OE Quality
60-Day Returns

MPA Electrical BR77103G Disc Brake Rotor - Front
Overview of MPA Electrical Black Series Coated Rotor BR77103G
The MPA Electrical Black Series Coated Rotor BR77103G is engineered for reliable braking performance on select Audi and Volkswagen models. Designed as a vented disc brake rotor with a rust-resistant coating, this rotor offers durability and consistent stopping power for vehicles like the Audi S3 and Volkswagen Golf R.
- Coated disc and hat finish for enhanced corrosion resistance
- Vented rotor design for improved heat dissipation
- Nominal thickness of 29.9 mm with discard thickness at 27.0 mm
- Compatible with Audi and Volkswagen models including CC, Golf, Golf R, Passat, Passat CC, R32, and S3
- Standard replacement grade rotor with smooth surface finish
- Mounting bolt hole circle diameter of 112 mm and 5 lug holes
Product Line Details: Black Series Coated Rotor
The Black Series Coated Rotor line by MPA Electrical focuses on providing rotors with protective coatings to resist rust and corrosion. This product line is designed to maintain rotor integrity and appearance over time, especially in environments prone to moisture and road salt. The BR77103G rotor benefits from this coating on both the disc and hat surfaces, extending the service life compared to uncoated rotors.
Technical Specifications and Features
This disc brake rotor features a vented design that helps dissipate heat generated during braking, reducing the risk of brake fade. The nominal thickness of 29.9 mm and discard thickness of 27.0 mm ensure the rotor meets standard replacement criteria. The smooth surface finish supports consistent brake pad contact, while the rust-resistant coating on both the disc and hat surfaces protects against corrosion. The rotor has a center hole diameter of 65.0 mm and a mounting bolt hole circle diameter of 112.0 mm with 5 lug holes, making it compatible with specific Audi and Volkswagen models.
Compatible Vehicles and Applications
- Replacement rotor for Audi CC, S3
- Suitable for Volkswagen Golf, Golf R, Passat, Passat CC, and R32
- Ideal for addressing rotor wear and corrosion issues
- Used to restore braking performance and reduce noise
- Helps resolve rotor warping and uneven pad wear
Installation Notes and Tips
Ensure the rotor thickness is measured before installation to confirm it is above the discard thickness of 27.0 mm. Clean the hub surface before mounting the rotor to prevent uneven seating. This rotor does not include bearings or ABS tone rings, so verify compatibility with your vehicle’s existing components. Proper torque specifications should be followed for mounting bolts to ensure safe and secure installation.
Quality Assurance and Warranty
The MPA Electrical Black Series Coated Rotor BR77103G is a new, standard replacement grade rotor designed to meet OEM specifications. The rust-resistant coating enhances durability, and the vented design supports consistent braking performance. Warranty details should be confirmed with the supplier or manufacturer, as they may vary.
| Brand | MPA Electrical |
|---|---|
| Part Number | BR77103G |
| Position | Black Series Coated Rotor, Front |
| Discard Thickness | 1.06 |
| Discard Thickness | 27.0 |
| Nominal Thickness | 1.18 |
| Nominal Thickness | 29.9 |
| 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 | Vented |
| Bearings Included | No |
| Center Hole Diameter | 65.0 |
| Mounting Bolt Hole Circle Diameter | 112.0 |
| Mounting Bolt Hole Circle Diameter | 4.409 |
| Mounting Bolt Hole Diameter | 0.602 |
| Mounting Bolt Hole Diameter | 15.3 |
| Stud/Lug Hole Quantity | 5 |
| Finish | Coated |
| Product Condition | New |
This part fits 22 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2013 | Volkswagen | Golf | Front | Black Series Coated Rotor | ||
| 2013 | Volkswagen | Golf R | Front | Black Series Coated Rotor | ||
| 2012 | Audi | S3 | Front | Black Series Coated Rotor | ||
| 2012 | Volkswagen | Golf | Front | Black Series Coated Rotor | ||
| 2012 | Volkswagen | Golf R | Front | Black Series Coated Rotor | ||
| 2012 | Volkswagen | Passat CC | Front | Black Series Coated Rotor | ||
| 2011 | Audi | S3 | Front | Black Series Coated Rotor | ||
| 2011 | Volkswagen | CC | 3.6L | V6 | Front | Black Series Coated Rotor |
| 2011 | Volkswagen | Passat CC | Front | Black Series Coated Rotor | ||
| 2010 | Audi | S3 | Front | Black Series Coated Rotor | ||
| 2010 | Volkswagen | CC | 3.6L | V6 | Front | Black Series Coated Rotor |
| 2010 | Volkswagen | Passat CC | Front | Black Series Coated Rotor | ||
| 2009 | Audi | S3 | Front | Black Series Coated Rotor | ||
| 2009 | Volkswagen | CC | 3.6L | V6 | Front | Black Series Coated Rotor |
| 2009 | Volkswagen | Passat | 3.6L | V6 | Front | Black Series Coated Rotor |
| 2009 | Volkswagen | Passat CC | 3.6L | V6 | Front | Black Series Coated Rotor |
| 2008 | Audi | S3 | Front | Black Series Coated Rotor | ||
| 2008 | Volkswagen | Passat | 3.6L | V6 | Front | Black Series Coated Rotor |
| 2008 | Volkswagen | R32 | Front | Black Series Coated Rotor | ||
| 2007 | Volkswagen | Golf | Front | Black Series Coated Rotor | ||
| 2007 | Volkswagen | Passat | 3.6L | V6 | Front | Black Series Coated Rotor |
| 2006 | Volkswagen | Passat | 3.6L | V6 | Front | Black Series Coated Rotor |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.