| Item | Part No. | Part Name | Qty | Serial No. |
| \0\23B-40-11400 | VALVE ASS'Y,STEERING | 4501- | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.2715 AND 2717. | ||||
| 23B-40-11450 | HOUSING ASS'Y,CONTROL | 4501- | ||
| 1 | \6\ | HOUSING | 4501- | |
| 2 | \6\ | SLEEVE,CONTROL | 4501- | |
| 3 | \6\ | SPOOL,CONTROL | 4501- | |
| 4 | 237-40-12620 | PIN | 4501- | |
| 5 | 23B-40-11490 | SPRING,CENTER RING | 4501- | |
| 6 | 237-40-12550 | RETAINER | 4501- | |
| 7 | 237-40-12540 | BALL | 4501- | |
| 8 | 237-40-12520 | SEAT | 4501- | |
| 9 | \6\ | O-RING (KIT) | 4501- | |
| 10 | 237-40-12490 | SCREW,SET | 4501- | |
| 11 | \6\ | O-RING (KIT) | 4501- | |
| 237-40-12460 | BEARING ASS'Y | 4501- | ||
| 12 | 237-40-12480 | NEEDLE | 4501- | |
| 13 | 237-40-12470 | RACE | 4501- | |
| 14 | \6\ | O-RING (KIT) | 4501- | |
| 15 | 237-40-12430 | BUSHING | 4501- | |
| 16 | 237-40-12420 | RING | 4501- | |
| 17 | \6\ | SEAL,DUST (KIT) | 4501- | |
| 18 | 23B-40-11440 | PLATE,SPACER | 4501- | |
| 19 | \6\ | O-RING (KIT) | 4501- | |
| 20 | 237-40-12650 | SHAFT | 4501- | |
| 21 | 23B-40-11420 | DRIVE | 4501- | |
| 22 | 23B-40-11430 | SPACER | 4501- | |
| 23 | 23B-40-11410 | CAP,END | 4501- | |
| 24 | \6\ | O-RING (KIT) | 4501- | |
| 25 | 23A-40-11210 | SCREW | 4501- | |
| 26 | \6\ | SEAL (KIT) | 4501- | |
| SERVICE KIT | ||||
| KIT | 23B-40-11730 | SERVICE KIT,STEERING VALVE | 4584- | |
| \0\23B-40-11530 | SERVICE KIT,STEERING VALVE | 4501-4583 |