Dynamite Friction 631-54172L Disc Brake Rotor - Front Left

Overview of Dynamite Friction DFC Brake Rotor

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-54172L) is engineered for reliable braking performance on Ford Explorer Sport and Explorer Sport Trac models. This vented disc brake rotor features a directional, slotted, and drilled surface designed to enhance heat dissipation and maintain consistent stopping power.

• Compatible with Ford Explorer Sport and Explorer Sport Trac
• Part Number: 631-54172L
• Vented disc brake rotor with drilled and slotted surface
• Nominal thickness: 26.2 mm; discard thickness: 24.5 mm
• Rust resistant zinc silver hat finish with plain disc finish
• 5 bolt holes with 1/2-20 diameter and 114.3 mm bolt circle diameter
• Directional brake surface for optimized performance
• Overall diameter: 305 mm; height: 108 mm; center hole diameter: 70.4 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 combine drilled holes and slots to improve brake pad bite and reduce heat buildup. This product line is designed to provide enhanced braking efficiency and durability, particularly for vehicles like the Ford Explorer Sport and Explorer Sport Trac that demand reliable stopping power under varied driving conditions.

Technical Specifications and Features

This disc brake rotor is vented to allow better airflow, which helps dissipate heat during braking and reduces the risk of brake fade. The rotor’s surface is both drilled and slotted, which aids in removing brake dust, gases, and water from the contact area, improving braking consistency. The rotor features a rust-resistant zinc silver finish on the hat and a plain finish on the disc, extending the rotor’s service life. With a nominal thickness of 26.2 mm and a discard thickness of 24.5 mm, this rotor meets precise wear limits for safe operation. The 5-bolt hole pattern with a 1/2-20 diameter and 114.3 mm bolt circle diameter ensures proper fitment on compatible Ford models.

Applications and Problem Solving

• Replaces worn or warped rotors on Ford Explorer Sport and Explorer Sport Trac
• Addresses brake fade caused by excessive heat buildup
• Improves braking performance in wet or dusty conditions
• Reduces brake noise and vibration through vented design
• Prevents rust and corrosion with protective zinc silver coating

Installation Notes and Tips

Ensure the rotor thickness is above the discard thickness of 24.5 mm before installation. Clean the rotor surface to remove any protective coating or debris prior to mounting. Verify the 5-lug bolt pattern and 114.3 mm bolt circle diameter match your vehicle’s specifications. Properly torque lug nuts to manufacturer specifications to avoid rotor warping. It is recommended to replace brake pads when installing new rotors for optimal braking performance.

Quality Assurance

Dynamite Friction manufactures this rotor to meet or exceed OEM standards for fit, form, and function. The rust-resistant coating and vented design contribute to long-term durability. While no specific warranty information is provided, the rotor is engineered for consistent performance on Ford Explorer Sport and Explorer Sport Trac vehicles when installed and maintained according to guidelines.