Dynamite Friction 631-48043L Disc Brake Rotor - Rear Left

Reliable Performance for Chevrolet and GMC Heavy-Duty Trucks

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-48043L) is engineered to provide consistent braking performance for heavy-duty Chevrolet and GMC trucks. Designed specifically for models like the Chevrolet Silverado 3500 HD and GMC Sierra 3500 HD, this vented disc brake rotor offers enhanced heat dissipation and durability.

• Disc Type: Vented, drilled and slotted surface for improved cooling and debris removal
• Nominal Thickness: 30 mm with a discard thickness of 28.5 mm
• Overall Diameter: 325 mm with an overall height of 131.5 mm
• Bolt Pattern: 8 bolt holes with 16.4 mm diameter and 165.1 mm bolt circle diameter
• Rust Resistant Zinc Silver Hat Finish with plain disc finish
• Directional brake surface designed for optimal performance

About the 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 to enhance braking efficiency. This design helps to reduce brake fade by improving heat dissipation and allows for better water and gas evacuation during braking. The zinc silver coating on the rotor hat provides corrosion resistance, extending the rotor's service life in demanding conditions.

Detailed Product Description

This disc brake rotor is specifically designed for heavy-duty applications on Chevrolet Express 3500, GMC Savana 3500, and various 3500 series Silverado and Sierra trucks. The vented rotor construction allows air to flow between the rotor surfaces, reducing heat buildup during braking. The drilled and slotted surface improves pad bite and helps maintain consistent braking performance under load. With an 8-lug bolt pattern and a 16.4 mm bolt hole diameter, the rotor ensures a secure fit on compatible vehicles. The directional surface design optimizes braking efficiency and pad contact.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Chevrolet Silverado 3500 HD and GMC Sierra 3500 HD
• Improves heat dissipation to reduce brake fade during heavy towing or hauling
• Helps prevent rust and corrosion with zinc silver coated hat finish
• Enhances braking response in wet or muddy conditions with drilled and slotted surface
• Restores braking performance on vehicles experiencing uneven pad wear or vibration

Installation Notes and Tips

Ensure the rotor is compatible with your vehicle’s make, model, and year before installation. The 8-lug bolt pattern and 16.4 mm bolt hole diameter must match your hub assembly. Clean the hub surface before mounting the rotor to prevent runout. Use proper torque specifications on lug nuts to avoid rotor warping. Directional rotors should be installed following the indicated rotation direction for optimal performance.

Quality Assurance

Dynamite Friction manufactures the 631-48043L rotor to meet or exceed OEM specifications for fit, form, and function. The rust-resistant coating and vented design contribute to long service life under demanding conditions. While no specific warranty information is provided, this rotor is built to maintain consistent braking performance on Chevrolet and GMC 3500 series trucks.