Dynamite Friction 631-46022L Disc Brake Rotor - Front Left

Overview of Dynamite Friction DFC Brake Rotor

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-46022L) is engineered for reliable braking performance on select Buick, Cadillac, and Chevrolet vehicles. Designed with a vented, directional surface, this rotor enhances heat dissipation and braking consistency for models like the Buick LaCrosse and Chevrolet Impala.

• Disc type: Vented disc brake rotor with drilled and slotted surface
• Nominal thickness: 30 mm with discard thickness at 28.6 mm
• Overall diameter: 323 mm, height: 52.3 mm
• Bolt pattern: 5 lug holes with 14.3 mm diameter, 115 mm bolt circle diameter
• Rust resistant zinc silver hat finish and plain disc finish
• Directional brake surface optimized for heat and debris management

Detailed Product Features and Specifications

This DFC Brake Rotor - Drilled and Slotted - Silver is constructed with a vented design to improve airflow and reduce heat buildup during braking. The rotor features a drilled and slotted surface that helps evacuate gases, dust, and water, contributing to consistent brake pad contact and improved stopping power. The rotor’s nominal thickness is 30 mm, with a discard thickness of 28.6 mm, ensuring durability and safety over its service life.

The rotor measures 323 mm in outside diameter and 52.3 mm in overall height, fitting vehicles with a 5-lug bolt pattern spaced on a 115 mm bolt circle diameter. The bolt hole diameter and stud/lug hole diameter are both 14.3 mm, matching the specifications for compatible Buick, Cadillac, and Chevrolet models. The zinc silver coating on the rotor hat provides rust resistance, extending the rotor’s lifespan in various driving conditions.

Compatible Vehicles and Applications

This brake rotor is compatible with the following makes and models:

• Buick LaCrosse
• Cadillac DTS and Lucerne
• Chevrolet Allure, Impala, and Impala Limited

It is designed to address common braking issues such as:

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

Installation Notes and Tips

When installing the 631-46022L rotor, ensure the rotor surface is clean and free of any protective coatings before mounting. Verify the bolt pattern and lug hole dimensions match your vehicle’s specifications. Proper torque settings on lug nuts are essential to avoid rotor warping. It is recommended to replace brake pads simultaneously to maintain optimal braking performance.

Quality Assurance and Warranty

Dynamite Friction’s DFC Brake Rotor line is manufactured to meet or exceed OEM standards for fit, form, and function. The rust-resistant coating and vented design contribute to long-term durability. Warranty details are provided by the manufacturer and should be confirmed at the time of purchase.