MPA Electrical BR77101G Disc Brake Rotor - Front

Reliable Disc Brake Rotor for Mazda 3

The MPA Electrical Black Series Coated Rotor BR77101G offers a durable and rust-resistant braking solution designed specifically for Mazda 3 models. Engineered to meet standard replacement specifications, this vented disc brake rotor ensures consistent performance and longevity.

Key Features of the BR77101G Disc Brake Rotor

• Coated disc and hat finish for enhanced rust resistance
• Vented rotor design for improved heat dissipation
• Nominal thickness of 0.98 inches (25.0 mm) with discard thickness at 0.91 inches (23.0 mm)
• Smooth surface type for consistent braking contact
• Five mounting bolt holes with a diameter of 0.543 inches (13.8 mm)
• Standard replacement grade type for reliable performance
• New product condition ensuring unused quality

About the Black Series Coated Rotor Line

The Black Series Coated Rotor line by MPA Electrical focuses on providing rotors with a protective coating that helps resist rust and corrosion. This coating extends the rotor's service life and maintains a clean appearance, making it suitable for drivers seeking a dependable replacement rotor for their Mazda 3. The vented design further aids in heat management during braking, contributing to consistent stopping power.

Product Details and Specifications

This disc brake rotor features a nominal thickness of 0.98 inches (25.0 mm) and a discard thickness of 0.91 inches (23.0 mm), ensuring it meets the necessary safety and performance standards. The smooth surface finish promotes even pad wear and effective braking. The rotor includes five mounting bolt holes sized at 0.543 inches (13.8 mm) diameter, compatible with Mazda 3 mounting specifications. Both the disc and hat are coated to provide rust resistance, which is critical for maintaining rotor integrity over time.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Mazda 3 vehicles
• Addresses brake noise caused by uneven rotor surfaces
• Helps reduce rust buildup that can impair braking efficiency
• Improves heat dissipation to prevent brake fade during extended use
• Restores smooth braking performance for daily driving conditions

Installation Notes and Tips

Ensure the rotor thickness is measured before installation to confirm it is above the discard thickness of 0.91 inches (23.0 mm). Clean the mounting surface and hub area to prevent uneven rotor seating. Use proper torque specifications for the five mounting bolts to avoid rotor warping. This rotor does not include ABS tone rings or bearings, so verify compatibility with your vehicle’s existing components.

Quality Assurance and Warranty

The MPA Electrical Black Series Coated Rotor BR77101G is a new, standard replacement part designed to meet OEM specifications for the Mazda 3. It features a rust-resistant coating to enhance durability. Warranty details should be confirmed with the distributor or manufacturer to ensure coverage terms.