Parts list: № Number Qty Name Options 1 RE574593 1 Seat Assembly Next page: ST812427 Seat Assembly, ActiveSeat™, Fabric, Low Back W/ Extension, W/ Cushion Adjustment ST837183 Passive Seat, Fabric, W/O Backrest Extension ST867172 Oil Lines, W/ ActiveSeat™, Dual Pump, Group 49 Tires (120000 - ) ST901849 Instructional Seat, Fabric ( - 118508) ST754665 Seat Assembly, Passive, Fabric, Low Back, W/ Extension, W/O Cushion Adjustment ST759857 Oil Lines, ActiveSeat™, Single Pump, Group 47/ 48 Tires ( - 119999) ST754668 Seat Assembly, Passive, Fabric, Low Back, W/ Extension, W/ Cushion Adjustment ST754516 Armrest Substrate Assembly, Passive Seat ST754453 Seat Support, ActiveSeat™ ST754450 Seat Support, Passive Seat