Genuine OEM VAG Electromagnetic Brake Servo Unit, part number 5WC614105AB. This unit amplifies braking force, providing assistance to the driver's pedal input for effective deceleration. It is a critical component of the vehicle's braking system. The unit is approximately 0.455m long, 0.305m wide, and 0.18m high, weighing 5.855kg. Genuine OEM parts are essential for brake systems to ensure correct pressure modulation, consistent performance, and long service life.