| Item | Part No. | Part Name | Qty | Serial No. |
| (20Y-979-3711) | UNIT ASS'Y | K30055-K31999 | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.Y1979-11A0 T0 Y1979-41A0. | ||||
| THE DENSO PART NUMBER IS THAT ND IS REMOVED FROM KOMATSU PART NUMBER LISTED BELOW. | ||||
| ND116300-4551 | BLOWER ASS'Y | K30055-K31999 | ||
| 1 | ND116250-4061 | CASE | K30055-K31999 | |
| 2 | ND116730-0600 | DOOR ASS'Y | K30055-K31999 | |
| 3 | ND949013-3690 | WASHER | K30055-K31999 | |
| 4 | ND016657-0311 | INSERT | K30055-K31999 | |
| 5 | ND116290-0780 | FLANGE | K30055-K31999 | |
| 6 | ND949001-2690 | SCREW | K30055-K31999 | |
| 7 | ND017732-3721 | LEVER | K30055-K31999 | |
| 8 | ND91370-03081 | SCREW | K30055-K31999 | |
| 9 | 20Y-979-2940 | MOTOR | K30055-K31999 | |
| 10 | ND116662-1880 | SHAFT | K30055-K31999 | |
| 11 | 17M-911-3290 | CLAMP | K30055-K31999 | |
| 12 | ND90930-05161 | SCREW | K30055-K31999 | |
| 13 | ND146622-6880 | PACKING | K30055-K31999 | |
| 14 | ND116340-3320 | MOTOR ASS'Y | K30055-K31999 | |
| 15 | ND116221-0960 | FAN | K30055-K31999 | |
| 16 | ND017231-2370 | CLAMP | K30055-K31999 | |
| 17 | ND246611-9990 | BRACKET | K30055-K31999 | |
| 18 | ND949047-2370 | BOLT | K30055-K31999 | |
| 19 | ND146651-1850 | PIPE | K30055-K31999 | |
| 20 | ND246810-1250 | RESISTOR | K30055-K31999 | |
| 21 | ND90930-04161 | SCREW | K30055-K31999 | |
| 22 | ND058700-2801 | RELAY | K30055-K31999 | |
| 23 | ND146691-2790 | CLAMP | K30055-K31999 | |
| 24 | ND146690-0640 | CLAMP | K30055-K31999 |