Parts list: № Number Qty Name Options 1 RE594410 1 Seat Suspension Next page: ST838225 Passive Seat, Leather, W/ Tilt and Extend ST858517 Wiring Harness, ActiveSeat™ ST720576 Seat Bearing Roller, Suspension Renew Kit ST901772 Instructional Seat, Leather (092918 - ) ST754651 Armrest Substrate Assembly, ActiveSeat™ ST901768 Instructional Seat, Fabric (092001 - ) ST901767 Instructional Seat, Fabric ( - 092000) ST856855 Wiring Harness Kit, Passive Seat ST838219 Passive Seat, Fabric, W/ Tilt and Extend ST812493 Seat Assembly, Passive, Fabric, Low Back, W/ Extension, W/ Cushion Adjustment