Genuine OEM Volkswagen Coolant Level Control Module, part number 3Q0919376. This electronic module is responsible for controlling the vehicle's coolant level warning system, accurately monitoring coolant levels and triggering alerts if they fall below safe thresholds. It is a compact unit, weighing approximately 0.028 kg with dimensions of 0.04m x 0.03m x 0.03m. Using a genuine OEM control module ensures precise calibration, seamless integration with other vehicle systems, and reliable operation of critical warning indicators.