Dynamite Friction 633-76142L Disc Brake Rotor - Front Left

Overview of Dynamite Friction DFC Brake Rotor 633-76142L

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Black (part number 633-76142L) is engineered for reliable braking performance on Lexus and Toyota vehicles. Designed specifically for models like the 4Runner, GX460, and Land Cruiser, this vented disc brake rotor offers enhanced heat dissipation and consistent stopping power.

• Disc Type: Vented, drilled and slotted surface
• Finish: Zinc black hat with plain disc finish and rust-resistant coating
• Dimensions: 338 mm outside diameter, 68.4 mm overall height
• Thickness: Nominal 31.8 mm, discard thickness 29 mm
• Bolt Pattern: 6 bolt holes with 139.4 mm bolt circle diameter
• Directional brake surface for optimized performance
• Center hole diameter: 108 mm

Detailed Product Features and Specifications

This DFC Brake Rotor features a vented design that improves airflow to reduce heat buildup during braking, which helps maintain consistent brake performance and reduces the risk of rotor warping. The drilled and slotted surface enhances water and debris evacuation, improving wet-weather braking and reducing brake fade. The rotor’s zinc black hat finish provides corrosion resistance, complemented by a rust-resistant coating on the disc surface to extend service life.

With a nominal thickness of 31.8 mm and a discard thickness of 29 mm, this rotor meets precise wear limits to ensure safe replacement intervals. The 6-bolt hole configuration with a 139.4 mm bolt circle diameter and 14.4 mm stud hole diameter matches factory specifications for Lexus and Toyota 4Runner, GX460, and Land Cruiser models. The directional brake surface is designed to optimize braking efficiency and pad contact.

About the DFC Brake Rotor - Drilled and Slotted - Black Product Line

The DFC Brake Rotor - Drilled and Slotted - Black line by Dynamite Friction focuses on rotors that combine functional design with corrosion resistance. This product line features rotors with drilled and slotted surfaces for improved heat dissipation and braking performance, along with protective finishes such as zinc black hats and rust-resistant coatings. These rotors are engineered to meet or exceed OEM specifications for select Lexus and Toyota vehicles, providing a balance of durability and performance.

Applications and Problem Solving

• Replacement for worn or warped rotors on Lexus 4Runner, GX460, and Land Cruiser
• Improves braking performance in wet or dusty conditions due to drilled and slotted design
• Reduces brake fade during heavy or repeated braking
• Prevents rust and corrosion for longer rotor life
• Maintains proper fitment and alignment with factory bolt pattern and dimensions

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (29 mm) before installation
• Clean rotor surface and hub mounting area to prevent uneven wear
• Use proper torque specifications for 6-bolt installation to avoid warping
• Check compatibility with brake pads designed for drilled and slotted rotors
• Inspect calipers and hardware during rotor replacement for optimal performance

Quality Assurance and Warranty

Dynamite Friction manufactures the 633-76142L rotor to meet strict quality standards, ensuring consistent dimensions and surface finish for reliable braking. The rust-resistant coating and zinc black hat finish contribute to durability under various driving conditions. Warranty details are subject to manufacturer terms and should be verified at the time of purchase.