Genuine OEM Audi Lateral Acceleration Sensor, part number 4L0959651. This sensor plays a critical role in the vehicle's electronic stability control (ESC) system by accurately measuring the sideways acceleration experienced during turns or evasive maneuvers. It is typically positioned at the front of the vehicle. Weighing 0.023 kg, this compact sensor provides precise data. Using a genuine OEM sensor ensures correct calibration and signal characteristics, which are essential for the accurate and reliable operation of safety-critical systems like ESC.