Genuine OEM Audi Brake Booster Pressure Sensor, part number 036906051C. This electronic sensor is responsible for monitoring the vacuum pressure within the brake booster system, providing essential data to the vehicle's control unit. Accurate pressure readings are crucial for the proper function of the power braking assist. Weighing 0.025 kg, this compact sensor features a durable plastic housing and an electrical connector. Using a genuine OEM sensor ensures precise calibration, correct signal characteristics, and reliable performance, which is vital for consistent and safe braking operation.