Parts list: № Number Qty Name Options 1 AKK28175 2 Valve 2 AKK28174 2 Solenoid Valve 3 AKK28173 2 Elec-Hyd Proportional Valve 4 AKK28172 2 Transducer 5 AKK28171 4 Solenoid Valve Coil 6 AKK20384 1 Control Valve Next page: ST948239 Control Valve and Hoses, John Deere TerrainCommand™ BoomTrac™ ST950408 Control Valve, Hoses and Bracket, John Deere TerrainCommandPRO™ ST951368 Control Valve, John Deere TerrainCommandPRO™ ST883865 Combination Valve ST884519 Shaft / Housing / Cylinder, Hydrostatic Pump ST915561 Hydraulic Cylinder, Outer Boom Fold ST914751 Hoses and Brackets, Rear Wheel, Standard Cruise ST913510 Control Valve, Boom (2 of 2) ST892667 Hydraulic Distribution Block, 3 Sensor System (170395 - ) ST892644 Hydraulic Cylinder / Brackets, Outer Boom Fold, 3 Sensor System, RH Illustrated (170395 - )