Dynamite Friction 631-48044R Disc Brake Rotor - Front Right

Overview of Dynamite Friction DFC Brake Rotor

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-48044R) is engineered for reliable braking performance on select Buick, Chevrolet, GMC, Isuzu, and Oldsmobile models. Designed with a vented, directional surface, this rotor enhances heat dissipation and braking consistency for vehicles like the Trailblazer, Envoy, and Ascender.

• Disc type: Vented disc brake rotor with drilled and slotted surface
• Nominal thickness: 29.2 mm with discard thickness at 27.5 mm
• Overall diameter: 305 mm (outside diameter)
• Directional brake surface for optimized performance
• Hat finish: Zinc silver coating for corrosion resistance
• Rust resistant coating applied to extend rotor life
• 6 bolt holes with 13.1 mm diameter and 127 mm bolt circle diameter
• Center hole diameter: 79 mm
• Surface finish: Plain disc with slotted and drilled pattern

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

The DFC Brake Rotor - Drilled and Slotted - Silver line from Dynamite Friction focuses on rotors that combine drilled holes and slots to improve brake pad bite and heat dissipation. This design helps reduce brake fade and maintain consistent stopping power under demanding conditions. The zinc silver hat finish and rust resistant coating contribute to durability, making this rotor suitable for vehicles that require dependable braking performance over time.

Product Specifications and Features

This disc brake rotor features a vented design with a 305 mm outside diameter and a nominal thickness of 29.2 mm, ensuring effective heat management during braking. The directional slotted and drilled surface enhances water and debris evacuation, improving braking response in wet or dusty environments. The rotor includes six bolt holes with a 13.1 mm diameter and a 127 mm bolt circle diameter, compatible with specific Buick, Chevrolet, GMC, Isuzu, and Oldsmobile models such as the Bravada and Rainier.

Compatible Vehicles and Applications

• Buick Ascender
• Chevrolet Trailblazer
• GMC Envoy
• Isuzu Ascender
• Oldsmobile Bravada
• GMC Rainier

This rotor is designed to replace worn or damaged rotors on these models, restoring braking efficiency and safety.

Common Issues Addressed by This Rotor

• Brake fade caused by overheating during heavy braking
• Uneven rotor wear leading to vibration or noise
• Corrosion and rust buildup reducing rotor lifespan
• Poor braking performance in wet or dusty conditions
• Warped rotors causing pedal pulsation

Installation Notes and Tips

Ensure the rotor surface is clean and free of oil or debris before installation. Verify bolt hole alignment with the vehicle hub and torque lug nuts to manufacturer specifications. Because this rotor features a directional surface, install it according to the indicated rotation direction to maintain optimal performance. Check the rotor thickness and discard thickness to confirm suitability for reuse or replacement.

Quality Assurance and Warranty

Dynamite Friction rotors are manufactured to meet or exceed OEM specifications, including rust resistant coatings and precise machining tolerances. The 631-48044R rotor undergoes quality control inspections to ensure consistent performance. Warranty details should be confirmed with the product documentation or supplier.