Genuine OEM Audi Charge Air Pressure Hose, part number 4M0145737C. This hose is a critical component in the forced induction system, carrying pressurized air from the turbocharger to the intercooler and then to the engine intake. It is located on the left side of the engine bay, connecting to the intercooler assembly. Constructed from reinforced, high-temperature resistant rubber, it weighs approximately 0.672 kg. Genuine OEM charge air hoses ensure exact fitment, withstand high boost pressures and temperatures, and prevent leaks for optimal engine power and efficiency.