Dynamite Friction 631-76138L Disc Brake Rotor - Front Left

Overview of DFC Brake Rotor - Drilled and Slotted - Silver

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-76138L) is engineered for reliable braking performance on select Lexus and Toyota models. Designed with a vented, directional surface, this rotor enhances heat dissipation and braking consistency for vehicles like the Lexus RX350 and Toyota Highlander.

• Disc type: Vented disc brake rotor with drilled and slotted surface
• Finish: Plain disc surface with zinc silver hat finish and rust-resistant coating
• Dimensions: 328 mm outside diameter, 49.4 mm overall height
• Thickness: Nominal 28 mm, discard thickness 25 mm
• Mounting: 5 bolt holes with 114.3 mm bolt circle diameter
• Directional brake surface for optimized performance
• Center hole diameter: 62 mm

Detailed Product Description

The DFC Brake Rotor - Drilled and Slotted - Silver from Dynamite Friction is designed to meet the braking demands of Lexus and Toyota vehicles including the Highlander, NX200t, NX300, NX300h, RX350, RX450h, and Sienna. This rotor features a vented design that improves airflow to reduce heat buildup during braking, which helps maintain consistent stopping power and reduces the risk of brake fade.

The rotor surface is both drilled and slotted, providing enhanced water and debris evacuation while improving pad bite and brake response. The directional pattern ensures optimal performance when installed correctly. The rotor’s plain disc finish combined with a zinc silver hat finish and rust-resistant coating helps protect against corrosion, extending the rotor’s service life.

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 for improved heat dissipation and debris removal. This product line is designed to provide a balance between performance and durability, making it suitable for daily driving and moderate performance applications on compatible Lexus and Toyota models.

Common Applications and Problem Solving

• Reduces brake fade caused by excessive heat buildup
• Improves braking performance in wet or debris-prone conditions
• Minimizes rotor warping and extends rotor lifespan
• Addresses uneven brake pad wear due to improved surface contact
• Helps maintain consistent stopping power for SUVs and crossovers

Installation Notes and Tips

• Ensure correct rotor orientation to match the directional surface pattern
• Verify bolt hole alignment with 5-lug, 114.3 mm bolt circle diameter hubs
• Check rotor thickness before installation; replace if below 25 mm discard thickness
• Use proper torque specifications for lug nuts to avoid rotor damage
• Inspect brake pads and hardware during rotor replacement for optimal performance

Quality Assurance and Warranty

Dynamite Friction manufactures the 631-76138L rotor to meet industry standards for durability and performance. The rotor includes a rust-resistant coating to protect against corrosion. Warranty details should be confirmed with the product documentation or supplier, as coverage may vary.