Genuine OEM Audi Additional Coolant Pump, part number 06E121601C. This pump plays a crucial role in the engine's cooling system by circulating coolant, often to specific areas or for auxiliary cooling functions, ensuring consistent temperature regulation. It is integrated into the coolant lines within the engine bay. Weighing 0.38 kg, it measures 0.097m in length, 0.092m in width, and 0.08m in height. Choosing a genuine OEM coolant pump ensures the correct flow rate, pressure, and electrical specifications for proper coolant circulation and effective engine temperature control.