Dynamite Friction 631-40038L Disc Brake Rotor - Rear Left

Overview of Dynamite Friction DFC Brake Rotor

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-40038L) is engineered for reliable braking performance on select Dodge and Mercedes-Benz vehicles. Designed with a solid, directional surface, this rotor offers enhanced heat dissipation and consistent stopping power for models like the G55 AMG, G500, G550, Sprinter 2500, and Sprinter 3500.

• Disc type: Solid, drilled and slotted surface
• Nominal thickness: 16.2 mm with a discard thickness of 14 mm
• Outside diameter: 272 mm
• Overall height: 96.9 mm
• Hat finish: Zinc silver with rust-resistant coating
• Bolt hole quantity: 5 with 15 mm diameter
• Directional brake surface for optimized performance
• Bolt circle diameter: 130 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 heat dissipation. This design helps reduce brake fade and maintain consistent braking under demanding conditions. The silver zinc coating on the rotor hat provides corrosion resistance, extending the rotor's service life in various environments.

Technical Specifications and Features

This disc brake rotor features a solid construction with a 272 mm outside diameter and a nominal thickness of 16.2 mm, ensuring durability and compatibility with specified vehicles. The drilled and slotted surface type enhances water and debris evacuation, improving braking efficiency. The rotor’s directional design supports optimal airflow and heat management. Additionally, the zinc silver hat finish and rust-resistant coating protect against corrosion, which is critical for maintaining rotor integrity over time.

Compatible Vehicles and Applications

• Compatible with Dodge Sprinter 2500 and Sprinter 3500 models
• Fits Mercedes-Benz G55 AMG, G500, and G550 models
• Ideal for vehicles requiring a 5-lug bolt pattern with 130 mm bolt circle diameter
• Suitable for drivers seeking improved braking performance with drilled and slotted rotors
• Addresses issues such as brake fade, overheating, and uneven pad wear

Installation Notes and Tips

Ensure the rotor is installed on vehicles matching the specified bolt hole quantity and diameter (5 holes, 15 mm diameter) and bolt circle diameter of 130 mm. Verify the rotor’s directional surface orientation during installation for optimal performance. Check that the nominal thickness of 16.2 mm meets or exceeds manufacturer specifications and replace the rotor when thickness reaches the discard limit of 14 mm. Proper torque specifications should be followed to avoid warping.

Quality Assurance and Warranty

Dynamite Friction rotors are manufactured to meet industry standards for durability and performance. The rust-resistant coating and zinc silver hat finish contribute to long-term reliability. While specific warranty details are not provided, Dynamite Friction products typically adhere to quality control processes to ensure consistent product integrity.