Parts list: № Number Qty Name Options 1 R542221 4 Screw 2 RE593381 1 Electronic Control Unit Next page: ST962673 Mounting hardware, Front Controller, TLS™ ST962446 Multi Functional Controller, IVT™ ST959427 Multi Functional Controller, Front Control, Steering ST962609 Multi Functional Controller, TLS™ ST1042157 Steering Controller, AutoTrac™ W/ Backup Pump PICT-OSO.1 OSO Control Units