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MPA Electrical BR79508G Disc Brake Rotor - Rear
| Brand | MPA Electrical BR79508G |
|---|---|
| Position | Rear |
| Discard Thickness | 0.33 |
| Discard Thickness | 8.5 |
| Nominal Thickness | 0.39 |
| Nominal Thickness | 10.0 |
| Disc Finish | Coated |
| Hat Finish | Coated |
| Rust Resistant Coating | Yes |
| Grade Type | Standard replacement |
| ABS Tone Ring Included | No |
| Surface Type | Smooth |
| Solid Or Vented Type Rotor | Solid |
| Bearings Included | No |
| Mounting Bolt Hole Diameter | 0.512 |
| Mounting Bolt Hole Diameter | 13.0 |
| Stud/Lug Hole Quantity | 5 |
| Finish | Coated |
| Product Condition | New |
| Product line | Black Series Coated Rotor |
| Fits | Subaru · 7 vehicles |
Standard replacement. A direct-fit brake rotor for straightforward service.
Coated finish. Helps resist rust in harsh conditions.
OE-style vane design. Promotes efficient cooling and smoother stopping.
Cross-references 26700-VA000 for the same application. See all 1.
Rear Brake Rotor for Subaru WRX
The MPA Electrical Black Series Coated Rotor BR79508G is a rear disc brake rotor for 2015-2021 Subaru WRX applications. It is built as a standard replacement rotor with a coated finish to support consistent braking performance and corrosion resistance in demanding driving conditions.
The Black Series Coated Rotor line focuses on OE-style vane design and protective surface treatment. For Subaru WRX rear brake service, that means a rotor engineered for efficient cooling, smooth operation, and rust protection where exposed brake components are often affected by moisture, road salt, and heat cycling.
Key Features
- Part number BR79508G for rear brake service
- Compatible with 2015-2021 Subaru WRX, rear
- OE-style vane design for improved cooling flow
- Coated disc and hat finish for added rust resistance
- Smooth surface type for stable brake pad contact
- Solid rotor construction
- Standard replacement grade
- No ABS tone ring included
- No bearings included
Product Details
MPA Electrical BR79508G is a coated rear disc brake rotor with a nominal thickness of 10.0 mm and a discard thickness of 8.5 mm. The rotor uses a 5-lug mounting pattern with 13.0 mm mounting bolt hole diameter and a smooth braking surface. The Black Series Coated Rotor finish is intended to resist rust while maintaining performance through repeated heat exposure. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.
Common Issues This Rotor Can Address
- Rear brake pulsation from worn rotor surfaces
- Rust buildup on exposed brake rotor surfaces
- Noise caused by uneven or heat-spotted rotors
- Reduced braking consistency from rotor wear
- Cooling concerns during repeated stop-and-go driving
Installation Notes
Verify rear fitment before installation on your Subaru WRX and confirm rotor dimensions against the existing part. Inspect brake pads, caliper hardware, and hub surfaces during service, and clean the mounting face before installing the new rotor. Proper bedding-in of new pads and rotors helps promote even pad transfer and smooth braking performance.
Quality Assurance
The Black Series Coated Rotor line uses OE-style vane geometry and a protective coating designed to hold up under high temperatures and harsh weather exposure. For 2015-2021 Subaru WRX rear brake service, BR79508G provides a coated replacement rotor built for dependable everyday braking and corrosion protection.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2021 | Subaru | WRX | Rear | Black Series Coated Rotor |
| 2020 | Subaru | WRX | Rear | Black Series Coated Rotor |
| 2019 | Subaru | WRX | Rear | Black Series Coated Rotor |
| 2018 | Subaru | WRX | Rear | Black Series Coated Rotor |
| 2017 | Subaru | WRX | Rear | Black Series Coated Rotor |
| 2016 | Subaru | WRX | Rear | Black Series Coated Rotor |
| 2015 | Subaru | WRX | Rear | Black Series Coated Rotor |
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