| Item | Part No. | Part Name | Qty | Serial No. |
| 124-43-00020 | PRIORITY VALVE ASS'Y | B20001- | ||
| 1 | 124-43-53160 | BODY¤ VALVE | B20001- | |
| 2 | 124-43-53170 | PLUG | B20001- | |
| 3 | 102-10-46360 | PLUG | B20001- | |
| 4 | 07002-32434 | O-RING | B20001- | |
| 5 | 103-15-15450 | VALVE | B20001- | |
| 6 | 125-15-15290 | SPRING,(L= 26.0) | B20001- | |
| 7 | 103-15-15460 | VALVE | B20001- | |
| 8 | 124-43-53180 | SPOOL | B20001- | |
| 9 | 113-15-25250 | SPRING,(L= 60.6) | B20001- | |
| 10 | 112-10-46180 | SPRING,(L= 53.5) | B20001- | |
| 11 | 112-10-46210 | SHIM¤ 0.5MM | B20001- | |
| 12 | 07043-70108 | PLUG | B20001- |