| Item | Part No. | Part Name | Qty | Serial No. |
| 423-U12-3100 | PRE-CLEANER | 70001-75227 | ||
| 1 | \6\ | HOOD | 70001-75227 | |
| 2 | 423-U12-3130 | BODY | 70001-75227 | |
| 3 | 421-U12-3140 | CLAMP | 70001-@ | |
| 4 | 423-U12-3150 | ROTOR | 70001-75227 | |
| 5 | 421-U12-3160 | BOLT | 70001-@ | |
| 6 | 421-U12-3170 | RING | 70001-@ | |
| 7 | 421-U12-3180 | BEARING | 70001-75227 | |
| 8 | 421-U12-3190 | BUSHING | 70001-75227 | |
| 9 | 421-U12-3210 | WASHER | 70001-75227 | |
| 10 | 421-U12-3220 | WASHER | 70001-75227 | |
| 11 | 421-U12-3230 | NUT | 70001-@ | |
| 12 | 421-U12-3240 | BOLT | 70001-@ | |
| 13 | 421-U12-3250 | NUT | 70001-@ | |
| 14 | 421-U12-3260 | PLUG | 70001-@ | |
| 15 | 20Y-54-74530 | SHEET | 70001-@ |