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PowerStop JBR1930XPR Disc Brake Rotor Set - Front
Front Brake Rotor Upgrade for Mazda CX-50
PowerStop JBR1930XPR is a front disc brake rotor set built for 2023-2025 Mazda CX-50 applications. It combines drilled and slotted rotor surfaces with a zinc-plated finish to support cooler operation, cleaner pad contact, and added resistance to rust.
Key Features
- Direct OE-fit front rotor replacement for 2023-2025 Mazda CX-50
- Slotted X drilled surface helps move away gas, dust, and moisture
- Cross-drilled design supports heat dissipation during demanding braking
- Silver zinc dichromate coating helps resist corrosion
- Vented, full cast construction for performance-focused braking
- 5-lug, 114.30 mm bolt circle fitment
Power Stop Rotor Line Details
Power Stop drilled and slotted rotors are positioned as a bolt-on brake upgrade for drivers who want a more performance-oriented rotor design without changing the factory fitment. The JBR1930XPR follows that approach with a vented, OE-style layout and a surface pattern intended to maintain consistent friction contact under heat, dust, and moisture exposure.
Detailed Description
The PowerStop JBR1930XPR front rotor set is engineered for the Mazda CX-50 with a direct fit and no special modifications required. Each rotor uses a full cast, vented construction with an outside diameter of 325.70 mm, nominal thickness of 25.00 mm, and discard thickness of 23.00 mm. The slotted and cross-drilled surface is paired with a rust-resistant zinc coating to help preserve appearance and performance in everyday driving and more demanding conditions. This part cross-references Monroe Shocks & Struts (e.g., VA40-33-251) for the same application.
What It Helps Address
- Brake fade caused by heat buildup during repeated stops
- Reduced pad bite from dust, gas, or moisture on the rotor face
- Surface rust and corrosion on exposed brake components
- Uneven braking feel from worn or heat-affected front rotors
- OE rotor replacement needs on Mazda CX-50 front brake service
Installation Notes and Tips
Fits 2023-2025 Mazda CX-50, front. Verify rotor dimensions, hub fitment, and brake pad condition before installation. Because this rotor uses a direct OE fit, it is intended to replace the factory front rotor without special modifications. For best results, inspect calipers, pads, and hardware condition during brake service and follow the vehicle manufacturer’s service procedures.
Quality Assurance
PowerStop manufactures this rotor with performance-grade construction, zinc corrosion protection, and OE-style fitment for the Mazda CX-50 platform. Part number JBR1930XPR is built to match the listed dimensions and application coverage for 2023-2025 Mazda CX-50 front brake service.
| Brand | PowerStop |
|---|---|
| Part Number | JBR1930XPR |
| Position | Power Stop - Front Drilled, Slotted and Zinc Plated Brake Rotor Pair - Contains JBR1930XL & JBR1930XR, Front |
| Discard Thickness | 23.00 |
| Nominal Thickness | 25.00 |
| Construction | Full cast |
| Rust Resistant Coating | Yes |
| Overall Height | 1.90 |
| Overall Height | 47.80 |
| Outside Diameter | 12.80 |
| Outside Diameter | 325.70 |
| Grade Type | Performance |
| ABS Tone Ring Included | No |
| Surface Type | Slotted x drilled |
| Solid Or Vented Type Rotor | Vented |
| Mounting Bolt Hole Circle Diameter | 114.30 |
| Mounting Bolt Hole Circle Diameter | 4.50 |
| Stud/Lug Hole Quantity | 5 |
This part fits 3 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2025 | Mazda | CX-50 | Front | Power Stop - Front Drilled, Slotted and Zinc Plated Brake Rotor Pair - Contains JBR1930XL & JBR1930XR |
| 2024 | Mazda | CX-50 | Front | Power Stop - Front Drilled, Slotted and Zinc Plated Brake Rotor Pair - Contains JBR1930XL & JBR1930XR |
| 2023 | Mazda | CX-50 | Front | Power Stop - Front Drilled, Slotted and Zinc Plated Brake Rotor Pair - Contains JBR1930XL & JBR1930XR |
* 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.