Dynamite Friction 633-73037L Disc Brake Rotor - Rear Left

Reliable Brake Performance for Audi A4 and A4 Quattro

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Black (Part Number 633-73037L) is engineered to provide consistent braking performance for Audi A4 and A4 Quattro models. Designed with durability and heat dissipation in mind, this rotor supports safe and effective stopping power under various driving conditions.

• Disc Type: Solid disc brake rotor with drilled and slotted surface
• Finish: Plain disc surface with zinc black hat finish for corrosion resistance
• Rust Resistant Coating: Yes, to extend rotor life and maintain appearance
• Dimensions: 287 mm outside diameter, 36 mm overall height
• Thickness: Nominal thickness 12 mm, discard thickness 10 mm
• Bolt Pattern: 5 bolt holes with 112.2 mm bolt circle diameter
• Directional brake surface for optimized performance
• Center hole diameter: 68 mm, stud/lug hole diameter: 15 mm

About the DFC Brake Rotor - Drilled and Slotted - Black Line

The DFC Brake Rotor - Drilled and Slotted - Black line from Dynamite Friction focuses on rotors that combine drilled holes and slots to improve heat dissipation and reduce brake fade. The black zinc-coated hat finish enhances corrosion resistance, making these rotors suitable for drivers seeking reliable braking components with a functional design. This product line is tailored for vehicles requiring solid rotors with directional surfaces to maintain consistent braking performance.

Product Details and Specifications

This solid disc brake rotor features a drilled and slotted surface type, which helps to evacuate gases, dust, and water from the braking surface, improving contact between the pad and rotor. The nominal thickness of 12 mm ensures structural integrity, while the discard thickness of 10 mm indicates when replacement is necessary to maintain safety. The rotor’s 5-bolt hole configuration with a 112.2 mm bolt circle diameter matches the factory specifications for Audi A4 and A4 Quattro models. The zinc black hat finish provides additional protection against rust and corrosion, extending the rotor’s service life.

Applications and Problem Solving

• Compatible with Audi A4 and A4 Quattro models requiring solid disc brake rotors
• Addresses brake fade caused by overheating during aggressive or prolonged braking
• Helps reduce brake dust accumulation and water interference on the rotor surface
• Prevents premature rotor corrosion with rust-resistant coating
• Maintains braking efficiency with directional drilled and slotted design

Installation Notes and Tips

Ensure the rotor thickness is above the discard thickness of 10 mm before installation. Clean the rotor surface to remove any protective coatings or residues before mounting. Verify bolt hole alignment with the vehicle’s hub using the 5-bolt pattern and 112.2 mm bolt circle diameter. Proper torque specifications should be followed to avoid warping or uneven wear. Directional rotors must be installed with the correct rotation direction for optimal performance.

Quality Assurance

Dynamite Friction manufactures the 633-73037L rotor to meet or exceed OEM standards for fitment and durability. The rust-resistant zinc black hat finish and precise machining ensure consistent performance and longevity. While no specific warranty information is provided, the product is designed for reliable use on Audi A4 and A4 Quattro vehicles when installed and maintained according to manufacturer guidelines.