3 Way Selector Valve Replace MF cover plate, adds 2 ports. Services lift arms plus 2 external ports with return going back to valve. Ports can only be used 1 at a time.Fits all MF tractors where 182373M1 lift cover is used.Services lift arms plus two external ports w/ return going back to valve. Ports can only be used one at a time. I/O ports 3/8" NPTF.    I/O Ports: 3/8: NPT Massey Ferguson (Undefined) VARIOUS MODELS
