Genuine OEM Audi Engine Charge Air Cooler Pressure Hose, part number 4K0145737S. This hose is a vital component in the engine's intake system, specifically designed to deliver pressurized air from the turbocharger to the charge air cooler. Positioned on the left side of the engine assembly, it plays a critical role in maintaining engine efficiency and power output. Weighing 0.44 kg and measuring 0.295 m in length, this hose is constructed from robust materials to withstand high boost pressures and temperatures. Using a genuine OEM hose ensures precise fitment, correct routing, and material integrity, preventing boost leaks and maintaining consistent engine performance.