| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 419-60-15118 | TANK | 20001- | |
| 1A | 421-09-12780 | CUSHION,(WA320-1M,1P) | 10487- | |
| 2 | 01010-51625 | BOLT | 10001- | |
| 3 | 01643-31645 | WASHER | 10001- | |
| 4 | 07092-01000 | CAP | 10001- | |
| 4 | 07051-00003 | GASKET | 10001- | |
| 5 | 421-60-11622 | GAUGE,SIGHT | 10001- | |
| 6 | 07002-05234 | O-RING | 10001- | |
| 7 | 07063-01142 | ELEMENT | 20001- | |
| 8 | 195-60-16300 | VALVE ASS'Y | 20001- | |
| 9 | 195-60-16330 | SPRING | 20001- | |
| 10 | 419-60-15350 | COVER | 20001- | |
| 11 | 424-60-15150 | PLUG | 10001- | |
| 12 | 07000-02010 | O-RING | 10001- | |
| 13 | 07000-05175 | O-RING | 20001- | |
| 14 | 01435-01225 | BOLT | 20001- | |
| 15 | 424-01-11110 | PLUG | 10001- | |
| 16 | 419-60-15131 | PLATE | 10001- | |
| 17 | 419-60-15141 | PLATE | 10001- | |
| 18 | 01435-01225 | BOLT | 20001- | |
| 19 | 419-60-15171 | COVER | 20001- | |
| 20 | 01435-01220 | BOLT | 20001- | |
| 21 | 419-60-15340 | PLATE | 20001- | |
| 22 | 07000-05200 | O-RING | 10001- | |
| 23 | 01435-01020 | BOLT | 20001- | |
| 24 | 419-60-15231 | BREATHER ASS'Y,(WA320-1M,1P) | 10001- | |
| 24 | 285-62-17320 | ELEMENT,(WA320-1M,1P) | 10001- | |
| 24 | 419-60-15370 | O-RING,(WA320-1M,1P) | 10001- | |
| 24 | 419-60-15380 | O-RING,(WA320-1M,1P) | 10001- | |
| 24 | 419-60-15390 | O-RING,(WA320-1M,1P) | 10001- | |
| 24 | 424-60-15220 | RING,SNAP (WA320-1M,1P) | 10001- | |
| 25 | 07040-10807 | PLUG | 10001- | |
| 26 | 07002-00823 | O-RING | 10001- | |
| 27 | (700-92-14002) | VALVE ASS'Y | 10001- | |
| 28 | 419-64-13110 | SPACER | 10001- | |
| 29 | 01435-01280 | BOLT | 20001- | |
| 30 | 01011-51245 | BOLT | 10001- | |
| 31 | 01643-31232 | WASHER | 20001- | |
| 32 | 421-09-12320 | HOLDER | 10001- | |
| 33 | 01220-40412 | SCREW | 10001- | |
| 34 | 01220-40406 | SCREW | 10001- | |
| 35 | 01601-20410 | WASHER,SPRING | 10001- | |
| 36 | 01580-10403 | NUT | 10001- | |
| 37 | 418-60-15150 | STOPPER | 10001- | |
| 37A | 175-54-34170 | WASHER | 20001- | |
| 38 | 01220-40630 | SCREW | 10001- | |
| 39 | 01602-20619 | WASHER,SPRING | 10001- | |
| 40 | 01010-31650 | BOLT | 10001- | |
| 41 | 01643-31645 | WASHER | 20001- | |
| 42 | 01580-01613 | NUT | 20001- | |
| 43 | 418-46-12310 | SHIM, 1.0MM | 20001- |