Dynamite Friction 631-80038L Disc Brake Rotor - Front Left

Overview of the DFC Brake Rotor for Mazda 6

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-80038L) is engineered for Mazda 6 models requiring reliable braking performance. This vented disc brake rotor features a directional, slotted and drilled surface designed to enhance heat dissipation and maintain consistent stopping power.

• Compatible with Mazda 6 vehicles
• Part Number: 631-80038L
• Vented disc brake rotor with drilled and slotted surface
• Nominal thickness of 25 mm and discard thickness of 23 mm
• Rust resistant zinc silver hat finish with plain disc finish
• 5 bolt holes with a bolt circle diameter of 114.3 mm
• Directional brake surface for optimized performance
• Overall height and height of 48.8 mm, outside diameter of 282 mm

Detailed Product Features and Specifications

This DFC Brake Rotor - Drilled and Slotted - Silver is designed with a vented rotor type to improve cooling during braking, reducing the risk of brake fade. The rotor’s surface is both drilled and slotted, which helps to evacuate gases, dust, and water, maintaining effective contact between the brake pad and rotor. The directional surface pattern is optimized for the Mazda 6’s braking system, ensuring consistent performance under various driving conditions.

The rotor has a nominal thickness of 25 mm and a discard thickness of 23 mm, indicating when replacement is necessary to maintain safety and performance. The zinc silver coating on the hat provides rust resistance, extending the rotor’s service life. With 5 bolt holes and a bolt circle diameter of 114.3 mm, this rotor fits securely on the Mazda 6 hub assembly. The center hole diameter measures 71.7 mm, and the stud/lug hole diameter is 12.93 mm, matching factory specifications.

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

The DFC Brake Rotor - Drilled and Slotted - Silver line by Dynamite Friction focuses on rotors that combine drilled holes and slots with a rust-resistant finish. This product line is designed to provide enhanced heat dissipation and improved braking response, particularly for vehicles like the Mazda 6 that demand reliable stopping power. The silver zinc coating on the hat area helps protect against corrosion, making these rotors suitable for various driving environments.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Mazda 6 models
• Improves heat dissipation to reduce brake fade during heavy braking
• Helps prevent brake pad glazing by evacuating dust and gases
• Addresses rotor corrosion issues with rust-resistant coating
• Restores braking performance affected by rotor surface damage

Installation Notes and Tips

Ensure the rotor thickness is above the discard thickness of 23 mm before installation. Clean the hub surface to remove rust or debris for proper rotor seating. Use the correct torque specifications for the 5 lug bolts with a 114.3 mm bolt circle diameter. Verify the directional surface is installed facing the correct rotation direction for optimal performance. Avoid contaminating the rotor surface with grease or oil during installation.

Quality Assurance and Warranty

Dynamite Friction manufactures the 631-80038L rotor to meet OEM specifications for the Mazda 6. The rust-resistant zinc silver finish and vented design contribute to durability and consistent braking performance. While specific warranty details are not provided, this rotor is built to maintain safety and reliability when installed and maintained according to manufacturer guidelines.