| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 175-916-2620 | SPOOL | B3001- | |
| 2 | 175-916-2610 | HOUSING | B3001- | |
| 3 | 175-916-2630 | SPRING | B3001- | |
| 4 | 175-916-2640 | RING | B3001- | |
| 5 | 14X-960-2661 | GEAR | B3001- | |
| 6 | 14X-960-2670 | GEAR | B3001- | |
| 7 | 14X-960-2650 | PLATE | B3001- | |
| 8 | 176-76-13230 | DISK | B3001- | |
| 9 | 100-22-15210 | PLATE | B3001- | |
| 10 | 07043-70108 | PLUG | B3001- | |
| 11 | 14X-960-2510 | BOLT | B3001- | |
| 12 | 144-916-2590 | SPRING | B3001- | |
| 13 | 14X-960-2580 | SPRING | B3001- | |
| 14 | 144-916-2850 | DRUM | B3001- | |
| 15 | 144-916-2550 | PLATE | B3001- | |
| 16 | 144-916-2560 | PISTON | B3001- | |
| 17 | 14X-960-2570 | PISTON | B3001- | |
| 18 | 144-916-2520 | SEAL | B3001- | |
| 19 | 07000-05135 | O-RING | B3001- | |
| 20 | 07000-05190 | O-RING | B3001- | |
| 21 | 144-916-2570 | SCREW | B3001- | |
| 22 | 144-916-2540 | HOUSING | B3001- | |
| 23 | 14X-960-2590 | SPRING | B3001- |