| Item | Part No. | Part Name | Qty | Serial No. |
| 20Y-979-3110 | AIR COMPRESSOR A. | 12001- | ||
| THE DENSO PART NUMBER IS THAT ND IS REMOVED FROM KOMATSU PART NUMBER LISTED BELOW. | ||||
| 1 | ND447200-0240 | COMPRESSOR ASS'Y | 12001- | |
| 2 | ND447300-1440 | CLUTCH ASS'Y | 12001- | |
| 3 | ND047310-7240 | STATOR | 12001- | |
| 4 | ND047350-7130 | ROTOR | 12001- | |
| 5 | ND447410-0010 | HUB | 12001- | |
| 6 | ND949047-2950 | BOLT | 12001- | |
| 7 | ND047372-0660 | COVER | 12001- | |
| 8 | ND949070-0831 | RING, SNAP | 12001- | |
| 9 | ND949070-0640 | RING, SNAP | 12001- | |
| 10 | ND949013-7480 | WASHER, 0.1MM | 12001- | |
| 11 | ND949013-7500 | WASHER, 0.3MM | 12001- | |
| 12 | ND949013-7510 | WASHER, 0.5MM | 12001- | |
| 13 | ND949048-0430 | BOLT | 12001- | |
| 14 | ND91310-05081 | SCREW | 12001- | |
| 15 | ND146691-4470 | CLAMP | 12001- |