| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 21D-09-52510 | TEE | 21D0220079- | |
| 2 | 21D-09-55610 | ELBOW | 21D0220079- | |
| 3 | 21D-09-69970 | O-RING | 21D0220079- | |
| 4 | 22E-09-14130 | HOSE | 21D0220079- | |
| 5 | 21D-09-51160 | UNION | 21D0220079- | |
| 6 | 21D-09-69960 | O-RING | 21D0220079- | |
| 7 | 226-62-12240 | PIPE | 21D0220079-21D0220355 | |
| 7 | 226-62-12241 | PIPE | 21D0220356- | |
| 7 | 226-62-12250 | PIPE (FOR 2-PIECE BOOM) | 21D0220079-21D0220355 | |
| 7 | 226-62-12251 | PIPE (FOR 2-PIECE BOOM) | 21D0220356- | |
| 8 | 21D-09-69870 | O-RING | 21D0220079- | |
| 9 | 01252-40830 | SCREW | 21D0220079- | |
| 10 | 21D-09-73690 | SPRING WASHER | 21D0220079- | |
| 11 | 21D-60-17230 | VALVE, ASSY. | 21D0220079- | |
| 12 | 21D-60-17330 | KIT, GASKET | 21D0220079- | |
| 13 | 01010-50880 | BOLT | 21D0220079- | |
| 14 | 21D-62-15530 | FLANGE | 21D0220079- | |
| 15 | 21D-09-69870 | O-RING | 21D0220079- | |
| 16 | 21D-62-11780 | FLANGE | 21D0220079- | |
| 17 | 21D-09-69110 | O-RING | 21D0220079- | |
| 18 | 22E-09-12540 | HOSE | 21D0220079- | |
| 19 | 21D-06-12360 | HOSE-CLAMP | 21D0220079- | |
| 20 | 21D-09-59450 | UNION | 21D0220079- | |
| 21 | 21D-09-52520 | TEE | 21D0220079- | |
| SEE FIG. 4225 | ||||
| SEE FIG. 6770 |