Dynamite Friction 633-80077L Disc Brake Rotor - Rear Left

Overview of the DFC Brake Rotor for Mazda CX-9

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Black (part number 633-80077L) is engineered specifically for the Mazda CX-9. This disc brake rotor combines a directional slotted and drilled surface with a rust-resistant zinc black hat finish to provide reliable braking performance and durability.

• Compatible with Mazda CX-9 models
• Directional slotted and drilled surface for improved heat dissipation
• 325 mm outside diameter with 5 bolt holes and 5 lug holes
• Nominal thickness of 11 mm and discard thickness of 9 mm
• Zinc black hat finish with rust-resistant coating
• Center hole diameter of 68 mm and bolt circle diameter of 114.3 mm
• Part number 633-80077L for precise identification

Details on the DFC Brake Rotor - Drilled and Slotted - Black Line

The DFC Brake Rotor - Drilled and Slotted - Black product line by Dynamite Friction focuses on rotors designed to enhance braking efficiency through improved heat management. The drilled and slotted surface pattern helps reduce brake fade by allowing gases and debris to escape, while the black zinc-coated hat offers corrosion resistance. This line is tailored for drivers seeking rotors that maintain consistent performance under demanding conditions.

Technical Specifications and Features

This disc brake rotor features a nominal thickness of 11 mm and a discard thickness of 9 mm, ensuring a clear service life indicator. The rotor’s 325 mm outside diameter and 45.3 mm height are designed to match the Mazda CX-9’s braking system requirements. The directional slotted and drilled surface improves water and dust evacuation, enhancing braking response. The zinc black hat finish with rust-resistant coating protects against corrosion, extending rotor life. The rotor includes 5 bolt holes and 5 lug holes with a bolt circle diameter of 114.3 mm and a center hole diameter of 68 mm, ensuring proper fitment and secure installation.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Mazda CX-9 vehicles
• Improves braking performance in wet or dusty conditions
• Reduces brake fade during extended or aggressive braking
• Prevents rust and corrosion on rotor hats for longer service life
• Maintains consistent braking feel and pedal response

Installation Notes and Tips

Ensure the rotor thickness is above the discard thickness of 9 mm before installation. Clean the rotor surface to remove any protective coatings or residues prior to mounting. Verify the bolt hole pattern and center hole diameter match the vehicle specifications. Use proper torque settings on lug nuts to avoid rotor warping. It is recommended to replace brake pads simultaneously to optimize braking performance.

Quality Assurance and Warranty

Dynamite Friction manufactures this rotor to meet or exceed OEM specifications for the Mazda CX-9. The rust-resistant coating and zinc black hat finish contribute to durability and corrosion resistance. While specific warranty details are not provided, Dynamite Friction products typically undergo rigorous quality control to ensure reliable performance and fitment.