Dynamite Friction 631-68019L Disc Brake Rotor - Rear Left

Overview of Dynamite Friction DFC Brake Rotor

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-68019L) is engineered for reliable braking performance on Infiniti QX50 and QX55 models. Designed with a directional slotted and drilled surface, this rotor enhances heat dissipation and braking consistency under various driving conditions.

• Directional slotted and drilled disc surface for improved heat management
• Nominal thickness of 16 mm with a discard thickness of 14 mm
• Rust-resistant zinc silver hat finish for extended durability
• Plain disc finish with a 308 mm outside diameter
• Five bolt holes with a 114.3 mm bolt circle diameter
• Center hole diameter of 68 mm for precise fitment
• Compatible with Infiniti QX50 and QX55 models

Detailed Product Features and Specifications

This DFC Brake Rotor features a directional surface combining drilled holes and slots, which helps to reduce brake fade by allowing gases and debris to escape more efficiently. The rotor’s nominal thickness is 16 mm, with a discard thickness of 14 mm, ensuring a clear maintenance threshold for safe operation. The zinc silver coating on the hat provides corrosion resistance, which is essential for maintaining rotor integrity over time. With a 308 mm outside diameter and a height of 47.26 mm, this rotor is designed to meet the exact specifications required for the Infiniti QX50 and QX55, ensuring proper alignment and fitment with the vehicle’s braking system.

About 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 with a corrosion-resistant finish. This product line is designed to provide enhanced braking performance through improved heat dissipation and surface cleaning, which helps maintain consistent brake pad contact. The silver zinc coating on the rotor hat adds an extra layer of protection against rust, making these rotors suitable for drivers seeking durability and reliable stopping power on their Infiniti QX50 or QX55.

Common Applications and Problem Solving

• Reduces brake fade during extended or aggressive braking
• Helps prevent rotor warping caused by excessive heat buildup
• Improves braking response by maintaining cleaner pad surfaces
• Protects against rust and corrosion for longer rotor life
• Ensures proper fitment and alignment for Infiniti QX50 and QX55 brake systems

Installation Notes and Tips

When installing the Dynamite Friction 631-68019L rotor, ensure the rotor surface is clean and free of any protective coatings before mounting. Verify the bolt hole alignment with the vehicle’s hub using the 5-bolt pattern and 114.3 mm bolt circle diameter. It is recommended to replace brake pads simultaneously to optimize braking performance. Follow manufacturer torque specifications for lug nuts and check rotor thickness regularly to maintain safety standards.

Quality Assurance and Warranty

Dynamite Friction manufactures the 631-68019L rotor to meet or exceed OEM specifications for the Infiniti QX50 and QX55. The rust-resistant zinc silver finish and precise machining contribute to consistent performance and durability. Please refer to Dynamite Friction’s warranty policy for specific coverage details.