Genuine OEM Audi Engine Cooling Radiator, part number 4F0121251AC. This critical component efficiently dissipates heat from the engine coolant, preventing overheating and ensuring the engine maintains optimal operating temperatures. Weighing 6.33 kg, it measures 0.855m in length, 0.49m in width, and 0.162m in height. Choosing a genuine OEM radiator ensures factory-specified cooling capacity, durable construction, and exact mounting points for reliable, long-term performance.