Dynamite Friction 631-73045R Disc Brake Rotor - Rear Right

Overview of DFC Brake Rotor for Audi A4 and A4 Quattro

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-73045R) is engineered for precise braking performance on Audi A4 and A4 Quattro models. This solid disc brake rotor features a directional, slotted and drilled surface designed to enhance heat dissipation and maintain consistent stopping power.

• Compatible with Audi A4 and A4 Quattro
• Part Number: 631-73045R
• Solid disc rotor with drilled and slotted surface
• Nominal thickness: 12 mm; discard thickness: 10 mm
• Rust resistant zinc silver hat finish
• 5 bolt holes with 112 mm bolt circle diameter
• Directional brake surface for optimized performance
• Overall diameter: 255 mm; height: 39.8 mm

Details on the DFC Brake Rotor - Drilled and Slotted - Silver Line

The DFC Brake Rotor - Drilled and Slotted - Silver line by Dynamite Friction focuses on rotors that combine drilled holes and slots on the braking surface. This design improves water and gas evacuation during braking, reducing brake fade and maintaining consistent pedal feel. The silver zinc coating on the rotor hat provides corrosion resistance, extending rotor life in various driving conditions.

Technical Specifications and Features

This rotor is a solid type with a nominal thickness of 12 mm and a discard thickness of 10 mm, ensuring safe replacement intervals. The rotor’s 255 mm outside diameter and 39.8 mm height are designed to match factory specifications for Audi A4 and A4 Quattro models. The 5-bolt hole pattern with a 112 mm bolt circle diameter and 15.5 mm stud hole diameter ensures proper fitment and secure mounting. The directional slotted and drilled surface enhances braking efficiency by improving heat dissipation and debris removal.

Applications and Problem Solving

• Replacement rotor for worn or warped brake discs on Audi A4 and A4 Quattro
• Improves braking performance under wet conditions by channeling water away
• Reduces brake fade during aggressive or repeated braking
• Helps maintain consistent brake pedal feel and stopping power
• Prevents rust and corrosion with zinc silver coated rotor hat

Installation Notes and Tips

Ensure the rotor surface is clean and free of oil or debris before installation. Verify the rotor thickness is above the discard thickness of 10 mm before mounting. Use proper torque specifications for the 5-bolt mounting pattern to avoid warping. Directional rotors must be installed with the correct rotation direction for optimal performance.

Quality Assurance and Warranty

Dynamite Friction manufactures this rotor to meet or exceed OEM standards for fit and function. The rust resistant coating on the rotor hat helps extend service life. Please consult product documentation or manufacturer resources for warranty details specific to part number 631-73045R.