| Item | Part No. | Part Name | Qty | Serial No. |
| 419-64-25201 | VALVE ASS'Y,STEERING | 53001-53999 | ||
| 419-64-25301 | VALVE ASS'Y,STEERING | 53001-53999 | ||
| 1 | 419-64-15310 | SCREW | 53001-53999 | |
| 2 | 416-64-15130 | CAP,END | 53001-@ | |
| 3 | 419-64-25320 | GEROTOR | 53001-53999 | |
| 4 | 419-64-15330 | SPACER | 53001-@ | |
| 5 | 416-64-15160 | PLATE,SPACER | 53001-@ | |
| 6 | 416-64-15170 | DRIVE | 53001-@ | |
| 7 | 419-64-25330 | CONTROL ASS'Y | 53001-53999 | |
| 8 | 416-64-15410 | PIN | 53001-53999 | |
| 9 | 416-64-15190 | SPRING,WAVE | 53001-53999 | |
| 10 | 417-64-15110 | SPRING,FLAT | 53001-53999 | |
| 11 | 416-64-15420 | SCREW,SET | 53001-53999 | |
| 12 | 416-64-15430 | O-RING (KIT) | 53001-53999 | |
| 13 | 416-64-15440 | SEAT,CHECK | 53001-53999 | |
| 14 | 416-64-15450 | O-RING (KIT) | 53001-53999 | |
| 15 | 416-64-15460 | BALL | 53001-53999 | |
| 16 | 416-64-15470 | RETAINER | 53001-53999 | |
| 17 | 416-64-15490 | RACE,BEARING | 53001-53999 | |
| 18 | 416-64-15510 | NEEDLE | 53001-@ | |
| 19 | 416-64-15560 | O-RING (KIT) | 53001-@ | |
| 20 | 416-64-15581 | SEAL (KIT) | 53001-@ | |
| 21 | 416-64-15550 | SEAL,DUST (KIT) | 53001-@ | |
| 22 | 416-64-15530 | RING | 53001-@ | |
| 23 | 416-64-15540 | BUSHING | 53001-@ | |
| 24 | 416-64-15520 | O-RING (KIT) | 53001-53999 | |
| 25 | 419-64-25110 | VALVE ASS'Y,OVER LOAD | 53001-53999 | |
| 26 | 02010-70638 | BOLT | 53001-53999 | |
| 27 | 419-64-25220 | O-RING | 53001-53999 | |
| KIT | 416-64-15501 | SERVICE KIT | 53001-53999 |