Sport S | Rear | Power Stop - Rear Genuine Geomet Coated Rotor |
| 2020 | Jeep | Wrangler | Unlimited Sport S | Rear | Power Stop - Rear Genuine Geomet Coated Rotor |
| 2019 | Jeep | Wrangler | Sport | Rear | Power Stop - Rear Genuine Geomet Coated Rotor |
| 2019 | Jeep | Wrangler | Unlimited Sport | Rear | Power Stop - Rear Genuine Geomet Coated Rotor |
| 2019 | Jeep | Wrangler | Sport S | Rear | Power Stop - Rear Genuine Geomet Coated Rotor |
| 2019 | Jeep | Wrangler | Unlimited Sport S | Rear | Power Stop - Rear Genuine Geomet Coated Rotor |
| 2019 | Jeep | Wrangler | Unlimited Moab | Rear | Power Stop - Rear Genuine Geomet Coated Rotor |
| 2018 | Jeep | Wrangler | Sport | Rear | Power Stop - Rear Genuine Geomet Coated Rotor |
| 2018 | Jeep | Wrangler | Unlimited Sport | Rear | Power Stop - Rear Genuine Geomet Coated Rotor |
| 2018 | Jeep | Wrangler | Sport S | Rear | Power Stop - Rear Genuine Geomet Coated Rotor |
| 2018 | Jeep | Wrangler | Unlimited Sport S | Rear | Power Stop - Rear Genuine Geomet Coated Rotor |
| 2018 | Jeep | Wrangler | Unlimited Moab | 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.