| Item | Part No. | Part Name | Qty | Serial No. |
| 417-64-25020 | Valve Assembly, Priority | B20001- | ||
| 1 | Housing | B20001- | ||
| 2 | Spool | B20001- | ||
| 3 | 416-64-15230 | Spring | B20001- | |
| 4 | 417-64-25330 | Valve Assembly | B20001- | |
| 5 | 417-64-25320 | O-ring | B20001- | |
| 6 | 416-64-15250 | Plug | B20001- | |
| 7 | 416-64-15260 | O-ring | B20001- | |
| 8 | 416-64-15270 | Plug | B20001- | |
| 9 | 418-64-35513 | Bracket | B20001- | |
| 10 | 01010-81665 | Bolt | B20001- | |
| 11 | 01643-31645 | Washer | B20001- | |
| 12 | 418-64-35524 | Bracket | B20001- | |
| 13 | 417-62-31170 | Cushion | B20001- | |
| 14 | 417-62-31180 | Cushion | B20001- | |
| 15 | 417-54-13470 | Spacer | B20001- | |
| 16 | 419-43-17920 | Washer | B20001- | |
| 17 | 01010-81255 | Bolt | B20001- | |
| 18 | 01643-31232 | Washer | B20001- | |
| 19 | 01010-80885 | Bolt | B20001- | |
| 20 | 01643-30823 | Washer | B20001- |