Genuine OEM Audi Front Vented Brake Disc, part number 4E0615301K. This critical component provides the friction surface for the brake pads, converting kinetic energy into heat to slow and stop the vehicle. Designed for the front axle, its vented construction aids in dissipating heat efficiently during braking. The disc weighs approximately 17.47 kg and has a diameter of about 390 mm. Using genuine OEM brake discs ensures precise metallurgy, balanced rotation, and optimal heat management for consistent, safe braking performance and extended pad life.