Parts list: № Number Qty Name Options 1 AA74043 1 Wiring Harness 2 57M9760 1 Elec. Connector Housing Sensor Node 3 57M8338 2 Elec. Connector Housing Sensor Node 4 [] 1 Downforce Sensor Next page: ST1010391 Electric Air Compressor / Mounting (794101 - ) ST1010399 Air Tank, Main Pneumatic Down Force Control (794101 - ) ST964960 Electronic Control Unit, Planter Master Controller ST944473 Valve, Dual Section, Pneumatic Controlled Closing Wheel (780101 - ) ST958859 Power Take Off Alternator (785101 - ) ST962456 Hydraulic Motor and Air Compressor, Single Section ST352356 Electric Air Compressor and Mounting ST1024010 Pneumatic Downforce Spring, Shaft Drive, Regular Arm, End ST766425 Pneumatic Downforce Spring, Shaft Drive, Regular Arm, Inner, Performance Upgrade Kit ST1016673 Wiring Harness, Pneumatic Downforce Control, Two Valve Section