Genuine OEM Volkswagen Turbocharger Coolant Return Hose, part number 5Q0122109K. This specialized hose is responsible for carrying hot coolant away from the turbocharger, playing a critical role in its thermal management and longevity. It is positioned to ensure proper circulation of coolant through the turbocharger's cooling circuit. Weighing 0.145 kg, this hose is engineered to withstand the high temperatures and pressures associated with turbocharger operation. Using a genuine OEM hose ensures the correct material composition, heat resistance, and precise fitment, preventing leaks and maintaining turbocharger efficiency.