Parts list: № Number Qty Name Options 1 R277745 1 Plate 2 37M7089 9 Screw M6 X 12 3 RE258123 1 Adapter Fitting 4 51M7048 1 O-Ring 29.600 X 2.900 mm 5 T76938 1 O-Ring Next page: ST838639 ActiveSeat™, Fabric, W/ Tilt and Extend ST839696 Seat Assembly, ActiveSeat™, Fabric, Low Back W/ Extension, W/ Cushion Adjustment ST804454 Mounting Parts, Seat Base, Rear ST754450 Seat Support, Passive Seat ST754442 Seat Assembly, ActiveSeat™, Fabric, Low Back W/ Extension, W/O Cushion Adjustment ST783071 Armrest Substrate Assembly, Passive Seat ST783041 Seat Assembly, Passive, Fabric, Low Back, W/O Extension, W/O Cushion Adjustment (For Scraper) ST856582 Seat Assembly, Passive, Fabric, W/ Backrest Extension, W/ Cushion Adjustment (For Scraper) ST838225 Passive Seat, Leather, W/ Tilt and Extend ST790161 Oil Lines, ActiveSeat™, PST ( - 053999)