Genuine OEM Audi Clutch Lower Pipe Line, part number 8K0721477D. This hydraulic line is responsible for transmitting fluid pressure from the clutch master cylinder to the slave cylinder, enabling smooth clutch engagement and disengagement. It is typically located in the lower part of the clutch hydraulic system. Measuring approximately 0.28 meters in length, it is constructed from durable, pressure-resistant materials. Using a genuine OEM clutch pipe line ensures proper fluid transfer, leak-free operation, and consistent clutch pedal feel, which is critical for the longevity and performance of the transmission.