Genuine OEM Volkswagen brake disc, part number 7H0615301D. This brake disc is a critical component of the vehicle's braking system. It is the surface onto which the brake pads apply pressure to generate friction, thereby slowing or stopping the vehicle. This part is located at position 7 in the brake system diagram. Genuine OEM brake discs are manufactured with precise metallurgy and balancing for optimal heat dissipation and consistent stopping power, ensuring driver safety.