Genuine OEM Audi Rear Brake Disc, part number 8W0615601E. This component provides the critical friction surface for the brake pads, converting kinetic energy into heat to slow and stop the vehicle. Positioned at the rear axle, it is a key part of the braking system. Weighing 7.408 kg and measuring 0.34 m in diameter, this genuine OEM brake disc ensures precise dimensions, proper heat dissipation, and optimal material composition for consistent, reliable braking performance and safety.