Genuine OEM Audi Front Crash Impact Sensor, part number 4M0959651. This critical sensor is designed to detect the forces and deceleration associated with a collision, particularly from the front of the vehicle. It sends signals to the airbag control unit to trigger appropriate safety systems, such as airbags and seatbelt pretensioners. Weighing just 0.019 kg, this sensor is engineered for precise and rapid response. Using a genuine OEM impact sensor ensures accurate calibration, reliable signal transmission, and seamless integration with the vehicle's safety systems, which is paramount for occupant safety.