Dynamite Friction 631-72054L Disc Brake Rotor - Rear Left

Overview of Dynamite Friction DFC Brake Rotor

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-72054L) is engineered for reliable braking performance on Mitsubishi Montero and Montero Sport models. This solid disc brake rotor features a directional, slotted, and drilled surface designed to enhance heat dissipation and maintain consistent stopping power.

• Compatible with Mitsubishi Montero and Montero Sport
• Part Number: 631-72054L
• Solid disc rotor with drilled and slotted surface
• Nominal thickness: 18 mm; discard thickness: 16.4 mm
• Overall height: 84.2 mm; outside diameter: 315 mm
• Zinc silver hat finish with rust-resistant coating
• 6 bolt holes with 139.7 mm bolt circle diameter
• Directional brake surface for optimized performance

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. The silver zinc coating on the rotor hat provides corrosion resistance, extending rotor life. This product line is designed to meet the demands of drivers who require consistent braking performance under various driving conditions, specifically tailored for vehicles like the Mitsubishi Montero and Montero Sport.

Technical Specifications and Features

This rotor is a solid type with a nominal thickness of 18 mm and a discard thickness of 16.4 mm, ensuring a clear maintenance threshold. The rotor’s outside diameter measures 315 mm, with an overall height of 84.2 mm. It features a directional surface pattern combining drilled holes and slots to aid in heat dissipation and debris removal, which helps maintain braking efficiency. The rotor hat is finished in zinc silver, providing rust resistance, and the rotor includes six bolt holes with a 139.7 mm bolt circle diameter, matching the stud/lug hole pattern of the specified Mitsubishi models.

Applications and Problem Solving

• Replacement rotor for worn or warped brake rotors on Mitsubishi Montero and Montero Sport
• Improves heat dissipation to reduce brake fade during heavy braking
• Slotted and drilled design helps remove brake dust and gases for consistent pad contact
• Rust-resistant coating extends rotor lifespan in corrosive environments
• Directional surface optimizes braking performance and pad wear

Installation Notes and Tips

Ensure the rotor is installed with the directional surface facing the correct rotation direction as indicated by the vehicle manufacturer. Verify that the rotor thickness is above the discard thickness of 16.4 mm before installation. Clean the rotor surface to remove any protective coating or debris prior to mounting. Use proper torque specifications for the 6 bolt holes to secure the rotor firmly to the hub.

Quality Assurance

Dynamite Friction manufactures this rotor to meet OEM specifications for fit and function on Mitsubishi Montero and Montero Sport vehicles. The rust-resistant zinc silver coating and precise machining contribute to durability and consistent braking performance. Warranty information is not specified for this part number 631-72054L; please consult the manufacturer or distributor for details.