| Item | Part No. | Part Name | Qty | Serial No. |
| 426-07-23500 | FILTER BOX ASS'Y | 51001- | ||
| 1 | 423-07-23511 | BOX ASS'Y | 51001- | |
| 1 | \6\ | BOX | 51001- | |
| 2 | 418-07-23340 | SHEET | 51001- | |
| 3 | 418-07-23350 | SHEET | 51001- | |
| 4 | 423-07-23530 | SHEET | 51001- | |
| 5 | 421-07-12312 | FILTER | 51001- | |
| 6 | 426-07-23440 | BRACKET | 51001- | |
| 6 | 421-07-23450 | SHEET | 51001- | |
| 7 | 01434-00840 | BOLT, WING | 51001- | |
| 8 | 01640-20816 | WASHER | 51001- | |
| 9 | 01435-01025 | BOLT | 51001- | |
| 10 | 01435-01025 | BOLT | 51001- | |
| 11 | 421-09-21380 | GROMMET | 51001- | |
| 12 | (425-07-21141) | DAMPER ASS'Y | 51001- | |
| 13 | 425-07-21160 | RELAY | 51001- | |
| 14 | 01435-00620 | BOLT | 51001- | |
| 15 | (425-07-23110) | HEATER UNIT | 51001- |