Dynamite Friction 631-45001L Disc Brake Rotor - Rear Left

Overview of Dynamite Friction DFC Brake Rotor

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-45001L) is engineered for reliable braking performance on select Buick and Cadillac models. Designed with a vented, directional surface, this rotor enhances heat dissipation and braking consistency for vehicles like the Buick LeSabre and Cadillac Seville.

• Vented disc brake rotor with drilled and slotted surface
• Directional braking surface for optimized pad contact
• Rust-resistant zinc silver hat finish
• Nominal thickness of 24.89 mm with discard thickness at 23.01 mm
• Five bolt holes with 13.4 mm diameter and 127 mm bolt circle diameter
• Overall diameter of 283.5 mm and height of 55.9 mm
• Compatible with Buick Commercial Chassis, Fleetwood, LeSabre, Riviera, and Cadillac Seville models

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

The DFC Brake Rotor - Drilled and Slotted - Silver line by Dynamite Friction focuses on rotors that combine drilled holes and slots to improve brake pad bite and reduce heat buildup. This product line is designed to provide consistent braking performance while resisting rust and corrosion, thanks to its zinc silver coating on the rotor hat. The vented design further aids in heat dissipation, making it suitable for vehicles requiring reliable stopping power under varied driving conditions.

Technical Specifications and Features

This disc brake rotor features a nominal thickness of 24.89 mm and a discard thickness of 23.01 mm, ensuring a long service life before replacement is necessary. The rotor's 283.5 mm outside diameter and 55.9 mm overall height fit precisely on compatible Buick and Cadillac models. The rotor includes five bolt holes with a diameter of 13.4 mm arranged on a 127 mm bolt circle diameter, matching the stud/lug hole pattern for secure installation. The directional slotted and drilled surface improves brake pad cleaning and gas venting, enhancing braking efficiency and reducing fade.

Compatible Vehicles and Applications

• Buick Commercial Chassis
• Buick Fleetwood
• Buick LeSabre
• Buick Riviera
• Cadillac Seville

This rotor is designed to address common braking issues such as:

• Brake fade caused by excessive heat buildup
• Uneven pad wear due to poor surface contact
• Corrosion and rust on rotor surfaces
• Reduced braking performance from gas and dust accumulation
• Vibration or noise during braking

Installation Notes and Tips

Ensure the rotor surface is clean and free of debris before installation. Verify the bolt hole pattern and diameter match your vehicle’s specifications. Use proper torque settings on lug nuts to avoid rotor warping. It is recommended to replace brake pads when installing new rotors to maintain optimal braking performance.

Quality Assurance and Warranty

Dynamite Friction manufactures this rotor with rust-resistant coatings and precise machining to meet OEM standards. While specific warranty details are not provided, the product is designed for durability and consistent performance on compatible Buick and Cadillac vehicles.