| Item | Part No. | Part Name | Qty | Serial No. |
| | SERIAL NO. IN ( ) INDICATES TRANSMISSION SERIAL NO. | | |
| (175-15-01221) | TRANSMISSION ASS'Y | | 31303-31563 |
| | THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.F2320-51A1 TO F2320-63A1. | | |
| 15A-15-15003 | VALVE ASS'Y | | (29746)-@ |
| 15A-15-15002 | VALVE ASS'Y | | 31303-(29745) |
| | THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.F2320-59A1 AND F2320-60A1. | | |
| 1 | 175-15-45110 | SEAT | | 31303-@ |
| 2 | 07000-73022 | O-RING (K3) | | 31303-@ |
| 3 | 01011-81035 | BOLT | | 31303-@ |
| 4 | 01010-81075 | BOLT | | 31303-@ |
| 5 | 01643-31032 | WASHER | | 31303-@ |
| 6 | 07000-73025 | O-RING (K3) | | 31303-@ |
| 7 | 175-15-45213 | BODY | | 31303-@ |
| 8 | 15A-15-16450 | PLUG | | 31303-@ |
| 9 | 07043-00415 | PLUG | | 31303-@ |
| 10 | 175-15-45220 | SPOOL | | 31303-@ |
| 11 | 09363-01053 | YOKE | | 31303-@ |
| 12 | 01580-11008 | NUT | | 31303-@ |
| 13 | 175-15-45260 | DETENT | | 31303-@ |
| 14 | 195-15-15680 | SPRING | | 31303-@ |
| 15 | 04260-00952 | BALL | | 31303-@ |
| 16 | 195-15-15671 | DETENT | | 31303-@ |
| 17 | 195-15-15680 | SPRING | | 31303-@ |
| 18 | 04260-00952 | BALL | | 31303-@ |
| 19 | 07000-73022 | O-RING (K3) | | 31303-(29745) |
| 20 | 154-15-45230 | SPOOL | | 31303-@ |
| 21 | 09363-01053 | YOKE | | 31303-@ |
| 22 | 01580-11008 | NUT | | 31303-@ |
| 23 | 144-15-25210 | PLUG | | 31303-@ |
| 24 | 07000-73022 | O-RING (K3) | | 31303-31563 |
