| Item | Part No. | Part Name | Qty | Serial No. |
| SERIAL NO. 80198 INDICATES D21A-7. THE OTHER MACHINES ARE AS FOLLOWS. | ||||
| D20A-7 = 80088 | ||||
| D20A-7B = 80059 | ||||
| D21A-7B = 80142 | ||||
| 1 | (104-60-41600) | VALVE ASS'Y,(SEE FIG. Y1680-31A1) | 78604-80198 | |
| 2 | 700-22-11750 | PLUG | 78604-80198 | |
| 3 | 700-26-11160 | PLUG | 78604-80198 | |
| 4 | 01010-80825 | BOLT | 78604-80198 | |
| 5 | 01602-20825 | WASHER,SPRING | 78604-80198 | |
| 6 | 104-60-32121 | BRACKET | 78604-80198 | |
| 7 | 01010-80825 | BOLT | 78604-80198 | |
| 8 | 01602-20825 | WASHER,SPRING | 78604-80198 | |
| 9 | 104-60-32130 | CUSHION | 78604-80198 | |
| 10 | 104-60-32140 | COLLAR | 78604-80198 | |
| 11 | 07000-02015 | O-RING | 78604-80198 |