Parts list: № Number Qty Name Options 1 AL116993 1 Cushion Yellow Vinyl, W/ Screws 2 AL116992 1 Cushion Yellow Vinyl, W/ Screws 3 AL216568 1 Extension 4 H203739 2 Structural Tube 5 AL216561 1 Extension ORDER AL216568 Next page: ST710972 Telescopic Backrest Extension, Attachment ST450846 Seat, Air Suspended, W/ Operator Presence Switch, MSG95GL / 731 ST898951 Mounting Parts / Seat Belt / Adjuster, Seat, Air Suspended, MSG95GL/731 ST776596 Attachment, Instructional Seat, Non-Suspended ST899358 Cushion / Headrest, Seat, Mechanical Suspended, MSG85/731, OOS ST899523 Support / Mounting Parts, Seat, Mechanical Suspended, MSG85/731, OOS ST895771 Guide Rail, Support / Armrest, Seat, MSG83/731 ST898149 Support / Armrest, Seat, Air Suspended, MSG85/731 ST761180 Attachment, Seat, Mechanical Suspended, MSG83/731, OOS ST895145 Switch Kit, Seat, MSG83/731