Dynamite Friction 631-73066L Disc Brake Rotor - Rear Left

Overview of Dynamite Friction DFC Brake Rotor

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-73066L) is engineered for precision braking performance on select Audi and Porsche models. Designed with a vented, directional surface, this rotor enhances heat dissipation and braking consistency under demanding conditions.

• Disc type: Vented disc brake rotor with drilled and slotted surface
• Nominal thickness: 21.9 mm with discard thickness at 20 mm
• Overall diameter: 330 mm with 5 bolt holes and 112 mm bolt circle diameter
• Rust resistant zinc silver hat finish and plain disc finish
• Directional brake surface optimized for Audi and Porsche vehicles

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 to improve brake pad bite and reduce gas buildup. The zinc silver hat finish provides corrosion resistance, extending rotor life. This product line is tailored for drivers seeking reliable braking performance with enhanced heat management and durability.

Detailed Product Description

This disc brake rotor features a vented design that promotes airflow to reduce heat buildup during braking, which helps maintain consistent stopping power. The drilled and slotted surface improves pad cleaning and gas evacuation, reducing brake fade. With a nominal thickness of 21.9 mm and a discard thickness of 20 mm, the rotor ensures safe replacement intervals. The zinc silver coating on the hat area offers rust resistance, preserving the rotor’s structural integrity over time. The rotor’s 5-bolt hole pattern with a 112 mm bolt circle diameter fits a range of Audi models including A4, A5, A6, A7, A8, S4, S5, and SQ5 variants, as well as Porsche Macan models.

Compatible Vehicles and Applications

• Compatible with Audi A4, A4 allroad, A4 Quattro, A5, A5 Quattro, A5 Sportback, A6, A6 allroad, A6 Quattro, A7 Quattro, A7 Sportback, A8 Quattro, S4, S5, S5 Sportback, SQ5, SQ5 Sportback
• Compatible with Porsche Macan, Q5, Q5 PHEV, Q5 Sportback
• Designed to address brake fade and overheating in performance and daily driving
• Helps reduce brake noise and vibration caused by uneven rotor surfaces
• Improves braking response and pad life by maintaining cleaner contact surfaces

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (20 mm) before installation
• Use proper torque specifications for the 5-bolt pattern with 112 mm bolt circle diameter
• Clean rotor surface before installation to remove any protective coatings
• Check compatibility with vehicle’s brake caliper and hub assembly
• It is recommended to replace brake pads when installing new rotors for optimal performance

Quality Assurance and Warranty

Dynamite Friction manufactures the 631-73066L rotor to meet or exceed OEM specifications for fit, form, and function. The rust-resistant zinc silver finish helps extend rotor life in various driving conditions. While specific warranty details are not provided, Dynamite Friction products typically undergo rigorous quality control to ensure reliability and safety on Audi and Porsche vehicles.