Dynamite Friction 631-52010L Disc Brake Rotor - Rear Left

Overview of DFC Brake Rotor - Drilled and Slotted - Silver

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-52010L) is engineered for reliable braking performance on select Buick, Cadillac, Oldsmobile, and Pontiac models. Designed with a directional, slotted and drilled surface, this rotor supports effective heat dissipation and consistent stopping power.

• Disc type: Solid disc brake rotor with drilled and slotted surface
• Nominal thickness: 11 mm; discard thickness: 9 mm
• Overall height: 38.5 mm; outside diameter: 281 mm
• Hat finish: Zinc silver with rust-resistant coating
• Bolt hole quantity: 5; bolt hole diameter: 13.1/16.3 mm
• Center hole diameter: 70.7 mm; bolt circle diameter: 115/118 mm
• Directional brake surface for optimized braking performance

Detailed Product Description

This Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver is a solid rotor designed to meet the braking demands of vehicles such as the Buick LeSabre, Cadillac DeVille, Oldsmobile Regency, and Pontiac Bonneville. The rotor features a plain disc finish combined with a zinc silver hat finish that includes a rust-resistant coating to help extend service life. The drilled and slotted surface improves heat dissipation and helps reduce brake fade under demanding conditions. With a nominal thickness of 11 mm and a discard thickness of 9 mm, this rotor maintains structural integrity while providing consistent braking performance. The directional design of the braking surface ensures proper alignment for optimal pad contact and efficient water and debris evacuation.

DFC Brake Rotor Product Line Details

The DFC Brake Rotor - Drilled and Slotted - Silver line from Dynamite Friction focuses on rotors that combine drilled holes and slots to enhance braking efficiency and rotor cooling. This product line is tailored for drivers who require rotors that manage heat buildup effectively while maintaining durability. The silver zinc coating on the hat area provides corrosion resistance, making these rotors suitable for vehicles exposed to varying weather conditions.

Applications and Problem Solving

• Replacement for worn or warped rotors on Buick Allante and Cadillac Eldorado
• Improves braking response on Pontiac Riviera and Oldsmobile Toronado
• Reduces brake fade during extended braking on Cadillac Seville
• Helps prevent rust and corrosion on Park Avenue and Aurora models
• Maintains consistent braking performance for vehicles with 5-lug bolt patterns

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 5-lug pattern and confirm the bolt circle diameter matches the vehicle specifications. Clean the rotor surface before installation to remove any protective coatings or residues. Check the rotor thickness to ensure it is above the discard thickness of 9 mm before installation.

Quality Assurance

Dynamite Friction manufactures the 631-52010L rotor to meet industry standards for durability and performance. The rust-resistant zinc silver coating on the hat and the solid rotor construction contribute to long service life. While no specific warranty information is provided, this rotor is designed to comply with OEM fitment and quality requirements for Buick, Cadillac, Oldsmobile, and Pontiac vehicles.