Genuine OEM Audi Coolant Pump, part number 03F121004E. This critical component is responsible for circulating coolant throughout the engine's cooling system, effectively dissipating heat and maintaining optimal operating temperatures. It is an integral part of the engine cooling assembly. Weighing approximately 0.93 kg, this pump ensures efficient thermal management. Choosing a genuine OEM coolant pump guarantees precise flow rates, durable seals, and reliable performance to protect your engine from overheating.