Dynamite Friction 633-73045L Disc Brake Rotor - Rear Left

Overview of DFC Brake Rotor for Audi A4 and A4 Quattro

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Black (part number 633-73045L) is engineered for Audi A4 and A4 Quattro models. This solid disc brake rotor features a directional, slotted and drilled surface designed to enhance braking performance and heat dissipation.

• Compatible with Audi A4 and A4 Quattro
• Part Number: 633-73045L
• Solid disc rotor with drilled and slotted surface
• Nominal thickness: 12 mm; discard thickness: 10 mm
• Outside diameter: 255 mm; overall height: 39.8 mm
• Zinc black hat finish with rust-resistant coating
• 5 bolt holes with 112 mm bolt circle diameter
• Directional brake surface for optimized performance

Detailed Product Features and Specifications

This DFC Brake Rotor - Drilled and Slotted - Black is a solid rotor designed to provide consistent braking for Audi A4 and A4 Quattro vehicles. The rotor measures 255 mm in outside diameter and 39.8 mm in overall height, with a nominal thickness of 12 mm and a discard thickness of 10 mm, ensuring reliable wear limits. The rotor surface is both drilled and slotted, which helps to reduce brake fade by improving heat dissipation and removing brake dust and gases during operation. The directional surface design further supports efficient braking performance under various driving conditions.

The rotor hat features a zinc black finish that offers corrosion resistance, complemented by an overall rust-resistant coating to extend the rotor's service life. It includes five bolt holes with a 112 mm bolt circle diameter and a center hole diameter of 68 mm, matching the factory specifications for the specified Audi models. The stud/lug hole diameter is 15.5 mm, accommodating standard lug nuts.

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

The DFC Brake Rotor - Drilled and Slotted - Black line by Dynamite Friction focuses on rotors that combine drilled holes and slots with a protective black zinc finish on the rotor hat. This product line is designed to provide enhanced braking performance and durability, particularly for vehicles requiring reliable heat dissipation and corrosion resistance. The drilled and slotted design is directional, which means it is optimized for specific rotational direction to maximize braking efficiency and rotor longevity.

Common Applications and Problem Solving

• Reduces brake fade during aggressive or prolonged braking
• Improves heat dissipation to maintain consistent brake performance
• Helps prevent rust and corrosion on rotor surfaces
• Removes brake dust and gases to maintain pad contact
• Restores braking efficiency on worn or damaged rotors

Installation Notes and Tips

Ensure the rotor is installed with the directional surface oriented correctly according to the vehicle’s rotation. Verify that the bolt hole pattern and center hole diameter match the vehicle specifications. It is recommended to inspect brake pads and hardware during installation and replace if necessary to maintain optimal braking performance. Proper torque specifications should be followed when securing the rotor to avoid warping or damage.

Quality Assurance and Warranty

Dynamite Friction manufactures the DFC Brake Rotor - Drilled and Slotted - Black to meet or exceed OEM standards for fit, form, and function. The rotor includes a rust-resistant coating to enhance durability. Warranty details are subject to the manufacturer’s terms and conditions; please refer to Dynamite Friction for specific warranty information related to part number 633-73045L.