Clutch Concentric Slave Cylinder CSC For Ford Focus MK2 2.5 ST 3M517A564DD

In most cases, the gearbox must be removed to access the CSC. It is often replaced alongside other clutch components, such as the clutch disc and pressure plate, to save on labour costs. A clutch central slave cylinder (CSC) is a hydraulic component responsible for disengaging the clutch when the clutch pedal is pressed.

eBay