| Item | Part No. | Part Name | Qty | Serial No. |
| 723-23-10604 | VALVE ASS'Y | 2001- | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.Y1663-01A0 T0 Y1663-07A0. | ||||
| 1 | \6\ | BLOCK | 2001- | |
| 2 | \6\ | BLOCK,VALVE | 2001- | |
| 3 | \6\ | BLOCK,VALVE | 2001- | |
| 4 | 723-26-21720 | COVER | 2001- | |
| 5 | 07000-12120 | O-RING | 2001- | |
| 6 | 723-26-15830 | O-RING | 2001- | |
| 7 | 723-26-15840 | O-RING | 2001- | |
| 8 | 07000-12020 | O-RING | 2001- | |
| 9 | 07000-11008 | O-RING | 2001- | |
| 10 | 700-25-11120 | BOLT | 2001- | |
| 11 | 01643-31032 | WASHER | 2001- |