Dynamite Friction 631-54190L Disc Brake Rotor - Front Left

Overview of Dynamite Friction DFC Brake Rotor

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver offers reliable braking performance for Ford trucks. Designed specifically for Ford Excursion, F-250 Super Duty, and F-350 Super Duty models, this rotor ensures consistent stopping power under demanding conditions.

• Part Number: 631-54190L
• Disc Type: Vented, drilled and slotted surface
• Nominal Thickness: 38 mm with a discard thickness of 36 mm
• Outside Diameter: 331 mm
• Overall Height: 143.5 mm
• Hat Finish: Zinc silver with rust-resistant coating
• Bolt Hole Quantity: 8 with 14x1.5 mm diameter
• Directional brake surface for optimized performance

Features of the DFC Brake Rotor - Drilled and Slotted - Silver

This rotor is engineered with a vented design to improve heat dissipation during braking, reducing the risk of brake fade. The drilled and slotted surface enhances water and debris evacuation, maintaining consistent friction and braking efficiency. The zinc silver hat finish combined with a rust-resistant coating helps protect against corrosion, extending the rotor's service life.

Detailed Product Description

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-54190L) is a precision-engineered disc brake rotor designed for heavy-duty Ford trucks including the Excursion, F-250 Super Duty, and F-350 Super Duty. Its vented rotor construction allows for improved airflow, which helps maintain optimal operating temperatures during heavy braking. The rotor features a directional surface pattern with drilled holes and slots that aid in heat dissipation and removal of brake dust and moisture. With an outside diameter of 331 mm and a nominal thickness of 38 mm, this rotor meets strict specifications to ensure proper fit and function. The zinc silver hat finish and rust-resistant coating provide additional durability against environmental elements. The rotor’s 8-bolt hole configuration with a 14x1.5 mm bolt hole diameter and 170 mm bolt circle diameter ensures compatibility with specified Ford models.

Applications and Problem Solving

• Replacement for worn or warped rotors on Ford Excursion, F-250 Super Duty, and F-350 Super Duty
• Improves braking performance under heavy load or towing conditions
• Reduces brake fade caused by overheating during extended braking
• Helps prevent corrosion-related rotor damage with rust-resistant coating
• Maintains consistent braking response in wet or debris-prone environments

Installation Notes and Tips

Ensure the rotor thickness is above the discard thickness of 36 mm before installation. Clean the rotor surface to remove any protective coatings or contaminants prior to mounting. Verify bolt hole alignment with the vehicle’s hub using the 8-bolt, 14x1.5 mm pattern. Properly torque lug nuts to manufacturer specifications to avoid rotor warping. It is recommended to inspect brake pads and hardware during rotor replacement for optimal braking system performance.

Quality Assurance

Dynamite Friction manufactures the DFC Brake Rotor - Drilled and Slotted - Silver to meet or exceed OEM standards for fit, form, and function. The rotor’s rust-resistant coating and zinc silver hat finish contribute to long-term durability. While no specific warranty information is provided, Dynamite Friction products are engineered for reliable performance in demanding applications on Ford Excursion, F-250 Super Duty, and F-350 Super Duty trucks.