Genuine OEM Audi Intercooler Pressure Hose, part number 4K0145673AN. This hose is responsible for carrying pressurized air from the turbocharger to the intercooler, playing a vital role in the engine's intake system efficiency. It is positioned on the left side of the engine bay. Weighing approximately 0.92 kg and measuring 0.66 meters in length, this hose is constructed from durable, reinforced material designed to withstand high boost pressures and temperatures. Using a genuine OEM hose ensures precise fitment, correct routing, and material integrity, which are critical for maintaining optimal boost and preventing leaks.