| Item | Part No. | Part Name | Qty | Serial No. |
| 01 | 429 218 40 | Top roller | ||
| 01 | 429 230 40 | Top roller (cold weather design) | ||
| 02 | 429 257 40 | Support | ||
| 02 | 429 256 40 | Support (cold weather design) | ||
| 03 | 429 215 40 | Pin | ||
| 03 | 429 231 40 | Pin (cold weather design) | ||
| 04 | 345 150 99 | Dowel pin | ||
| 05 | 461 628 40 | Lifetime seal | ||
| 06 | 506 595 98 | O-ring | ||
| 07 | 313 484 99 | Plug | ||
| 08 | 429 217 40 | Top roller with freeze-in bushing | ||
| 09 | 429 216 40 | Freeze-in bushing |