| |$0 | 421-U12-3100 | Pre-cleaner | |
| 1 | Hood, Precleaner | ||
| 2 | 421-U12-3130 | Body, Precleaner | |
| 3 | 421-U12-3140 | Clamp | |
| 4 | 421-U12-3150 | Rotor | |
| 5 | 421-U12-3160 | Bolt | |
| 6 | 421-U12-3170 | Ring, Snap | |
| 7 | 421-U12-3180 | Bearing, Ball | |
| 8 | 421-U12-3190 | Bushing | |
| 9 | 421-U12-3210 | Washer | |
| 10 | 421-U12-3220 | Washer, Flat | |
| 11 | 421-U12-3230 | Nut | |
| 12 | 421-U12-3240 | Bolt | |
| 13 | 421-U12-3250 | Nut | |
| 14 | 421-U12-3260 | Plug, Plastic |
