| Item | Part No. | Part Name | Qty | Serial No. |
| 421-U12-3101 | PRE-CLEANER | 52341- | ||
| 1 | \6\ | HOOD,PRECLEANER | 50001- | |
| 2 | 421-U12-3330 | BODY,PRECLEANER | 52341- | |
| 3 | 421-U12-3140 | CLAMP | 50001- | |
| 4 | 421-U12-3150 | ROTOR | 50001- | |
| 5 | 421-U12-3160 | BOLT | 50001- | |
| 6 | 421-U12-3170 | RING,SNAP | 50001- | |
| 7 | 421-U12-3181 | BEARING,BALL | 52341- | |
| 8 | 421-U12-3190 | BUSHING,SPACER | 52341- | |
| 9 | 418-U12-3410 | BUSHING | 52341- | |
| 10 | 418-U12-3420 | SHIELD | 52341- | |
| 11 | 421-U12-3230 | NUT | 50001- | |
| 12 | 421-U12-3240 | BOLT | 50001- | |
| 13 | 421-U12-3250 | NUT | 50001- | |
| 14 | 421-U12-3260 | PLUG | 50001- |