Genuine OEM Audi Coolant Radiator With Oil Cooler, part number 8R0121251E. This vital component is responsible for dissipating excess heat from the engine's coolant and lubricating oil, maintaining optimal operating temperatures. It is typically mounted at the front of the vehicle's engine bay. Weighing 7.738 kg and measuring 0.92m x 0.51m x 0.155m, this radiator is built to factory specifications. Choosing a genuine OEM radiator ensures precise fitment, efficient heat exchange, and long-term durability, critical for protecting the engine from thermal damage.