Brembo 08.9975.21 Disc Brake Rotor - Rear

Overview of Brembo Disc Brake Rotor 08.9975.21 for Mazda 3

The Brembo Premium UV Coated OE Equivalent Rotor (part number 08.9975.21) is designed specifically for Mazda 3 and Mazda 3 Sport models. This solid disc brake rotor offers reliable braking performance with a durable grey cast iron construction and UV-resistant coating to reduce corrosion.

• Material: Grey cast iron for consistent heat dissipation
• Centering Diameter: 72 mm for precise fitment
• Height: 40.8 mm ensuring proper rotor thickness
• Minimum Thickness: 9 mm for safe rotor replacement
• Nominal Thickness: 11 mm for optimal braking surface
• Number of Holes: 5, matching Mazda 3 bolt pattern
• Outside Diameter: 280 mm for correct rotor size
• Rust Resistant Coating: UV coated to prevent corrosion
• Rotor Type: Solid design for standard braking applications
• Torque Specification: 103 Nm for secure installation

Detailed Product Description

This Brembo disc brake rotor is engineered from grey cast iron, a material known for its durability and effective heat management during braking. The rotor features a 280 mm outside diameter and a 72 mm centering diameter, ensuring compatibility with Mazda 3 and Mazda 3 Sport models. Its solid rotor design provides a stable braking surface, while the UV coating offers enhanced resistance to rust and environmental wear. The rotor thickness ranges from a nominal 11 mm to a minimum of 9 mm, indicating when replacement is necessary to maintain braking safety. The 5-hole bolt pattern matches the OEM specifications for a direct fit, and the recommended torque spec of 103 Nm ensures proper installation.

About the Premium UV Coated OE Equivalent Rotor Line

The Brembo Premium UV Coated OE Equivalent Rotor line is designed to meet original equipment standards while providing additional protection against corrosion through a UV-resistant coating. This product line focuses on delivering rotors that maintain OE fit, form, and function, making them suitable replacements for Mazda 3 vehicles requiring reliable braking components with extended surface protection.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Mazda 3 and Mazda 3 Sport
• Addressing brake noise caused by uneven rotor surfaces
• Improving braking performance with a rotor that meets OEM specifications
• Preventing rust and corrosion on brake rotors in humid or wet environments
• Ensuring safe braking by maintaining proper rotor thickness

Installation Notes and Tips

• Verify rotor dimensions and bolt pattern compatibility with your Mazda 3 model
• Use a torque wrench to tighten bolts to the specified 103 Nm
• Inspect brake pads and replace if worn to ensure optimal rotor performance
• Clean rotor surface before installation to remove any protective coatings or debris
• Check for proper rotor centering to avoid vibration or uneven wear

Quality Assurance and Warranty

Brembo rotors are manufactured to meet strict quality standards, ensuring durability and consistent braking performance. The Premium UV Coated OE Equivalent Rotor line includes corrosion-resistant coatings to extend rotor life. Warranty coverage details should be confirmed with the point of purchase or Brembo directly, as warranty terms may vary by region.