| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 154-33-21210 | PISTON | 15686- | |
| 2 | 175-33-24440 | SPOOL | 15686- | |
| 3 | 04064-02512 | RING,SNAP | 15686- | |
| 4 | 154-33-21220 | BUSHING | 15686- | |
| 5 | 170-33-13370 | SPRING | 15686- | |
| 6 | 175-33-31310 | RETAINER | 25001- | |
| 6 | 170-33-13380 | RETAINER | 15686-25000 | |
| 7 | 154-33-21262 | SHAFT | 15686- | |
| 8 | 154-33-21180 | BODY,L.H. | 15686- | |
| 8 | 154-33-21190 | BODY,R.H. | 15686- | |
| 9 | 154-33-21420 | PLATE,LOCK | 15686- | |
| 10 | 154-33-21430 | PLATE,LOCK | 15686- | |
| 11 | 01010-81255 | BOLT | 15686- | |
| 12 | 04020-01228 | PIN,DOWEL | 15686- | |
| 13 | 07000-13028 | O-RING | 15686- | |
| 14 | 154-33-21310 | SHAFT | 15686- | |
| 15 | 04000-01030 | KEY | 15686- | |
| 16 | 154-33-21340 | SEAL,OIL | 15686- | |
| 17 | 154-33-21350 | SEAL,OIL | 15686- | |
| 18 | 154-33-21150 | LEVER | 15686- | |
| 19 | 01010-81235 | BOLT | 15686- | |
| 20 | 01602-21236 | WASHER,SPRING | 15686- | |
| 21 | 175-33-25990 | LEVER,L.H. | 15686- | |
| 21 | 154-33-21130 | LEVER,R.H. | 15686- | |
| 22 | 01010-81245 | BOLT | 15686- | |
| 23 | 01602-21236 | WASHER | 15686- | |
| 175-33-00065 | HOUSING ASS'Y,L.H | 21739- | ||
| 175-33-00064 | HOUSING ASS'Y,L.H. | 15686-21738 | ||
| 175-33-00076 | HOUSING ASS'Y,R.H. | 21739- | ||
| 175-33-00074 | HOUSING ASS'Y,R.H. | 15686-21738 | ||
| 24 | \6\ | HOUSING,L.H. | 21739- | |
| 24 | \6\ | HOUSING,L.H. | 15686-21738 | |
| 24 | \6\ | HOUSING,R.H. | 21739- | |
| 24 | \6\ | HOUSING,R.H. | 15686-21738 | |
| 25 | 154-33-21320 | BUSHING | 15686- | |
| 26 | 154-33-21330 | BUSHING | 15686- | |
| 27 | 175-33-24361 | COVER | 15686- | |
| 28 | 175-33-24591 | GASKET | 15686- | |
| 28 | \0\175-33-24511 | GASKET | 15686-31270 | |
| 29 | 01010-81235 | BOLT | 15686- | |
| 30 | 01602-21236 | WASHER | 15686- | |
| 31 | 154-33-21142 | CAP | 15686- | |
| 32 | 07000-12095 | O-RING | 15686- | |
| 33 | 01010-81025 | BOLT | 15686- | |
| 34 | 01602-21030 | WASHER | 15686- | |
| 35 | 175-33-24465 | GASKET | 31271- | |
| 35 | \0\175-33-24415 | GASKET | 21739-31270 | |
| 35 | 175-33-24413 | GASKET | 15686-21738 | |
| 36 | 04020-01228 | PIN,DOWEL | 15686- | |
| 37 | 195-33-11220 | SPACER | 15686- | |
| 38 | 01010-81265 | BOLT | 21739- | |
| 38 | 01010-31265 | BOLT | 15686-21738 | |
| 39 | 01643-31232 | WASHER,SPRING | 21739- | |
| 39 | 01602-01236 | WASHER,SPRING | 15686-21738 | |
| 40 | 01010-81285 | BOLT | 15686- | |
| 41 | 01643-31232 | WASHER,SPRING | 21739- | |
| 41 | 01602-01236 | WASHER,SPRING | 15686-21738 | |
| 42 | 04205-01645 | PIN | 15686- | |
| 43 | 01641-01626 | WASHER | 15686- | |
| 44 | 04050-04025 | PIN,COTTER | 15686- |