Dynamite Friction 631-54110L Disc Brake Rotor - Front Left

Reliable Performance with Dynamite Friction DFC Brake Rotor

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver offers dependable braking performance for Ford and Mazda trucks and SUVs. Designed specifically for models like the Ford Ranger and Mazda B2300, this rotor ensures consistent stopping power and heat dissipation under demanding conditions.

• Part Number: 631-54110L
• Disc Type: Vented, drilled and slotted surface
• Nominal Thickness: 22 mm with a discard thickness of 20.6 mm
• Rust-resistant zinc silver hat finish
• Directional brake surface for optimized performance
• 5 bolt holes with 1/2-20 diameter and 114.3 mm bolt circle diameter
• Overall diameter: 261 mm; center hole diameter: 63.6 mm

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

The DFC Brake Rotor - Drilled and Slotted - Silver line from Dynamite Friction is engineered to provide enhanced heat dissipation and improved braking response. The drilled and slotted design helps reduce brake fade by allowing gases and debris to escape, while the vented rotor construction promotes airflow to maintain optimal operating temperatures. The zinc silver coating on the rotor hat offers corrosion resistance, extending the rotor's service life in various driving environments.

Technical Details and Specifications

This disc brake rotor features a vented design with a 261 mm outside diameter and an overall height of 105 mm, suitable for specific Ford and Mazda models including the Aerostar, B2300, B3000, B4000, and Ranger. The rotor’s nominal thickness is 22 mm, with a discard thickness of 20.6 mm, ensuring safe replacement intervals. The directional slotted and drilled surface improves braking efficiency by enhancing pad bite and reducing heat buildup. The rotor includes five bolt holes with a 1/2-20 diameter and a bolt circle diameter of 114.3 mm, matching factory specifications for secure fitment.

Compatible Vehicles and Applications

• Ford Aerostar
• Ford Ranger
• Mazda B2300
• Mazda B3000
• Mazda B4000

This rotor is designed for drivers seeking reliable replacement parts that meet OEM standards for these specific models.

Common Issues Addressed by This Rotor

• Brake fade caused by overheating during heavy use
• Uneven brake pad wear due to poor heat dissipation
• Corrosion and rust buildup on rotor surfaces
• Reduced braking performance from warped or damaged rotors
• Noise and vibration from worn or uneven rotors

Installation Notes and Tips

Ensure the rotor surface is clean and free of debris before installation. Verify the rotor thickness is above the discard thickness of 20.6 mm to maintain safety standards. Use proper torque specifications for the 5 lug bolts with 1/2-20 diameter to secure the rotor. The directional slotted and drilled surface should be installed following the rotation direction indicated on the rotor for optimal performance.

Quality Assurance and Warranty

Dynamite Friction manufactures this rotor to meet or exceed OEM specifications for fit, form, and function. The zinc silver coating provides rust resistance to extend rotor life. Please refer to Dynamite Friction’s warranty policy for coverage details related to manufacturing defects.