| Item | Part No. | Part Name | Qty | Serial No. |
| 723-57-13801 | VALVE ASS'Y | 1976- | ||
| 723-57-13800 | VALVE ASS'Y | 1501-1975 | ||
| THESE ASSEMBLIES CONSIST OF ALL PARTS SHOWN IN FIGS.Y1662-21A0 TO Y1662-33A0. | ||||
| \6\ | BODY GROUP | 1976- | ||
| \6\ | BODY GROUP | 1501-1975 | ||
| 1 | \6\ | BLOCK,VALVE | 1501- | |
| 2 | \6\ | BLOCK,VALVE | 1501- | |
| 3 | \6\ | BLOCK,VALVE | 1501- | |
| 4 | \6\ | BLOCK,VALVE | 1501- | |
| 5 | \6\ | BLOCK,VALVE | 1501- | |
| 6 | \6\ | BLOCK,VALVE | 1501- | |
| 7 | 144-14-54610 | O-RING | 1501- | |
| 8 | 723-56-31720 | O-RING | 1501- | |
| 9 | 723-56-31730 | O-RING | 1501- | |
| 10 | 702-75-11520 | O-RING | 1501- | |
| 11 | 07000-12012 | O-RING | 1501- | |
| 12 | 07000-11008 | O-RING | 1501- |