Dynamite Friction 631-73009L Disc Brake Rotor - Rear Left

Overview of Dynamite Friction DFC Brake Rotor

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-73009L) is engineered for reliable braking performance on select Audi models. Designed with a directional, slotted and drilled surface, this rotor enhances heat dissipation and braking consistency for vehicles like the Audi A8 Quattro and 200 Quattro.

• Disc type: Solid disc brake rotor
• Surface finish: Slotted and drilled for improved cooling
• Rust resistant zinc silver hat finish
• Nominal thickness: 10 mm with discard thickness at 8 mm
• Outside diameter: 245 mm
• Overall height: 46.2 mm
• Bolt hole quantity: 5 with 112 mm bolt circle diameter
• Center hole diameter: 68 mm
• Directional brake surface for optimized performance

Detailed Product Description

This DFC Brake Rotor - Drilled and Slotted - Silver from Dynamite Friction is a solid rotor designed to meet the braking demands of Audi vehicles including the 200 Quattro, 5000 Quattro, A8, and A8 Quattro. The rotor features a plain disc finish combined with a zinc silver coated hat to resist rust and corrosion, extending the rotor's service life. The drilled and slotted surface pattern helps to dissipate heat and gases generated during braking, reducing brake fade and maintaining consistent stopping power. With a nominal thickness of 10 mm and a discard thickness of 8 mm, this rotor provides a clear service limit for safety and maintenance planning.

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 cooling and debris removal. This product line is designed for drivers seeking enhanced braking performance and durability in demanding driving conditions. The silver zinc coating on the rotor hat offers additional protection against rust, making it suitable for vehicles exposed to moisture and road salt.

Applications and Problem Solving

• Compatible with Audi 200 Quattro, 5000 Quattro, A8, and A8 Quattro models
• Helps reduce brake fade during extended or aggressive braking
• Improves heat dissipation to prevent rotor warping
• Slotted and drilled design aids in removing brake dust and gases
• Rust resistant coating protects against corrosion for longer rotor life

Installation Notes and Tips

Ensure the rotor thickness is above the discard thickness of 8 mm before installation. Properly clean the rotor surface to remove any protective coatings or oils before mounting. Verify bolt hole alignment with the 5-lug, 112 mm bolt circle diameter pattern specific to the compatible Audi models. Use appropriate torque specifications for lug nuts to avoid rotor damage or uneven wear.

Quality Assurance

Dynamite Friction manufactures this rotor to meet or exceed OEM specifications for fit and function. The rust resistant zinc silver finish on the rotor hat enhances durability in various driving environments. While no specific warranty information is provided, the rotor's design and materials support reliable performance and longevity when installed and maintained correctly.