Genuine OEM Audi Vented Brake Disc, part number 4E0615601K. This brake disc provides the essential friction surface for the brake pads, converting kinetic energy into heat to slow and stop the vehicle. It is designed for the rear axle. This vented disc weighs 6.5 kg and has a diameter of 0.3 meters, engineered for optimal heat dissipation. Choosing a genuine OEM brake disc ensures precise metallurgy, balanced rotation, and consistent braking performance, critical for safety and longevity.