| 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\ | VALVE | 1501- | |
| 2 | \6\ | VALVE | 1501- | |
| 3 | \6\ | VALVE | 1501- | |
| 4 | \6\ | VALVE | 1501- | |
| 5 | \6\ | VALVE | 1501- | |
| 6 | 723-56-41721 | SPRING | 1501- | |
| 7 | 01643-30623 | WASHER | 1501- | |
| 8 | 01252-60610 | BOLT | 1501- | |
| 9 | 723-56-41821 | PLUG | 1501- | |
| 10 | 723-56-41830 | PLUG | 1501- | |
| 11 | 07002-12034 | O-RING | 1501- | |
| 12 | 723-56-41710 | SPRING | 1501- | |
| 13 | 723-56-41840 | PLUG | 1501- | |
| 14 | 07000-13024 | O-RING | 1501- | |
| 15 | 723-26-15230 | PLUG | 1501- | |
| 16 | 723-56-41880 | PLUG | 1501- | |
| 17 | 07002-12434 | O-RING | 1501- | |
| 18 | \6\ | VALVE | 1501- | |
| 19 | \6\ | VALVE | 1501- | |
| 20 | \6\ | VALVE SUB ASS'Y | 1501- | |
| 21 | \6\ | VALVE SUB ASS'Y | 1501- | |
| 22 | \6\ | PISTON | 1501- | |
| 23 | \6\ | PISTON | 1501- | |
| 24 | 723-56-41730 | SPRING | 1501- | |
| 25 | 723-56-41760 | SPRING | 1501- | |
| 26 | 723-56-41740 | SPRING | 1501- | |
| 27 | 723-56-41850 | PLUG | 1501- |