Dynamite Friction 631-67040L Disc Brake Rotor - Front Left

Overview of the DFC Brake Rotor - Drilled and Slotted - Silver

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-67040L) is engineered for reliable braking performance on select Nissan and INFINITI vehicles. Designed with a vented, directional surface, this rotor enhances heat dissipation and braking consistency for models like the Nissan Altima, G20, and Sentra.

• Compatible with Nissan Altima, G20, Sentra and INFINITI models
• Part number 631-67040L for precise fitment
• Vented disc brake rotor with drilled and slotted surface
• Rust-resistant zinc silver hat finish and plain disc finish
• Directional braking surface for optimized performance
• Four bolt holes with 114.3 mm bolt circle diameter
• Nominal thickness of 22 mm and discard thickness of 20 mm
• Overall diameter of 280 mm and height of 49.2 mm

Detailed Product Features and Specifications

This DFC Brake Rotor - Drilled and Slotted - Silver is a vented disc brake rotor designed to improve heat dissipation during braking, reducing the risk of brake fade. The rotor features a directional surface with both drilled holes and slots, which help evacuate gases, dust, and water for consistent braking performance. The rotor’s nominal thickness is 22 mm, with a discard thickness of 20 mm, ensuring safe replacement intervals. The zinc silver coating on the hat provides rust resistance, extending the rotor’s service life, while the plain finish on the disc surface maintains structural integrity.

With four bolt holes and a bolt circle diameter of 114.3 mm, this rotor fits securely on compatible Nissan and INFINITI models. The center hole diameter measures 68 mm, and the stud/lug hole diameter is 12.75 mm, matching factory specifications for proper installation. The overall diameter of 280 mm and height of 49.2 mm align with OEM dimensions for a direct replacement.

DFC Brake Rotor - Drilled and Slotted - Silver Product Line

The DFC Brake Rotor - Drilled and Slotted - Silver line from Dynamite Friction focuses on rotors that combine drilled holes and slots with a vented design. This combination is intended to improve braking efficiency by enhancing heat dissipation and surface cleaning during operation. The silver zinc coating on the rotor hat adds corrosion resistance, making these rotors suitable for drivers seeking a balance between performance and durability on their Nissan Altima, G20, or Sentra vehicles.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Improved heat management to reduce brake fade during heavy use
• Enhanced water and debris evacuation for consistent braking in wet conditions
• Corrosion resistance to extend rotor lifespan in humid or salty environments
• Restoring proper braking performance on Nissan Altima, G20, and Sentra models

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (20 mm) before installation
• Clean mounting surface and hub to prevent rotor runout
• Torque lug nuts to manufacturer specifications for secure fitment
• Check compatibility with vehicle’s brake caliper and hardware
• Perform a bed-in procedure after installation to optimize rotor and pad contact

Quality Assurance and Warranty

Dynamite Friction manufactures the 631-67040L rotor to meet or exceed OEM standards for fit, form, and function. The rust-resistant zinc silver coating on the rotor hat helps maintain structural integrity over time. While specific warranty details are not provided, Dynamite Friction products typically undergo rigorous quality control to ensure reliable braking performance on Nissan and INFINITI vehicles.