| Item | Part No. | Part Name | Qty | Serial No. |
| (259-58-27100) | OIL PUMP ASS'Y,HST | 2001- | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.6101 TO 6104. | ||||
| 1 | 258-81-21960 | SHAFT | 2001- | |
| 2 | 258-81-21270 | BEARING,NEEDLE | 2001- | |
| 3 | 258-81-22140 | KEY | 2001- | |
| 4 | 258-81-22110 | PLATE,VALVE | 2001- | |
| 5 | 258-81-21510 | PIN,SPRING | 2001- | |
| 6 | 258-81-21720 | BLOCK | 2001- | |
| 7 | 258-81-21340 | PIN | 2001- | |
| 8 | 258-81-21330 | RETAINER | 2001- | |
| 9 | 258-81-21370 | GUIDE | 2001- | |
| 10 | 258-81-21360 | GUIDE | 2001- | |
| 11 | 258-81-21350 | PISTON ASS'Y | 2001- | |
| 12 | 258-81-21320 | WASHER | 2001- | |
| 13 | 258-81-21310 | SPRING | 2001- | |
| 14 | 258-81-21290 | WASHER | 2001- | |
| 15 | 258-81-21280 | RING | 2001- | |
| 16 | 258-81-21910 | PLATE | 2001- | |
| 17 | 258-81-21480 | PIN,SPRING | 2001- | |
| 18 | 258-81-21460 | SLEEVE | 2001- | |
| 19 | 258-81-21450 | PIN | 2001- | |
| 20 | 258-81-21920 | BEARING | 2001- | |
| 21 | 258-81-21440 | PIN,SPRING | 2001- | |
| 22 | 258-81-21710 | COVER | 2001- | |
| 23 | 258-81-21470 | GASKET | 2001- | |
| 24 | 258-81-21380 | PIN,SPRING | 2001- | |
| 25 | 258-81-21390 | SCREW | 2001- | |
| 26 | 258-81-21730 | SCREW | 2001- | |
| 27 | 258-81-21410 | BEARING,BALL | 2001- | |
| 28 | 258-81-21430 | RING,SNAP | 2001- | |
| 29 | 258-81-21930 | SEAL (K3) | 2001- | |
| 30 | 258-81-21420 | RING,SNAP | 2001- | |
| 31 | 258-81-22120 | GEROTOR | 2001- | |
| 32 | 258-81-21570 | COVER | 2001- | |
| 33 | 258-81-22130 | PIN | 2001- | |
| 34 | 258-81-22810 | ADAPTER | 2001- | |
| 35 | 258-81-21530 | RING | 2001- | |
| 36 | 258-81-21520 | O-RING (K3) | 2001- | |
| 37 | 258-81-21580 | SCREW | 2001- | |
| 38 | 258-81-22830 | PLATE | 2001- | |
| 39 | 258-81-22820 | O-RING (K3) | 2001- | |
| 40 | 258-81-22850 | O-RING (K3) | 2001- | |
| 41 | 258-81-22840 | SCREW | 2001- |