Dynamite Friction 631-76121L 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 631-76121L) is engineered for Toyota 4Runner and Tacoma models. This vented disc brake rotor features a directional, slotted and drilled surface designed to enhance braking performance and heat dissipation.

• Nominal thickness: 21.7 mm with a discard thickness of 20 mm
• Overall height and rotor height: 70.5 mm
• Outside diameter: 297 mm
• Vented rotor design for improved cooling
• Directional slotted and drilled surface for debris removal and heat management
• Zinc silver hat finish with rust-resistant coating
• 6 bolt holes with a bolt circle diameter of 139.7 mm
• Center hole diameter: 108 mm
• Stud/lug hole diameter: 14.6 mm, quantity: 6

Detailed Product Description

The DFC Brake Rotor - Drilled and Slotted - Silver from Dynamite Friction is specifically designed to meet the braking demands of Toyota 4Runner and Tacoma vehicles. Its vented rotor construction allows for efficient heat dissipation during braking, reducing the risk of brake fade under heavy use. The directional slotted and drilled surface helps channel away water, dust, and brake dust, maintaining consistent contact between the brake pad and rotor surface. The zinc silver hat finish combined with a rust-resistant coating protects the rotor from corrosion, extending its service life. With precise fitment ensured by the 6-bolt hole pattern and exact dimensions, this rotor is a reliable replacement part for compatible Toyota models.

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 with a vented design to improve braking efficiency and rotor cooling. This product line is tailored for drivers who require rotors that manage heat and debris effectively, which is critical for maintaining braking performance in Toyota 4Runner and Tacoma vehicles. The silver zinc finish and rust-resistant coating are standard features in this line, providing durability and corrosion resistance.

Common Applications and Issues Addressed

• Replacement for worn or warped rotors on Toyota 4Runner and Tacoma
• Improves heat dissipation to reduce brake fade during heavy braking
• Helps prevent brake pad glazing by maintaining a clean rotor surface
• Reduces rust and corrosion buildup on rotor hats and surfaces
• Restores proper braking performance and pedal feel

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness of 20 mm before installation
• Clean rotor surface before mounting to remove any protective coatings
• Torque lug nuts to manufacturer specifications for Toyota 4Runner and Tacoma
• Inspect brake pads and replace if worn to ensure optimal rotor performance
• Check for proper alignment of bolt holes and center hole diameter (108 mm) during installation

Quality Assurance and Warranty

Dynamite Friction manufactures the 631-76121L rotor to meet or exceed OEM specifications for Toyota 4Runner and Tacoma vehicles. The rust-resistant coating and zinc silver hat finish contribute to long-term durability. While specific warranty details are not provided, Dynamite Friction products typically undergo rigorous quality control to ensure reliable performance and fitment.