Parts list: № Number Qty Name Options 1 RE153081 1 Toggle/Rocker Switch 2 RE193755 1 Wiring Harness 3 RE229376 1 Electronic Control Unit 4 RE259034 1 Steering Controller Next page: ST73150 AutoTrac™ Tractor Kit, SSU and Steering Input Harness, 7130, 7230, 7330, 7430, 7530 ST73197 AutoTrac™ Tractor Kit, Steering Pivot Assembly, 7715, 7815 (For Brazil) ST73208 AutoTrac™ Tractor Kit, Steering Valve Lines, 7720, 7820, 7920 ST821850 Attachment, AutoTrac™ Tractor Kit, King Pin, 6R FT4, MX 25-45, 6110R, 6120R, 6130R ( - 838257) ST813566 Attachment, AutoTrac™ Ready Steering, 8030 Series with ILS 50 km/h (All PINs) (005467 - ) ST73160 AutoTrac™ Tractor Kit, Hydrostatic Steering Oil Lines, Cab, 7220, 7320, 7420, 7520 ST73172 AutoTrac™ Tractor Kit, Wiring Harness and Guard for Steering Angle Sensor, 7420, 7520 ST73129 AutoTrac™ Tractor Kit, Steering Control Valve to Tractor Hydraulic W/ Trailer Brake, 6320, 6420 ST73230 AutoTrac™ Tractor Kit, Armrest Electrical, 8100, 8200, 8300, 8400 ST73203 AutoTrac™ Tractor Kit, Steering Flowmeter Assembly, 7015, 7020 Series