Dynamite Friction 631-47026R Disc Brake Rotor - Front Right

Overview of Dynamite Friction DFC Brake Rotor

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-47026R) is engineered for reliable braking performance on select Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac vehicles. Designed with a vented, directional surface, this rotor enhances heat dissipation and braking consistency under demanding conditions.

• Disc type: Vented disc brake rotor with drilled and slotted surface
• Nominal thickness: 32.3 mm with discard thickness at 30.7 mm
• Overall diameter: 278 mm with 5 bolt holes (16.3 mm diameter)
• Rust-resistant zinc silver hat finish and plain disc finish
• Directional brake surface optimized for improved pad contact and debris removal
• Compatible with multiple GM models including Buick LeSabre, Cadillac DeVille, Chevrolet Camaro, and Pontiac Firebird

Detailed Product Features and Specifications

This Dynamite Friction rotor features a vented design that promotes efficient heat dissipation, reducing the risk of brake fade during extended use. The drilled and slotted surface improves water and gas evacuation, maintaining consistent braking performance in wet or high-temperature conditions. The rotor’s directional surface ensures proper orientation for optimal braking efficiency. With a nominal thickness of 32.3 mm and a discard thickness of 30.7 mm, it meets OEM specifications for durability and safety.

The zinc silver coating on the rotor hat provides corrosion resistance, extending the rotor’s service life. The rotor includes five bolt holes with a diameter of 16.3 mm and a bolt circle diameter of 118 mm, designed to fit securely on compatible GM vehicles. The overall height and rotor height are both 52 mm, with a center hole diameter of 70.7 mm, ensuring proper fitment and alignment.

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 for enhanced braking performance. This product line is designed to improve heat dissipation and reduce brake fade, making it suitable for drivers who require consistent stopping power. The silver zinc coating on the rotor hat adds rust resistance, which is beneficial for vehicles exposed to varying weather conditions.

Compatible Vehicles and Applications

• Buick models including LeSabre and Park Avenue
• Cadillac models such as DeVille, Eldorado, Seville, and Allante
• Chevrolet models including Camaro and Lumina APV
• Oldsmobile 88 and 98 series
• Pontiac Firebird, Bonneville, and Trans Sport

Common Issues Addressed by This Rotor

• Brake fade caused by overheating during extended braking
• Uneven brake pad wear due to poor rotor surface design
• Corrosion and rust buildup on rotor hats and surfaces
• Reduced braking efficiency in wet or humid conditions
• Vibration or noise from warped or damaged rotors

Installation Notes and Tips

Ensure the rotor is installed with the directional surface oriented correctly according to the vehicle’s rotation. Verify bolt hole alignment with the vehicle’s hub using the 5-bolt pattern and 118 mm bolt circle diameter. Check rotor thickness before installation to confirm it is above the discard thickness of 30.7 mm. Clean the rotor surface to remove any protective coatings or debris before mounting brake pads. Proper torque specifications should be followed to avoid rotor warping.

Quality Assurance and Warranty

Dynamite Friction manufactures this rotor to meet or exceed OEM standards for fit, form, and function. The rust-resistant zinc silver coating on the rotor hat enhances durability against corrosion. While specific warranty details are not provided, Dynamite Friction products typically undergo rigorous quality control to ensure reliable braking performance on compatible Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac vehicles.