MPA Electrical BR79508G Disc Brake Rotor - Rear

Reliable Disc Brake Rotor for Subaru WRX

The MPA Electrical Black Series Coated Rotor BR79508G offers a durable and corrosion-resistant solution for Subaru WRX owners seeking a dependable replacement disc brake rotor. Designed specifically for the Subaru WRX, this rotor ensures consistent braking performance with a smooth surface finish and solid construction.

• Coated disc and hat finish for enhanced rust resistance
• Solid rotor design with smooth surface type
• Nominal thickness of 0.39 inches (10.0 mm) and discard thickness of 0.33 inches (8.5 mm)
• Standard replacement grade type for reliable performance
• Five mounting lug holes with 0.512 inch (13.0 mm) bolt hole diameter
• New product condition ensuring quality and longevity

About the Black Series Coated Rotor Line

The Black Series Coated Rotor line by MPA Electrical focuses on providing rotors with a protective coating on both the disc and hat surfaces. This coating helps reduce rust and corrosion, extending the rotor's service life, especially in environments prone to moisture and road salt. The BR79508G model benefits from this coating, making it a practical choice for Subaru WRX vehicles requiring a standard replacement rotor with added durability.

Product Details and Specifications

This disc brake rotor features a solid design with a smooth surface type, which supports consistent brake pad contact and reliable stopping power. The nominal thickness measures 0.39 inches (10.0 mm), with a discard thickness of 0.33 inches (8.5 mm), indicating when the rotor should be replaced to maintain safe braking performance. The rotor includes five stud/lug holes with a mounting bolt hole diameter of 0.512 inches (13.0 mm), ensuring proper fitment on Subaru WRX models. The rust-resistant coating on both the disc and hat surfaces helps protect against corrosion, maintaining rotor integrity over time.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Subaru WRX vehicles
• Addresses rotor surface rust and corrosion issues
• Improves braking consistency by restoring smooth rotor surface
• Prevents premature rotor wear due to environmental exposure
• Suitable for standard braking system maintenance and repair

Installation Notes and Tips

Ensure the rotor thickness is above the discard thickness before installation. Clean the hub surface to remove any rust or debris for proper rotor seating. Use the correct torque specifications for the five mounting lug holes to avoid rotor warping. This rotor does not include ABS tone rings or bearings, so verify compatibility with your vehicle's braking system. Always inspect brake pads and related components during rotor replacement.

Quality Assurance and Warranty

The MPA Electrical Black Series Coated Rotor BR79508G is a new, standard replacement part manufactured to meet OEM specifications for Subaru WRX models. The rust-resistant coating enhances durability, and the product undergoes quality checks to ensure consistent performance. Warranty details should be confirmed with the supplier or manufacturer.