Parts list: № Number Qty Name Options 1 AA85899 1 Knocker Small Hole Flat Disk 2 H136447 1 Arm 3 H136449 1 Pin Fastener Arm 4 M61287 1 Compression Spring 5 A102718 1 Knocker 5 Point 5 A53272 1 Knocker 6 Point 6 A102717 1 Seed Plate Small Hole Next page: ST766425 Pneumatic Downforce Spring, Shaft Drive, Regular Arm, Inner, Performance Upgrade Kit ST802173 Rear Parallel Arm Hardware, Performance Upgrade Kit ST1006102 Row Unit Mounted Coulter W/ Combo Row Cleaner, Pneumatic, Performance Upgrade Kit ST1005459 Gauge Wheel, Spoked, Performance Upgrade Kit ST1008055 Bracket Kit, Short Row Unit, Performance Upgrade Kit ST985902 Individual Row Hydraulic Downforce Spring, Regular Arm, Performance Upgrade Kit ST977034 Seed Cleanout Tray, Non-CCS™, Performance Upgrade Kit ST977023 Tray, High Power Meter Cleanout, Non-CCS™ ST964229 Brush Belt, Seed Delivery Cartridge, Performance Upgrade Kit ST890285 Vacuum Meter and Cover W/ Seed Brush, MaxEmerge™ 5e, Performance Upgrade Kit