Dynamite Friction 631-42030L Disc Brake Rotor - Front Left

Overview of Dynamite Friction DFC Brake Rotor

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-42030L) is engineered for Jeep Wrangler and Wrangler JK models. This vented disc brake rotor features a directional, slotted, and drilled surface designed to enhance braking performance and heat dissipation.

• Compatible with Jeep Wrangler and Wrangler JK
• Directional slotted and drilled surface for improved brake pad bite
• Vented rotor design for efficient heat dissipation
• Rust-resistant zinc silver hat finish
• Nominal thickness of 28 mm with discard thickness at 26.4 mm
• 5 bolt holes with 16.6 mm diameter and 127 mm bolt circle diameter
• Overall diameter of 302 mm and height of 55 mm

Detailed Product Features and Specifications

The 631-42030L rotor from Dynamite Friction is part of the DFC Brake Rotor - Drilled and Slotted - Silver line, which focuses on combining functional design with corrosion resistance. The rotor’s vented construction helps maintain optimal operating temperatures during heavy braking, reducing the risk of brake fade. The drilled and slotted surface improves water and debris evacuation, enhancing braking consistency in various conditions. The zinc silver coating on the hat area provides additional protection against rust, extending the rotor’s service life. This rotor is designed with a 5-lug bolt pattern, 16.6 mm bolt hole diameter, and a 72.1 mm center hole diameter, ensuring precise fitment on Jeep Wrangler and Wrangler JK models.

Applications and Problem Solving

• Replaces worn or warped rotors on Jeep Wrangler and Wrangler JK
• Improves braking performance under wet or dusty conditions
• Reduces brake fade during extended or heavy braking
• Prevents rust and corrosion on rotor hats for longer durability
• Maintains proper rotor thickness for safe braking operation

Installation Notes and Tips

• Verify compatibility with Jeep Wrangler or Wrangler JK before installation
• Check rotor thickness; replace if below discard thickness of 26.4 mm
• Ensure proper torque on 5 lug nuts with 16.6 mm diameter holes
• Inspect brake pads and hardware during rotor replacement
• Follow manufacturer’s recommended break-in procedure for new rotors

Quality Assurance and Warranty

Dynamite Friction’s DFC Brake Rotor line is manufactured to meet or exceed OEM specifications for fit, form, and function. The rust-resistant coating and vented design contribute to reliable performance and longevity. While specific warranty details for part number 631-42030L are not provided here, Dynamite Friction products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or authorized distributors for exact warranty terms.