| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 37A-01-11780 | HOSE | 37BF50111- | |
| 2 | 37A-98-12260 | PLATE, ENGINE AIR FILTER | 37BF50111- | |
| 3 | 37A-01-11770 | PRE FILTER | 37BF50111- | |
| 4 | 37A-01-11751 | AIR FILTER, ASSEMBLY | 37BF50111- | |
| 5 | \6\ | BODY, AIR CLEANER | 37BF50111- | |
| 6 | 37A-01-11730 | SAFETY AIR FILTER CARTRIDGE | 37BF50111- | |
| 7 | 37A-01-11720 | AIR FILTER CARTRIDGE | 37BF50111- | |
| 8 | \6\ | COVER AIR FILTER | 37BF50111- | |
| 9 | \6\ | VALVE | 37BF50111- | |
| 10 | 01598-00809 | NUT | 37BF50111- | |
| 11 | 37A-09-4A009 | WASHER | 37BF50111- | |
| 12 | 37A-01-11760 | CLAMP | 37BF50111- | |
| 13 | 37A-01-11740 | BENT | 37BF50111- | |
| 14 | 01643-10823 | WASHER | 37BF50111- | |
| 15 | 37A-98-12160 | PLATE, IMPORTANT, ENGINE AIR FILTER | 37BF50111- | |
| 16 | 01010-80840 | BOLT | 37BF50111- | |
| SEE FIG. 0131 |