| Item | Part No. | Part Name | Qty | Serial No. |
| 709-63-11501 | CONTROL VALVE | 18001- | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.Y1663-01A0 AND Y1663-02A0. | ||||
| 1 | \6\ | BODY,VALVE | 18001- | |
| 2 | 07040-11409 | PLUG | 18001- | |
| 3 | 07002-11423 | O-RING | 18001- | |
| 4 | \6\ | SPOOL | 18001- | |
| 5 | 709-74-91980 | CASE | 18001- | |
| 6 | 709-63-11780 | RETAINER | 18001- | |
| 7 | 709-63-11770 | SPRING | 18001- | |
| 8 | 01252-60875 | BOLT | 18001- | |
| 9 | 01643-30823 | WASHER | 18001- | |
| 10 | 709-63-11740 | COLLAR | 18001- | |
| 11 | 709-63-11760 | COLLAR | 18001- | |
| 12 | 709-63-11720 | RETAINER | 18001- | |
| 13 | 709-74-92170 | O-RING | 18001- | |
| 14 | 01252-60825 | BOLT | 18001- | |
| 15 | 709-63-11750 | CASE | 18001- | |
| 16 | 07043-70108 | PLUG | 18001- | |
| 17 | 01252-60645 | BOLT | 18001- | |
| 18 | 07000-03028 | O-RING | 18001- | |
| 19 | 709-63-11330 | VALVE | 18001- | |
| 20 | 700-90-61170 | SPRING | 18001- | |
| 21 | 709-63-11320 | SEAT | 18001- | |
| 22 | 07000-12018 | O-RING | 18001- | |
| 23 | 709-63-11340 | BAR | 18001- | |
| 24 | 01010-81030 | BOLT | 18001- | |
| 25 | 702-19-11110 | PLUG | 18001- | |
| 26 | 700-84-11730 | BALL | 18001- | |
| 27 | 702-19-11120 | SEAT | 18001- | |
| 28 | 07000-11007 | O-RING | 18001- | |
| 29 | 07000-11009 | O-RING | 18001- | |
| 30 | 07002-11423 | O-RING | 18001- | |
| 31 | 07000-03035 | O-RING | 18001- | |
| 32 | 07000-02011 | O-RING | 18001- |