Dynamite Friction 631-80040L Disc Brake Rotor - Rear Left

Overview of Dynamite Friction DFC Brake Rotor

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver offers reliable braking performance for Mazda 3 and Mazda 3 Sport models. Designed with a solid, directional rotor surface, this part ensures consistent stopping power and heat dissipation under various driving conditions.

• Part Number: 631-80040L
• Disc Type: Solid, drilled and slotted surface
• Disc Finish: Plain with zinc silver hat finish
• Rust Resistant Coating for extended durability
• 5 bolt holes with 114.3 mm bolt circle diameter
• Outside Diameter: 280 mm
• Nominal Thickness: 11 mm, Discard Thickness: 9 mm
• Center Hole Diameter: 71.7 mm
• Directional brake surface for optimized performance

Detailed Product Description

This DFC Brake Rotor from Dynamite Friction is engineered specifically for Mazda 3 and Mazda 3 Sport vehicles, providing a precise fit and reliable braking response. The rotor features a solid disc design with a drilled and slotted surface that helps improve heat dissipation and reduce brake fade during extended use. The zinc silver finish on the hat area offers corrosion resistance, complemented by an overall rust-resistant coating to maintain rotor integrity over time.

With a nominal thickness of 11 mm and a discard thickness of 9 mm, this rotor meets strict safety and performance standards. The 5-bolt hole configuration with a 114.3 mm bolt circle diameter ensures compatibility with the specified Mazda models. The directional slotted and drilled surface enhances water and debris evacuation, contributing to consistent braking performance in various conditions.

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 to improve braking efficiency and rotor cooling. This product line is designed to provide enhanced heat dissipation and maintain braking performance under demanding conditions, making it suitable for drivers seeking reliable replacement rotors for their Mazda 3 and Mazda 3 Sport vehicles.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Mazda 3 and Mazda 3 Sport
• Improves heat dissipation to reduce brake fade during heavy braking
• Helps prevent rust and corrosion with protective coatings
• Addresses uneven braking caused by rotor surface damage
• Maintains consistent stopping power with directional drilled and slotted design

Installation Notes and Tips

Ensure the rotor thickness is above the discard thickness of 9 mm before installation. Clean the hub surface to prevent rotor runout and ensure proper fitment. Use the correct torque specifications for the 5 lug bolts with a 114.3 mm bolt circle diameter. The directional surface requires installation with the correct orientation to maximize performance benefits.

Quality Assurance

Dynamite Friction manufactures this rotor to meet OEM specifications for Mazda 3 and Mazda 3 Sport models. The rust-resistant coating and zinc silver hat finish contribute to long-term durability. While no specific warranty information is provided, the product is designed to comply with industry standards for safety and performance.