The following Twin Disk Clutch Replacement parts are available for Lucas Model 41 and Model 42 Feed Clutches.They are stocked as a complete 'kit' under Lucas Part Number 905811 and contain the following Twin Disk Parts:
| Quan | P/N on Drawing | Description |
|---|---|---|
| 6 | 1921B | spring |
| 3 | 1937X | Key |
| 3 | 1941 | Pin |
| 3 | 1957C | Lever Finger |
| 1 | 2167A | Floating Plate |
| 4 | 2226 | Friction Disc |
| 1 | 2424 | spring |
| 3 | 3788 | Steel Plate |
| 1 | 3996 | Adjusting Plate |
| 6 | A2677E/102016 | Pin |
| 4 | M422 | Pin |
| 1 | M2020E | Screw |
| 2 | M2020F | Screw |
| 1 | M2038AB | Setscrew |
| 1 | X2458 | Lock Pin |