Genuine OEM Volkswagen Engine Water Pump, part number 022121011B. This critical component circulates coolant throughout the engine cooling system, ensuring the engine maintains optimal operating temperature. It is typically mounted to the engine block or cylinder head. Constructed from durable metal and plastic components, it weighs approximately 1 kg. Choosing a genuine OEM water pump ensures factory-specified flow rates and sealing integrity, preventing leaks and overheating.