Genuine OEM Audi Coolant Pump, part number 057121008M. This vital component is responsible for circulating coolant throughout the engine cooling system, ensuring efficient heat transfer and maintaining optimal engine operating temperatures. It features a durable cast aluminum housing and a plastic impeller. Weighing 0.948 kg, it measures 0.204 m in length, 0.138 m in width, and 0.084 m in height. Installing a genuine OEM coolant pump guarantees precise flow rates, proper sealing, and long-term reliability, which are crucial for preventing engine overheating and ensuring engine longevity.