Dynamite Friction 633-46042L Disc Brake Rotor - Front Left

Overview of DFC Brake Rotor for Buick and Cadillac

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Black (part number 633-46042L) is engineered for precise braking performance on Buick ELR and Cadillac Regal Sportback models. This vented disc brake rotor features a directional, slotted, and drilled surface designed to enhance heat dissipation and maintain consistent stopping power.

• Compatible with Buick ELR and Cadillac Regal Sportback
• Directional drilled and slotted surface for improved brake response
• Vented rotor design to reduce heat buildup
• Rust-resistant zinc black hat finish
• Nominal thickness of 30 mm with a discard thickness of 27 mm
• Five bolt holes with 14 mm diameter and 115 mm bolt circle diameter
• Overall diameter of 345 mm and height of 45.5 mm

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

The DFC Brake Rotor - Drilled and Slotted - Black line by Dynamite Friction focuses on rotors that combine drilled holes and slots with a corrosion-resistant black zinc finish on the hat. This product line is designed to provide enhanced braking performance through improved heat dissipation and debris removal, while the rust-resistant coating helps extend rotor life. The 633-46042L rotor is a vented type, which further aids in cooling during heavy braking conditions.

Technical Specifications and Features

This disc brake rotor features a nominal thickness of 30 mm and a discard thickness of 27 mm, ensuring safe replacement intervals. The rotor’s 345 mm outside diameter and 45.5 mm height are optimized for the specified Buick and Cadillac models. The rotor includes five bolt holes with a 14 mm diameter and a 115 mm bolt circle diameter, matching the factory specifications for secure fitment. The directional surface type, combining drilled holes and slots, helps channel away gases and dust, improving brake pad contact and reducing fade.

Applications and Problem Solving

• Replaces worn or warped rotors on Buick ELR and Cadillac Regal Sportback
• Addresses brake fade caused by excessive heat buildup
• Improves braking performance in wet or dusty conditions through slotted and drilled design
• Prevents rust and corrosion with zinc black hat finish
• Maintains consistent braking feel and pedal response

Installation Notes and Tips

Ensure the rotor thickness is above the discard thickness of 27 mm before installation. Clean the rotor surface to remove any protective coating or residue prior to mounting. Verify bolt hole alignment with the vehicle’s hub using the 115 mm bolt circle diameter and 14 mm bolt hole diameter. Proper torque specifications should be followed to avoid rotor warping. Directional rotors must be installed with the correct rotation direction for optimal performance.

Quality Assurance and Warranty

Dynamite Friction manufactures the 633-46042L rotor to meet OEM standards for fit and function on Buick ELR and Cadillac Regal Sportback vehicles. The rust-resistant coating and vented design contribute to durability and consistent braking performance. Warranty details are provided by the manufacturer and should be consulted for specific coverage information.