Dynamite Friction 631-54165R Disc Brake Rotor - Front Right

Overview of Dynamite Friction DFC Brake Rotor

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-54165R) is engineered for reliable braking performance on Ford and Mazda trucks. Designed specifically for models like the Ford Ranger and Mazda B2500, B3000, and B4000, this rotor combines vented construction with a directional, drilled and slotted surface to enhance heat dissipation and braking consistency.

• Disc type: Vented disc brake rotor
• Surface finish: Slotted and drilled for improved cooling
• Rust resistant zinc silver hat finish
• Nominal thickness: 26.1 mm with discard thickness at 24.5 mm
• Five 1/2-20 bolt holes with 114.3 mm bolt circle diameter
• Directional brake surface for optimized performance
• Overall diameter: 261 mm; height: 108 mm
• Center hole diameter: 70.4 mm

Detailed Product Description

This DFC Brake Rotor - Drilled and Slotted - Silver is part of Dynamite Friction's DFC line, which focuses on delivering rotors with enhanced heat management and durability. The vented rotor design allows air to flow between the rotor faces, reducing heat buildup during braking. The drilled and slotted surface improves water and debris evacuation, helping maintain consistent brake pad contact and reducing brake fade. The zinc silver coating on the rotor hat provides corrosion resistance, extending the rotor's service life in various driving conditions.

With a nominal thickness of 26.1 mm and a discard thickness of 24.5 mm, this rotor meets the specifications required for safe and effective braking. The directional surface pattern is designed to optimize braking performance when installed correctly, making it essential to follow installation orientation guidelines.

Compatible Vehicles and Applications

• Ford Ranger (various model years)
• Mazda B2500
• Mazda B3000
• Mazda B4000

This rotor is ideal for drivers seeking replacement parts that match OEM specifications for these Ford and Mazda trucks, ensuring proper fit and function.

Common Issues Addressed by This Rotor

• Brake fade caused by excessive heat buildup
• Uneven brake pad wear due to poor rotor surface design
• Corrosion and rust on rotor hats reducing lifespan
• Reduced braking efficiency in wet conditions
• Vibration or noise from warped or damaged rotors

Installation Notes and Tips

Ensure the rotor is installed with the directional surface facing the correct rotation direction as indicated by the manufacturer. Verify that the rotor thickness is above the discard thickness before installation. Clean the rotor surface to remove any protective coatings or debris prior to mounting. Use proper torque specifications on the 1/2-20 bolts to secure the rotor firmly. It is recommended to inspect brake pads and hardware during rotor replacement for optimal braking system performance.

Quality Assurance

Dynamite Friction manufactures the DFC Brake Rotor line to meet or exceed industry standards for durability and performance. The rust-resistant coating and vented design contribute to extended rotor life. While specific warranty details are not provided, this rotor is engineered to maintain consistent braking performance under normal operating conditions for Ford Ranger and Mazda B-series trucks.