| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 235-44-11771 | AIR DRYER ASS'Y,(DR-31) | 20001- | |
| 235-44-13701 | VALVE BODY ASS'Y | 20001- | ||
| 2 | \6\ | BODY,VALVE | 20001- | |
| 3 | \6\ | O-RING (K4) | 20001- | |
| 4 | \6\ | O-RING (K4) | 20001- | |
| 5 | \6\ | PISTON | 20001- | |
| 6 | \6\ | O-RING | 20001- | |
| 7 | \6\ | VALVE ASS'Y (K4) | 20001- | |
| 8 | \6\ | SPRING,VALVE (K4) | 20001- | |
| 9 | \6\ | BOLT | 20001- | |
| 10 | \6\ | WASHER,SPRING | 20001- | |
| 11 | \6\ | COVER,EXHAUST | 20001- | |
| 12 | \6\ | FILTER (K4) | 20001- | |
| 13 | \6\ | DESICCANT (K4) | 20001- | |
| 14 | \6\ | GASKET,FILTER (K4) | 20001- | |
| 15 | \6\ | FILTER,OIL (K4) | 20001- | |
| 16 | \6\ | RING,GASKET (K4) | 20001- | |
| 17 | \6\ | RING,SEAL (K4) | 20001- | |
| 18 | \6\ | O-RING (K4) | 20001- | |
| 19 | 235-44-13771 | HEATER | 20001- | |
| 20 | 235-44-13901 | THERMOSTAT ASS'Y | 20001- | |
| 21 | \6\ | BOOT,HEATER | 20001- | |
| 22 | \6\ | TERMINAL | 20001- | |
| 23 | \6\ | CLAMP | 20001- | |
| 24 | \6\ | CAP | 20001- | |
| 25 | \6\ | TERMINAL | 20001- | |
| 26 | \6\ | O-RING (K4) | 20001- |