Genuine OEM Audi Additional Coolant Cooler, part number 1K0121212C. This component is designed to provide supplementary cooling capacity for the engine coolant, helping to maintain optimal operating temperatures under demanding conditions. It is a compact heat exchanger, weighing 1.288 kg, with dimensions of 0.304m length, 0.26m width, and 0.16m height. Opting for a genuine OEM cooler ensures precise fitment, efficient heat transfer, and durability, preventing overheating and protecting engine longevity.