| Item | Part No. | Part Name | Qty | Serial No. |
| (257-20-21500) | ENGINE ASS'Y | 1501- | ||
| 1 | KT15521-5101-1 | INJECTION PUMP A. | 1501- | |
| 2 | KT15321-5211-3 | SHIM | 1501- | |
| 3 | KT01123-50822 | BOLT | 1501- | |
| 4 | KT01513-50822 | STUD | 1501- | |
| 5 | KT02156-50080 | NUT | 1501- | |
| 6 | KT04512-50080 | WASHER,SPRING | 1501- | |
| 7 | KT14311-6050-4 | COCK ASS'Y | 1501- | |
| KT15521-1602-1 | CAMSHAFT ASS'Y | 1501- | ||
| 8 | KT15521-1617-1 | CAMSHAFT,FUEL | 1501- | |
| 9 | KT08153-06205 | BEARING,BALL | 1501- | |
| 10 | KT15401-5115-3 | GEAR | 1501- | |
| 11 | KT05712-00525 | KEY | 1501- | |
| 12 | KT04612-00240 | RING,SNAP | 1501- | |
| 13 | KT15221-5545-3 | SLEEVE,GOVERNOR | 1501- | |
| 14 | KT15221-5547-1 | RING,SNAP | 1501- | |
| 15 | KT15221-5569-2 | CASE | 1501- | |
| 16 | KT07715-03205 | BALL | 1501- | |
| 17 | KT15221-5574-1 | RING,SNAP | 1501- | |
| 18 | KT07715-00805 | BALL | 1501- | |
| 19 | KT15521-5565-1 | GUIDE | 1501- | |
| 20 | KT05611-10310 | RIVET | 1501- | |
| 21 | KT08103-06205 | BEARING | 1501- | |
| 22 | KT15221-1632-1 | STOPPER | 1501- | |
| 23 | KT01123-50814 | BOLT,BALL | 1501- | |
| 24 | KT15521-5211-1 | SHIM | 1501- | |
| 25 | KT14111-4241-3 | JOINT | 1501- |