Part Number: 139957 (Valve) Part Number: 139958 (Cover) Part Number: 139958-01 (No description) Part Number: 13-995X1-78-50D7 (Joint torique circuit alimentati) Part Number: 13996 (Seal) Part Number: 139960 (Spacer) Part Number: 1399604 (Component) Part Number: 13996083 (Component) Part Number: 139961-1 (No description) Part Number: 139962 (Connex) Part Number: 139962-2 (Disc, valve) Part Number: 13-9962P (Bush) Part Number: 139963 (Seat, valve) Part Number: 139963-3 (No description)