Parts list: № Number Qty Name Options 1 AA85089 1 Knocker 2 H136447 1 Arm 3 H136449 1 Pin Fastener 4 M61287 1 Compression Spring 5 A53272 1 Knocker 6 Point Next page: ST871718 Vacuum Meter Brush ST998703 Wheel, Regular Gauge, Premium ST1021871 Vacuum Meter Housing W/ Bearing, Pro-Shaft™ Drive ST998702 Wheel, Rubber Closing, Premium ST817990 Clutch Gear Case, Cable Drive ST827982 Setback Bracket ST820687 Mini Hopper ST818986 Depth Stop W/ Sensor (775101 - 794100) ST818663 Drive Cables, Gear Case ST800652 Brush Cartridge Guard, Performance Upgrade Kit