Genuine OEM Audi Radiator, part number 1K0121251AK. This vital component is central to the engine's cooling system, responsible for dissipating excess heat from the circulating coolant. It is typically mounted at the front of the vehicle, behind the grille. Weighing 4.86 kg, this radiator features a robust core design for efficient heat transfer. Choosing a genuine OEM radiator ensures optimal engine temperature regulation, precise fitment within the cooling system, and resistance to leaks and corrosion.