Genuine OEM Audi DPF Pressure Sensor, part number 07Z906051A. This sensor is crucial for monitoring the diesel particulate filter, accurately measuring pressure differences to ensure efficient regeneration and proper emissions control. It is typically located within the exhaust system, connected to the DPF. Weighing 0.023 kg, this compact sensor provides precise readings. Choosing a genuine OEM sensor ensures exact calibration and signal characteristics, critical for the complex emissions system and preventing false readings or malfunctions.