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PowerStop JBR1594SCR Disc Brake Rotor - Rear
| Brand | PowerStop JBR1594SCR |
|---|---|
| Position | Rear |
| Discard Thickness | 0.28 |
| Discard Thickness | 7.00 |
| Nominal Thickness | 0.35 |
| Nominal Thickness | 9.00 |
| Balancing Type | Mill balanced |
| Construction | Full cast |
| Rust Resistant Coating | Yes |
| Overall Height | 1.54 |
| Overall Height | 39.10 |
| Outside Diameter | 10.41 |
| Outside Diameter | 264.50 |
| ABS Tone Ring Included | No |
| Surface Type | Smooth |
| Solid Or Vented Type Rotor | Solid |
| Mounting Bolt Hole Circle Diameter | 114.30 |
| Mounting Bolt Hole Circle Diameter | 4.50 |
| Stud/Lug Hole Quantity | 5 |
| Product line | PowerStop - Rear Coated Hat and Edge Rotor |
| Fits | Mazda · 20 vehicles |
Corrosion-resistant coating. Silver epoxy protects the hat, edge, and vanes from visible rust.
OE-style replacement. Direct bolt-on design matches original equipment specifications.
Mill balanced. Full cast construction helps support consistent rotor operation.
Cross-references B45G-26-251A, B45G-26-251B and BDTS-26-251 for the same application. See all 5.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Coated rear brake rotor
PowerStop JBR1594SCR is a rear disc brake rotor built as a direct bolt-on replacement for original equipment. It is designed for Mazda 3, Mazda CX-30, and Mazda CX-3 applications with OE-style fitment and corrosion protection on exposed areas.
Key features
- Partially coated rotor with silver epoxy on the hat, outer edge, and vanes
- Rust-resistant coating helps preserve appearance behind alloy wheels
- Full cast construction with mill balancing for consistent operation
- Solid rotor design with smooth braking surface
- Matches OE weight and vane count for fitment consistency
Detailed description
This PowerStop coated hat and edge rotor is engineered to replace the original rear rotor without changing the factory brake layout. The JBR1594SCR uses a full cast, solid design with a smooth surface and mill-balanced construction, while the coated areas help resist corrosion where rotors are most exposed. For drivers maintaining a Mazda 3, Mazda CX-30, or Mazda CX-3, this rotor supports a clean appearance and OE-style brake service.
PowerStop’s coated rotor line focuses on direct replacement fitment and corrosion control. The silver epoxy coating is applied to the hat, outer edge, and internal vanes to reduce visible rust and help the rotor maintain a cleaner look over time. The JBR1594SCR is built to match original equipment specifications, including weight and vane count, for a straightforward replacement on the rear axle.
What it is used for
- Replacing a worn rear brake rotor
- Addressing rotor rust on exposed surfaces
- Restoring smooth braking performance
- Maintaining OE-style fitment on Mazda brake service
- Keeping the rotor face and hat area cleaner behind alloy wheels
Installation notes and tips
Fits 2014-2025 Mazda 3, rear. Fits 2023-2025 Mazda CX-30, rear. Fits 2020-2021 Mazda CX-30, rear. Fits 2019-2021 Mazda CX-3, rear. Verify rotor dimensions, bolt pattern, and brake configuration before installation. This part cross-references Monroe Shocks & Struts (e.g., B45G-26-251A, B45G-26-251B) for the same application.
Quality assurance
PowerStop designs this rotor to match original equipment performance and specifications, including weight and vane count, for guaranteed fitment.
| Year | Make | Model | Submodel | Drive Type | Position | Notes |
|---|---|---|---|---|---|---|
| 2025 | Mazda | 3 | — | — | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2025 | Mazda | CX-30 | 2.5 S | — | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2024 | Mazda | 3 | — | — | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2024 | Mazda | CX-30 | 2.5 S | — | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2023 | Mazda | 3 | — | — | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2023 | Mazda | CX-30 | — | — | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2022 | Mazda | 3 | — | — | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2021 | Mazda | 3 | — | — | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2021 | Mazda | CX-3 | — | — | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2021 | Mazda | CX-30 | — | AWD | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2020 | Mazda | 3 | — | — | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2020 | Mazda | CX-3 | — | — | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2020 | Mazda | CX-30 | — | AWD | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2019 | Mazda | 3 | — | — | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2019 | Mazda | CX-3 | — | — | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2018 | Mazda | 3 | — | — | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2017 | Mazda | 3 | — | — | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2016 | Mazda | 3 | — | — | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2015 | Mazda | 3 | — | — | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
| 2014 | Mazda | 3 | — | — | Rear | PowerStop - Rear Coated Hat and Edge Rotor |
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