Parts list: № Number Qty Name Options 1 A52092 1 Arm Lower 2 A76223 2 Arm Upper 3 AA40934 1 Bracket 4 A112543 4 Bushing 5 19M7489 4 Cap Screw M16 X 45 6 A31869 4 Lock Nut 7 24M7648 4 Washer 17 X 38 X 3 mm Next page: ST766425 Pneumatic Downforce Spring, Shaft Drive, Regular Arm, Inner, Performance Upgrade Kit ST766493 Vacuum Meter Housing W/ Bearing, Pro-Shaft™ Drive ST850935 Lower Bracket Hardware, Performance Upgrade Kit ST881155 Coulter Blade, 25 Flute, 0.63 in, Performance Upgrade Kit ST977237 Hopper Kit, 3 Bushel, Performance Upgrade Kit ST1012757 Spacer, Long Arm, Performance Upgrade Kit ST1012591 Row Switch Kit, Long Arms, Performance Upgrade Kit ST1008664 Tru-Vee™ Opener, Shank, Performance Upgrade Kit ST1008055 Bracket Kit, Short Row Unit, Performance Upgrade Kit ST1008054 Clip, Row Unit Hose Retention, Pneumatic Closing Wheels, Performance Upgrade Kit