Dynamite Friction 631-63165L Disc Brake Rotor - Rear Left

Overview of DFC Brake Rotor - Drilled and Slotted - Silver

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver offers reliable braking performance for Mercedes-Benz S400, S450, S550, and S560 models. Designed with a directional slotted and drilled surface, this rotor enhances heat dissipation and braking consistency under demanding conditions.

• Part Number: 631-63165L
• Disc Type: Drilled and slotted, directional surface
• Outside Diameter: 320 mm
• Nominal Thickness: 24 mm with a discard thickness of 21.4 mm
• Hat Finish: Zinc silver coating for corrosion resistance
• Rust Resistant Coating: Yes
• Bolt Hole Quantity: 5 with a bolt circle diameter of 112 mm
• Center Hole Diameter: 69 mm
• Height: 51/55 mm

Detailed Product Description

This DFC Brake Rotor - Drilled and Slotted - Silver from Dynamite Friction is engineered to meet the braking demands of select Mercedes-Benz vehicles, including the S400, S450, S550, and S560. The rotor features a directional surface with both drilled holes and slots, which work together to improve brake pad bite, reduce brake fade, and help evacuate gases and debris during braking. The rotor’s zinc silver hat finish and rust-resistant coating provide enhanced durability against corrosion, extending the rotor’s service life.

With a nominal thickness of 24 mm and a discard thickness of 21.4 mm, this rotor maintains structural integrity and safety throughout its lifespan. The 320 mm outside diameter and 5-bolt hole pattern with a 112 mm bolt circle diameter ensure proper fitment and secure mounting on compatible Mercedes-Benz models. The center hole diameter of 69 mm and height of 51/55 mm are designed to match factory specifications for a precise fit.

DFC Brake Rotor - Drilled and Slotted - Silver Product Line

The DFC Brake Rotor - Drilled and Slotted - Silver line by Dynamite Friction focuses on rotors that combine drilled holes and slots with a silver zinc finish. This product line is designed to provide improved heat dissipation and corrosion resistance, making it suitable for drivers who require consistent braking performance and rotor longevity. The directional surface pattern is optimized for specific vehicle applications, including the Mercedes-Benz S-Class models listed.

Common Applications and Problem Solving

• Reduces brake fade during high-performance or heavy braking situations
• Improves heat dissipation to prevent rotor warping
• Helps evacuate brake dust and gases for cleaner braking surfaces
• Resists rust and corrosion for longer rotor life
• Restores braking performance on Mercedes-Benz S400, S450, S550, and S560 models

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (21.4 mm) before installation
• Verify bolt hole pattern and center hole diameter match vehicle specifications
• Clean rotor surface before installation to remove any protective coatings or debris
• Use proper torque specifications for lug nuts to avoid rotor damage
• Check brake pads for wear and replace if necessary when installing new rotors

Quality Assurance

Dynamite Friction manufactures the 631-63165L rotor to meet or exceed OEM standards for fit, form, and function. The rust-resistant zinc silver hat finish and protective coatings contribute to durability and corrosion resistance. While specific warranty details are not provided, Dynamite Friction products are engineered for reliable performance on Mercedes-Benz S-Class vehicles.