Dynamite Friction 631-80069R Disc Brake Rotor - Front Right

Overview of Dynamite Friction DFC Brake Rotor for Mazda CX-9

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-80069R) is engineered specifically for Mazda CX-9 models. This vented disc brake rotor features a directional, slotted and drilled surface designed to enhance braking performance and heat dissipation.

• Compatible with Mazda CX-9 vehicles
• Part Number: 631-80069R
• Directional, slotted and drilled rotor surface
• Vented disc design for improved cooling
• Rust-resistant zinc silver hat finish
• 5 bolt holes with 114.3 mm bolt circle diameter
• Nominal thickness of 28 mm and discard thickness of 26 mm
• Overall diameter of 319.5 mm and height of 48 mm

Detailed Features and Specifications

This Dynamite Friction rotor is constructed with a vented design to allow better airflow and heat dissipation during braking, reducing the risk of brake fade. The rotor surface is both drilled and slotted, which helps to evacuate gases, dust, and water, maintaining consistent brake pad contact and improving stopping power. The directional surface pattern is optimized for the Mazda CX-9’s braking system, ensuring proper rotation and performance.

The rotor’s hat is finished with a zinc silver coating that provides rust resistance, extending the rotor’s service life. It features five bolt holes with a bolt circle diameter of 114.3 mm and a center hole diameter of 72 mm, matching the Mazda CX-9’s hub specifications. The nominal thickness is 28 mm, with a discard thickness of 26 mm, indicating when the rotor should be replaced to maintain safe braking performance.

About the DFC Brake Rotor - Drilled and Slotted - Silver Line

The DFC Brake Rotor - Drilled and Slotted - Silver line by Dynamite Friction focuses on rotors that combine drilled holes and slots for enhanced brake cooling and debris removal. This product line is designed to provide reliable braking performance under various driving conditions, particularly for vehicles like the Mazda CX-9 that require precise fitment and durability.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Mazda CX-9
• Improves heat dissipation to reduce brake fade during heavy braking
• Helps eliminate brake pad glazing and uneven wear
• Reduces rust buildup on rotor hats for longer service life
• Maintains consistent braking performance in wet or dusty conditions

Installation Notes and Tips

Ensure the rotor is installed with the directional surface rotating correctly according to the vehicle’s forward motion. Verify that the bolt hole pattern and center hole diameter match the Mazda CX-9 specifications before installation. It is recommended to inspect brake pads and hardware during rotor replacement to ensure optimal braking system performance.

Quality Assurance

Dynamite Friction manufactures this rotor to meet or exceed OEM specifications for fit, form, and function. The rust-resistant coating and vented design contribute to durability and consistent braking performance. Please consult the manufacturer or product documentation for warranty details specific to part number 631-80069R.