| Item | Part No. | Part Name | Qty | Serial No. |
| 723-57-12305 | CONTROL VALVE | 52806- | ||
| 723-57-12304 | CONTROL VALVE | 52450-52805 | ||
| 723-57-12303 | CONTROL VALVE | 52372-52449 | ||
| 723-57-12302 | CONTROL VALVE | 52071-52371 | ||
| 723-57-12301 | CONTROL VALVE | 51911-52070 | ||
| 723-57-12300 | CONTROL VALVE | 51480-51910 | ||
| 723-57-11303 | CONTROL VALVE | 51171-51479 | ||
| 723-57-11302 | CONTROL VALVE | 51135-51170 | ||
| 723-57-11301 | CONTROL VALVE | 51020-51134 | ||
| 723-57-11300 | CONTROL VALVE | 51000-51019 | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1663-21A0 TO Y1663-33A0. | ||||
| \6\ | BODY GROUP | 52806- | ||
| \6\ | BODY GROUP | 52450-52805 | ||
| \6\ | BODY GROUP | 51911-52449 | ||
| \6\ | BODY GROUP | 51480-51910 | ||
| \6\ | BODY GROUP | 51171-51479 | ||
| \6\ | BODY GROUP | 51135-51170 | ||
| \6\ | BODY GROUP | 51000-51134 | ||
| 1 | \6\ | BLOCK,VALVE | 51911- | |
| \6\ | BLOCK,VALVE | 51000-51910 | ||
| 2 | \6\ | BLOCK,VALVE | 51000- | |
| 3 | \6\ | BLOCK,VALVE | 51000- | |
| 4 | \6\ | BLOCK,VALVE | 51000- | |
| 5 | \6\ | BLOCK,VALVE | 51000- | |
| 6 | \6\ | BLOCK,VALVE | 51000- | |
| 7 | 144-14-54610 | O-RING | 51000- | |
| 8 | 723-56-31720 | O-RING | 51000- | |
| 9 | 723-56-31730 | O-RING | 51000- | |
| 10 | 702-75-11520 | O-RING | 51000- | |
| 11 | 07000-12012 | O-RING | 51000- | |
| 12 | 07000-11008 | O-RING | 51000- |