| Item | Part No. | Part Name | Qty | Serial No. |
| 01 | 643 410 40 | Bottom roller, assy. | ||
| 02 | 307 612 99 | Bolt | ||
| 03 | 316 211 99 | Washer | ||
| 04 | 621 161 40 | Axle stirrup | ||
| 05 | 448 976 40 | Roller bearing | ||
| 06 | 429 222 40 | Stop washer | ||
| 07 | 461 627 40 | Lifetime seal | ||
| 08 | 506 597 98 | O-ring | ||
| 09 | 643 405 40 | Bottom roller body with bush | ||
| 10 | Bottom roller body These parts are not sold separately | |||
| 11 | 448 973 40 | Freeze-in bush | ||
| 12 | 339 918 99 | Seal ring | ||
| 13 | 349 989 99 | Plug | ||
| 14 | 448 977 40 | Axle | ||
| 763 484 73 | Seal kit fig-nos: 07,08,12 and 13 | |||
| Bottom roller is filled with oil |