Genuine OEM Volkswagen ABS Unit, part number 1K0614117SBEF. The ABS unit with control unit monitors wheel speed and modulates brake pressure to prevent wheel lock-up during braking. It is located at position 1 in the diagram. This unit weighs 2.366 kg and has dimensions of 0.125m length, 0.105m width, and 0.125m height. Genuine OEM ABS units are precisely calibrated and tested to ensure optimal safety and performance.