| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 20M-60-31111 | TANK | 2501-3100 | |
| 2 | 07056-10045 | STRAINER | 2501-@ | |
| 3 | 07051-20000 | CAP | 2501-@ | |
| 4 | 07051-00003 | GASKET | 2501-@ | |
| 5 | 20N-60-11141 | GAUGE | 2501-@ | |
| 6 | 07044-12412 | PLUG | 2501-@ | |
| 7 | 07002-02434 | O-RING | 2501-@ | |
| 8 | 20M-60-31140 | STRAINER | 2501-@ | |
| 9 | 20M-60-31210 | FLANGE | 2501-3001 | |
| 10 | 07000-02080 | O-RING | 2501-3001 | |
| 11 | 01010-51025 | BOLT | 2501-3001 | |
| 12 | 01602-21030 | WASHER | 2501-3001 | |
| 13 | 01010-51020 | BOLT | 2501-3001 | |
| 14 | 01602-21030 | WASHER | 2501-3001 | |
| 20M-60-31220 | FILTER ASS'Y | 2501-@ | ||
| 15 | 20M-60-31240 | HEAD | 2501-@ | |
| 20M-60-31230 | CARTRIDGE ASS'Y | 2501-@ | ||
| 16 | 20M-60-31250 | CARTRIDGE | 2501-@ | |
| 17 | 20M-60-31260 | PACKING | 2501-@ | |
| 18 | 20M-60-31181 | FLANGE | 2501-3100 | |
| 19 | 07000-03025 | O-RING | 2501-3100 | |
| 20 | 01010-50825 | BOLT | 2501-3100 | |
| 21 | 01602-20825 | WASHER | 2501-3100 | |
| 22 | 20M-60-31270 | ELBOW | 2501-@ | |
| 23 | 20M-60-31310 | COVER | 2501-3100 | |
| 24 | 01010-50820 | BOLT | 2501-3100 | |
| 25 | 01602-20825 | WASHER | 2501-3100 | |
| 26 | 01643-30823 | WASHER | 2501-3100 |