Genuine OEM Audi Oil Pressure Switch, part number 038919081M. This vital sensor is responsible for monitoring the engine's oil pressure, providing crucial data to the vehicle's control unit and warning systems. It ensures that the engine operates within safe lubrication parameters, alerting the driver to any potential issues. Weighing 0.031 kg, this genuine OEM oil pressure switch offers precise calibration and reliable signal characteristics, which are essential for accurate engine monitoring and preventing costly damage due to insufficient oil pressure.