| Item | Part No. | Part Name | Qty | Serial No. |
| (723-57-12306) | CONTROL VALVE | 72694- | ||
| (723-57-12305) | CONTROL VALVE | 65441-72693 | ||
| (723-57-12304) | CONTROL VALVE | 64647-65440 | ||
| (723-57-12303) | CONTROL VALVE | 64132-64646 | ||
| (723-57-12302) | CONTROL VALVE | 63415-64131 | ||
| (723-57-12301) | CONTROL VALVE | 62811-63414 | ||
| (723-57-12300) | CONTROL VALVE | 60968-62810 | ||
| (723-57-11303) | CONTROL VALVE | 59563-60967 | ||
| (723-57-11302) | CONTROL VALVE | 59163-59562 | ||
| (723-57-11301) | CONTROL VALVE | 57353-59162 | ||
| (723-57-11300) | CONTROL VALVE | 57000-57352 | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1663-21A0 TO Y1663-33A0. | ||||
| \6\ | BODY GROUP | 72694- | ||
| \6\ | BODY GROUP | 65441-72693 | ||
| \6\ | BODY GROUP | 64647-65440 | ||
| \6\ | BODY GROUP | 62811-64646 | ||
| \6\ | BODY GROUP | 60968-62810 | ||
| \6\ | BODY GROUP | 59563-60967 | ||
| \6\ | BODY GROUP | 59163-59562 | ||
| \6\ | BODY GROUP | 57000-59162 | ||
| 1 | 723-56-31610 | VALVE | 57000- | |
| 2 | 723-56-31620 | SPRING | 57000- | |
| 3 | 723-56-31630 | PLUG | 57000- | |
| 4 | 723-56-31640 | PLUG | 57000- | |
| 5 | 07002-11623 | O-RING | 57000- | |
| 6 | 07000-11008 | O-RING | 57000- | |
| 7 | 723-56-31651 | VALVE | 72694- | |
| 7 | 723-56-31650 | VALVE | 57000-72693 | |
| 8 | 709-70-91420 | SPRING | 57000- | |
| 9 | 723-56-31660 | RETAINER | 57000- | |
| 10 | 723-56-31670 | SEAT | 57000- | |
| 11 | 723-56-31830 | UNION | 57000- | |
| 12 | 709-74-91520 | PLUG | 57000- | |
| 13 | 709-25-11390 | O-RING | 57000- |