Genuine OEM Audi Charge Air Cooler, part number 03F145749B. This intercooler is a vital component in turbocharged engines, responsible for cooling the compressed air from the turbocharger before it enters the engine's intake manifold. This process increases air density, leading to improved combustion and power output. Measuring 0.23m x 0.15m x 0.103m and weighing 0.986 kg, it ensures efficient heat exchange. Choosing a genuine OEM charge air cooler guarantees optimal cooling efficiency and precise fitment, which is crucial for maintaining engine performance and longevity.