Genuine OEM Audi Additional Coolant Pump, part number 07C121599. This pump provides supplementary coolant circulation, crucial for maintaining optimal engine operating temperatures and supporting auxiliary cooling circuits. It is typically found within the engine cooling system, connected to various hoses and heat exchangers. Weighing 0.354 kg with dimensions of 0.109m x 0.09m x 0.09m, this compact unit is designed for precise integration. Choosing a genuine OEM pump ensures correct flow rates, electrical compatibility, and durability, preventing overheating and system malfunctions.