Genuine OEM Audi Front Level Sensor, part number 1EA412521B. This sensor is crucial for accurately measuring the vehicle's ride height, providing essential data for suspension control and automatic headlight leveling systems. It is positioned on the left front side of the vehicle, typically connected to a suspension control arm. Weighing 0.341 kg and measuring 0.18m in length, this sensor is built to precise factory specifications. Using a genuine OEM sensor ensures accurate signal characteristics and reliable performance, critical for maintaining vehicle stability and safety systems.