| Item | Part No. | Part Name | Qty | Serial No. |
| (6138-72-1400) | INJECTION PUMP ASS'Y | 50001- | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.0451 TO 0481. | ||||
| THE ZEXEL PART NUMBER IS THAT DK IS REMOVED FROM KOMATSU PART NUMBER LISTED BELOW. | ||||
| DK105210-4800 | FEED PUMP ASS'Y | 50001- | ||
| 1 | DK152051-0020 | HOUSING | 50001- | |
| 2 | DK152100-1120 | PISTON | 50001- | |
| 3 | DK152102-1600 | SPRING,PISTON | 50001- | |
| 4 | DK152105-0200 | PLUG | 50001- | |
| 5 | DK029332-6030 | GASKET | 50001- | |
| 6 | DK152111-2920 | TAPPET ASS'Y | 50001- | |
| 7 | DK152112-0100 | ROLLER | 50001- | |
| 8 | DK152113-0100 | PIN | 50001- | |
| 9 | DK152114-0700 | GUIDE | 50001- | |
| 10 | DK152115-0100 | VALVE | 50001- | |
| 11 | DK152116-0200 | SPRING | 50001- | |
| 12 | DK152117-0100 | PLUG | 50001- | |
| 13 | DK029331-6030 | GASKET | 50001- | |
| 14 | DK029631-6060 | O-RING | 50001- | |
| 15 | DK152121-0200 | RING,SNAP | 50001- | |
| 16 | DK152200-5420 | PUMP,PRIMING | 50001- | |
| 17 | DK152300-0120 | BOLT,EYE | 50001- | |
| 18 | DK029711-4310 | EYE,EYE | 50001- | |
| 19 | DK029731-4680 | BOLT,EYE | 50001- | |
| 20 | DK029341-4130 | GASKET | 50001- | |
| 21 | DK152320-0100 | COVER | 50001- |