| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 235-44-11770 | AIR DRYER ASS'Y | 4001-4628 | |
| 235-44-13700 | VALVE BODY ASS'Y | 4001-4628 | ||
| 2 | \6\ | BODY,VALVE | 4001-4628 | |
| 3 | \6\ | O-RING (KIT) | 4001-@ | |
| 4 | \6\ | O-RING (KIT) | 4001-@ | |
| 5 | \6\ | PISTON | 4001-4628 | |
| 6 | \6\ | O-RING (KIT) | 4001-@ | |
| 7 | \6\ | VALVE ASS'Y (KIT) | 4001-@ | |
| 8 | \6\ | SPRING,VALVE | 4001-@ | |
| 9 | \6\ | BOLT | 4001-@ | |
| 10 | \6\ | WASHER,SPRING | 4001-@ | |
| 11 | \6\ | COVER,EXHAUST | 4001-@ | |
| 12 | \6\ | FILTER (KIT) | 4001-@ | |
| 13 | \6\ | DESICCANT (KIT) | 4001-4628 | |
| 14 | \6\ | GASKET,FILTER (KIT) | 4001-@ | |
| 15 | \6\ | FILTER,OIL (KIT) | 4001-@ | |
| 16 | \6\ | RING,GASKET (KIT) | 4001-@ | |
| 17 | \6\ | RING,SEAL (KIT) | 4001-@ | |
| 18 | \6\ | O-RING (KIT) | 4001-@ | |
| 19 | 235-44-13770 | HEATER | 4001-4628 | |
| 20 | 235-44-13900 | THERMOSTAT ASS'Y | 4001-4628 | |
| 21 | \6\ | BOOT,HEATER | 4001-4628 | |
| 22 | \6\ | TERMINAL | 4001-@ | |
| 23 | \6\ | CLAMP | 4001-@ | |
| 24 | \6\ | CAP | 4001-4628 | |
| 25 | \6\ | TERMINAL | 4001-4628 | |
| 26 | \6\ | O-RING (KIT) | 4001-@ | |
| SERVICE KIT | ||||
| KIT | 235-44-11780 | SERVICE KIT,AIR DRYER | 4001-4628 |