Dynamite Friction 920-63140 Disc Brake Rotor - Rear

Overview of Dynamite Friction DFC Hi-Carbon Alloy GEOMET Coated Rotor - Drilled

The Dynamite Friction DFC Hi-Carbon Alloy GEOMET Coated Rotor - Drilled (part number 920-63140) is engineered for Mercedes-Benz ML350, ML400, and ML550 models. This vented disc brake rotor offers precise dimensions and advanced coating technology to support reliable braking performance under demanding conditions.

• Nominal thickness: 22 mm
• Discard thickness: 19.4 mm
• Outside diameter: 330 mm
• Inside diameter: 67.1 mm
• Bolt hole diameter: 15 mm
• Bolt hole quantity: 5
• Height: 54 mm
• Vented rotor design for improved heat dissipation

Detailed Product Features and Specifications

This disc brake rotor is designed with a vented structure to enhance heat dissipation, reducing the risk of brake fade during extended use. The 330 mm outside diameter and 22 mm nominal thickness provide a robust braking surface compatible with the specified Mercedes-Benz models. The rotor’s 5 bolt holes with a 15 mm diameter ensure secure mounting, while the 67.1 mm inside diameter fits precisely within the brake assembly. The GEOMET coating offers corrosion resistance, extending the rotor’s service life and maintaining consistent braking performance.

DFC Hi-Carbon Alloy GEOMET Coated Rotor - Drilled Product Line

The DFC Hi-Carbon Alloy GEOMET Coated Rotor - Drilled line from Dynamite Friction focuses on rotors that combine high-carbon alloy materials with a GEOMET anti-corrosion coating. The drilled design aids in heat and gas dissipation, which is beneficial for maintaining braking efficiency. This product line is tailored for drivers seeking rotors that balance durability and performance, particularly for vehicles like the Mercedes-Benz ML350, ML400, and ML550.

Applications and Problem Solving

• Replacement for worn or warped rotors on Mercedes-Benz ML350, ML400, and ML550
• Improves heat management to reduce brake fade during heavy braking
• Addresses corrosion issues with GEOMET coated surface
• Restores braking precision and pedal feel
• Compatible with OEM specifications for bolt pattern and rotor dimensions

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (19.4 mm) before installation
• Verify bolt hole alignment with vehicle hub (5 holes, 15 mm diameter)
• Clean rotor surface before installation to remove any protective coatings
• Torque bolts to manufacturer specifications for secure fitment
• Inspect brake pads for wear and replace if necessary to optimize rotor performance

Quality Assurance and Warranty

Dynamite Friction rotors undergo rigorous quality control to meet industry standards for fitment and durability. The GEOMET coating enhances corrosion resistance, contributing to longer rotor life. Please refer to Dynamite Friction’s warranty policy for specific coverage details related to the 920-63140 rotor.