... , PISTON SHOE , CYLINDER BLOCK, RING OF PISTON, CENTER PIN, SOCKET BOLT XA8V55/59/80/107/115/ 172, ... R , PISTON SHOE , CYLINDER BLOCK, RING OF PISTON, CENTER PIN, SOCKET BOLT, DISK SPRING, HEAD COVER.BALL , Excavator ... R , PISTON SHOE , CYLINDER BLOCK, RING OF PISTON, CENTER PIN, SOCKET BOLT, DISK SPRING, HEAD COVER.BALL , Excavator ... PISTON SHOE , CYLINDER BLOCK, RING OF PISTON, CENTER PIN, SOCKET BOLT