Genuine OEM Volkswagen Clutch Master Cylinder, part number 1J2721388F. This critical component converts the mechanical force from the clutch pedal into hydraulic pressure, enabling smooth clutch engagement and disengagement. It is typically mounted near the clutch pedal assembly and is configured for Right-Hand Drive vehicles. Weighing 0.149 kg, this cylinder is built to exact factory specifications. Using a genuine OEM master cylinder ensures correct hydraulic pressure, reliable clutch operation, and long-term durability.