Genuine OEM Audi Fixed Brake Caliper, part number 42B615407. This caliper is a critical component of the vehicle's braking system, housing the brake pads and applying hydraulic pressure to slow the wheel. It is positioned on the brake disc assembly. This part is constructed from durable materials to withstand high temperatures and pressures. Genuine OEM calipers are manufactured to exact specifications, ensuring proper function and safety for reliable braking performance.