Dynamite Friction 631-76129L 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 631-76129L) is engineered for reliable braking performance on select Lexus and Toyota models. Designed specifically for vehicles like the Toyota Highlander and Lexus RX series, this rotor combines vented construction with a directional, drilled and slotted surface to enhance heat dissipation and braking consistency.

• Compatible with Lexus Highlander, RX330, RX350, RX400h and Toyota Highlander models
• Part number 631-76129L for precise fitment
• Vented disc brake rotor with drilled and slotted surface
• Rust-resistant zinc silver hat finish and plain disc finish
• Directional brake surface for optimized performance
• 5 bolt holes with 114.3 mm bolt circle diameter
• Nominal thickness of 28 mm and discard thickness of 26 mm
• Overall diameter of 319 mm and height of 49.3 mm

Details on 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 feature a combination of drilled holes and slots on the braking surface. This design improves water and gas evacuation during braking, which helps maintain consistent pad contact and reduces brake fade. The silver zinc coating on the rotor hat provides corrosion resistance, extending the rotor's service life in various driving conditions. This product line is tailored for drivers seeking a balance between performance and durability in their brake components.

Technical Specifications and Features

This disc brake rotor is vented to allow better airflow and heat dissipation, which is critical for maintaining braking efficiency under heavy use. The rotor’s directional surface pattern, featuring both drilled holes and slots, is engineered to channel away debris and moisture, improving braking response. The rotor’s nominal thickness is 28 mm, with a discard thickness of 26 mm, ensuring safe replacement intervals. The zinc silver hat finish offers rust resistance, while the plain disc finish provides a smooth braking surface. The rotor includes five bolt holes with a bolt circle diameter of 114.3 mm and a center hole diameter of 62 mm, ensuring proper fitment on compatible Lexus and Toyota models.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Lexus RX350 and RX400h
• Improves braking performance on Toyota Highlander models experiencing fade
• Addresses rotor corrosion issues with rust-resistant coating
• Reduces brake noise and vibration caused by uneven rotor surfaces
• Enhances heat dissipation for vehicles used in stop-and-go or mountainous driving

Installation Notes and Tips

When installing the Dynamite Friction 631-76129L rotor, ensure the rotor is mounted with the directional surface facing the correct rotation direction as indicated by the vehicle manufacturer. Verify that the rotor thickness meets or exceeds the nominal thickness of 28 mm and replace if below the discard thickness of 26 mm. Clean the rotor surface before installation to remove any protective coatings or residues. Use proper torque specifications on the 5 lug bolts to avoid warping. It is recommended to replace brake pads simultaneously to ensure optimal braking performance.

Quality Assurance and Warranty

Dynamite Friction manufactures the DFC Brake Rotor - Drilled and Slotted - Silver to meet or exceed OEM specifications for fit, form, and function. The rotor features a rust-resistant zinc silver coating on the hat to extend service life. While specific warranty details are not provided here, Dynamite Friction products typically come with a limited warranty against defects in materials and workmanship. Always consult product documentation or the manufacturer for exact warranty terms.