| Item | Part No. | Part Name | Qty | Serial No. |
| (21N-60-34100) | MOTOR ASS'Y | 20001- | ||
| KBB0443-13090 | BASE ASS'Y | 20001- | ||
| 1 | \6\ | BASE (K2) | 20001- | |
| \6\ | SPOOL ASS'Y (K2) | 20001- | ||
| 2 | \6\ | SPOOL (K2) | 20001- | |
| 3 | \6\ | CHECK VALVE (K2) | 20001- | |
| 4 | \6\ | SPRING (K2) | 20001- | |
| 5 | \6\ | PLUG (K2) | 20001- | |
| 6 | \6\ | O-RING (K1)(K2) | 20001- | |
| 7 | KB21961-40504 | SEAT | 20001- | |
| 8 | KB21961-60402 | SPRING | 20001- | |
| 9 | KBB0441-14008 | SEAT | 20001- | |
| KBB0853-06005 | CAP ASS'Y | 20001- | ||
| 10 | \6\ | CAP | 20001- | |
| 11 | \6\ | SCREW | 20001- | |
| 12 | \6\ | PLUG | 20001- | |
| 13 | \6\ | O-RING (K1) | 20001- | |
| 14 | \6\ | O-RING (K1) | 20001- | |
| 15 | \6\ | BOLT | 20001- | |
| KBB0853-01135 | RELIEF VALVE ASS'Y | 20001- | ||
| 16 | \6\ | SEAT | 20001- | |
| 17 | \6\ | HOUSING | 20001- | |
| 18 | \6\ | POPPET | 20001- | |
| 19 | \6\ | SEAT | 20001- | |
| 20 | \6\ | SPRING | 20001- | |
| 21 | \6\ | PLUG | 20001- | |
| 22 | \6\ | GUIDE | 20001- | |
| 23 | \6\ | SCREW | 20001- | |
| 24 | \6\ | NUT | 20001- | |
| 25 | \6\ | PISTON | 20001- | |
| 26 | \6\ | O-RING (K1) | 20001- | |
| 27 | \6\ | O-RING (K1) | 20001- | |
| 28 | \6\ | O-RING (K1) | 20001- | |
| 29 | \6\ | O-RING (K1) | 20001- | |
| 30 | \6\ | RING (K1) | 20001- | |
| 31 | \6\ | RING (K1) | 20001- | |
| 32 | \6\ | RING, BACK-UP (K1) | 20001- |