Genuine OEM Audi Additional Coolant Cooler, part number 7P0121212. This component provides extra cooling capacity for the engine coolant, helping to maintain optimal operating temperatures under demanding conditions. It is an auxiliary radiator within the engine cooling system. Weighing 3.231 kg and measuring 0.41m x 0.32m x 0.115m, this genuine OEM cooler ensures precise fitment and efficient heat dissipation, critical for preventing engine overheating and maintaining long-term reliability.