| 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 | 723-56-31610 | VALVE | 1501- | |
| 2 | 723-56-31620 | SPRING | 1501- | |
| 3 | 723-56-31630 | PLUG | 1501- | |
| 4 | 723-56-31640 | PLUG | 1501- | |
| 5 | 07002-11623 | O-RING | 1501- | |
| 6 | 07000-11008 | O-RING | 1501- | |
| 7 | 723-56-31651 | VALVE | 1976- | |
| 7 | 723-56-31650 | VALVE | 1501-1975 | |
| 8 | 709-70-91420 | SPRING | 1501- | |
| 9 | 723-56-31660 | RETAINER | 1501- | |
| 10 | 723-56-31670 | SEAT | 1501- | |
| 11 | 723-56-32870 | UNION | 1501- | |
| 12 | 02896-11018 | O-RING | 1501- | |
| 13 | 709-74-91520 | PLUG | 1501- | |
| 14 | 07000-13024 | O-RING | 1501- |