Brembo 09.9464.21 Disc Brake Rotor - Front

Reliable Disc Brake Rotor for Mazda 3 and 3 Sport

The Brembo 09.9464.21 disc brake rotor is engineered to meet the demands of Mazda 3 and 3 Sport vehicles. Designed with high carbon material and a UV coated finish, this rotor offers durability and consistent braking performance under various driving conditions.

• High carbon material for enhanced strength and heat dissipation
• Vented rotor design to improve cooling and reduce brake fade
• UV coated rust-resistant finish for extended rotor life
• Compatible with Mazda 3 and Mazda 3 Sport models
• Precision centering diameter of 72 mm and 5 mounting holes
• Nominal thickness of 25 mm with a minimum thickness of 23 mm
• Outside diameter of 278 mm and height of 48.5 mm
• Torque specification of 103 Nm for proper installation

About the Premium UV Coated OE Equivalent Rotor Line

The Brembo Premium UV Coated OE Equivalent Rotor line is designed to provide rotors that match original equipment specifications while incorporating a UV resistant coating. This coating helps protect the rotor surface from corrosion, maintaining performance and appearance over time. The 09.9464.21 rotor is part of this line, ensuring it meets strict quality and durability standards for Mazda vehicles.

Technical Details and Performance

This disc brake rotor features a vented design that enhances heat dissipation during braking, reducing the risk of brake fade and maintaining consistent stopping power. The high carbon material improves rotor strength and thermal conductivity, which contributes to longer rotor life and better performance. The UV coating provides a rust-resistant barrier, helping to prevent corrosion that can compromise braking efficiency. With a centering diameter of 72 mm and 5 mounting holes, this rotor fits precisely on compatible Mazda 3 and 3 Sport models. The rotor’s dimensions, including a 278 mm outside diameter and 48.5 mm height, align with OEM specifications to ensure proper fit and function.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing vibration or noise
• Upgrading corroded rotors to improve braking reliability
• Addressing brake fade due to overheating with vented rotor design
• Restoring proper rotor thickness for safe braking performance
• Ensuring compatibility with Mazda 3 and 3 Sport brake systems

Installation Notes and Tips

When installing the Brembo 09.9464.21 rotor, ensure the mounting surface is clean and free of debris to achieve proper centering. Use the specified torque of 103 Nm on mounting bolts to secure the rotor without distortion. It is recommended to inspect brake pads and hardware during installation to maintain overall braking system integrity. Proper bedding-in of new rotors and pads will help optimize braking performance and rotor longevity.

Quality Assurance and Warranty

Brembo rotors are manufactured to meet stringent quality standards, ensuring reliable performance and durability. The Premium UV Coated OE Equivalent Rotor line undergoes rigorous testing to comply with OEM specifications. Warranty coverage details should be confirmed with the point of purchase or Brembo directly, as warranty terms may vary.