Genuine OEM Audi Charge Air Cooler Connecting Hose, part number 3C0145832M. This high-pressure, reinforced rubber hose is a vital component of the turbocharged engine's intake system, responsible for carrying cooled, compressed air from the charge air cooler (intercooler) to the engine. Weighing 0.355 kg, its robust construction withstands high temperatures and pressures. Using a genuine OEM charge air hose ensures correct routing, pressure integrity, and resistance to degradation, preventing boost leaks and maintaining optimal engine performance.