| Item | Part No. | Part Name | Qty | Serial No. |
| 6136-81-3112 | AIR COMPRESSOR ASS'Y | 81520- | ||
| THE ZEXEL PART NUMBER IS THAT DK IS REMOVED FROM KOMATSU PART NUMBER LISTED BELOW. | ||||
| 1 | DK487000-1200 | CASE,CRANK | 81520- | |
| 2 | DK487046-0100 | STUD | 81520- | |
| 3 | DK487007-0400 | ADAPTER | 81520- | |
| 4 | DK487001-2500 | CYLINDER | 81520- | |
| 5 | DK010110-2570 | BOLT | 81520- | |
| 6 | DK014111-0440 | WASHER,SPRING | 81520- | |
| 7 | DK487018-2020 | HEAD,CYLINDER | 81520- | |
| 8 | DK487020-0400 | GASKET | 81520- | |
| 9 | DK010110-2570 | BOLT | 81520- | |
| 10 | DK014111-0440 | WASHER,SPRING | 81520- | |
| 11 | DK014011-0140 | WASHER | 81520- | |
| 12 | DK487021-1220 | VALVE ASS'Y,UNLOADER | 81520- | |
| 13 | DK487054-0310 | CAP | 81520- | |
| 14 | DK029331-8040 | GASKET | 81520- | |
| 15 | DK487030-1420 | DELIVERY VALVE A. | 81520- | |
| 16 | DK029332-2100 | GASKET | 81520- | |
| 17 | DK487008-2500 | CRANKSHAFT | 81520- | |
| 18 | DK016660-2640 | BEARING | 81520- | |
| 19 | DK487014-0600 | METAL | 81520- | |
| 20 | DK487013-0920 | CONNECTING ROD A. | 81520- | |
| 21 | DK487017-0400 | BOLT | 81520- | |
| 22 | DK029200-8130 | NUT | 81520- | |
| 23 | DK029300-8490 | WASHER,LOCK | 81520- | |
| 24 | DK487009-0400 | PISTON | 81520- | |
| 25 | DK487099-5820 | PISTON RING ASS'Y | 81520- | |
| 26 | DK487012-0400 | PIN,PISTON | 81520- | |
| 27 | DK016110-1610 | RING,SNAP | 81520- | |
| 28 | DK487003-1900 | COVER | 81520- | |
| 29 | DK010006-1670 | BOLT | 81520- | |
| 30 | DK014110-6440 | WASHER,SPRING | 81520- | |
| 31 | DK029622-5160 | SEAL,OIL | 81520- |