Dynamite Friction 631-54188L Disc Brake Rotor - Rear Left

Overview of Dynamite Friction DFC Brake Rotor

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-54188L) is engineered for reliable braking performance on Ford and Lincoln trucks. Designed specifically for models like the Ford F-150, F-150 Heritage, and Lincoln Mark LT, this rotor combines vented construction with a directional, drilled and slotted surface to enhance heat dissipation and braking consistency.

• Compatible with Ford F-150, F-150 Heritage, and Lincoln Mark LT
• Part Number: 631-54188L
• Vented disc brake rotor with drilled and slotted surface
• Nominal thickness: 20 mm; discard thickness: 18.5 mm
• Overall diameter: 348 mm; height: 86 mm
• Directional brake surface for optimized performance
• Zinc silver hat finish with rust-resistant coating
• 6 bolt holes with 15.3 mm diameter and 135 mm bolt circle diameter

Detailed Product Features and Specifications

This DFC Brake Rotor - Drilled and Slotted - Silver is a vented disc brake rotor designed to improve heat dissipation during braking, reducing the risk of brake fade. The rotor features a directional surface with both drilled holes and slots, which help evacuate gases, dust, and water from the braking surface. The nominal thickness of 20 mm ensures durability, while the discard thickness of 18.5 mm indicates when replacement is necessary. The rotor’s overall diameter measures 348 mm with a height of 86 mm, fitting precisely on compatible Ford and Lincoln models.

The rotor’s hat is finished in zinc silver, providing corrosion resistance, complemented by a rust-resistant coating on the disc surface. It includes six bolt holes with a diameter of 15.3 mm arranged on a 135 mm bolt circle diameter, matching the stud/lug hole pattern of the specified vehicles. The center hole diameter is 90 mm, ensuring proper hub fitment.

About the DFC Brake Rotor - Drilled and Slotted - Silver Line

The DFC Brake Rotor - Drilled and Slotted - Silver product line by Dynamite Friction focuses on rotors that combine drilled and slotted surfaces with vented construction. This design aims to enhance braking performance by improving heat dissipation and maintaining cleaner contact surfaces. The silver zinc finish on the hat and rust-resistant coating on the disc extend the rotor’s service life by protecting against corrosion, making it suitable for trucks like the Ford F-150 and Lincoln Mark LT that may encounter varied driving conditions.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Ford F-150, F-150 Heritage, and Lincoln Mark LT
• Improves braking performance under heavy load or towing conditions
• Reduces brake fade caused by excessive heat buildup
• Helps prevent rust and corrosion on braking surfaces
• Addresses vibration or noise issues related to rotor surface wear

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (18.5 mm) before installation
• Clean hub surface and rotor mounting area to prevent runout
• Torque lug nuts to manufacturer specifications for proper fitment
• Check compatibility with vehicle’s brake caliper and hardware
• Inspect brake pads for wear and replace if necessary during rotor installation

Quality Assurance and Warranty

Dynamite Friction manufactures the 631-54188L rotor to meet OEM specifications for fitment and performance on Ford and Lincoln trucks. The rust-resistant coating and zinc silver hat finish contribute to durability and corrosion resistance. While specific warranty details are not provided, Dynamite Friction products typically adhere to industry standards for quality and reliability.