Parts list: № Number Qty Name Options Next page: ST974797 Seat, Air Suspended, W/ Armrest, Manual Weight Adjustment ST974803 Seat, Lower Part, Air Suspended, Manual Weight Adjustment ST974848 Seat, Lower Part, Heavy Duty, Air Suspended, Automatic Weight Adjustment ST974869 Seat, Upper Part, Mechanically Suspended, W/ Armrest, W/O Weight Adjustment ST979214 Suspension For Instructional Seat, Attachment