Genuine OEM VAG Ventilated Brake Disc, part number 8E0615601R. This brake disc is a fundamental part of the braking system, providing the surface for brake pads to apply friction. Its ventilated design allows for better heat dissipation during heavy braking, preventing brake fade. Genuine OEM brake discs are manufactured to strict standards for material composition, dimensional accuracy, and surface finish, ensuring reliable and safe braking performance.