Genuine OEM Audi clutch hydraulic hose, part number 424721453B. This hose is a vital component of the clutch hydraulic system, responsible for transferring fluid pressure to actuate the clutch mechanism. It is located within the clutch pedal and master cylinder assembly as indicated in the technical diagram. This hose is engineered to withstand high hydraulic pressures and resist fluid degradation. Genuine OEM parts ensure the correct routing and connection integrity necessary for consistent and responsive clutch pedal feel.