| Item | Part No. | Part Name | Qty | Serial No. |
| (175-15-41013) | TRANSMISSION ASS'Y | 31564- | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.F2320-51A1A TO F2320-63A1A. | ||||
| 175-15-00352 | VALVE ASS'Y | 31303- | ||
| 1 | 175-15-14111 | BODY | 31303- | |
| 2 | 175-15-14120 | SPRING | 31303- | |
| 3 | 175-15-14130 | SPOOL | 31303- | |
| 4 | 175-15-14141 | GUIDE | 31303- | |
| 5 | 175-15-14150 | COVER | 31303- | |
| 6 | 01010-80825 | BOLT | 31303- | |
| 7 | 01643-30823 | WASHER | 31303- | |
| 8 | 07000-73032 | O-RING (K4) | 31303- | |
| 9 | 175-15-14162 | GASKET (K4) | 31303- | |
| 10 | 175-15-44190 | SLEEVE | 31303- | |
| 11 | 07000-73022 | O-RING (K4) | 31303- | |
| 12 | 175-15-44180 | SLEEVE | 31303- | |
| 13 | 07000-72018 | O-RING (K4) | 31303- | |
| 14 | 01010-81065 | BOLT | 31303- | |
| 15 | 01010-81055 | BOLT | 31303- | |
| 16 | 01602-21030 | WASHER | 31303- |