| Item | Part No. | Part Name | Qty | Serial No. |
| UC4100698141 | VALVE BLOCK ASS'Y | A89001- | ||
| 1 | \6\ | BODY | A89001- | |
| 2 | \6\ | SPOOL | A89001- | |
| 3 | (\7\UC1100693534) | GUIDE | A89001- | |
| 4 | (\7\UC1100393552) | SPRING SEAT | A89001- | |
| 5 | (\7\UC1100693561) | SPRING SEAT | A89001- | |
| 6 | (\7\UC1701532717) | NUT,HEXAGON | A89001- | |
| 7 | (\7\UC1801721079) | SCREW,ADJUSTING | A89001- | |
| 8 | (\7\UC1100693589) | SPRING | A89001- | |
| 9 | UC1198253902 | ORIFICE | A89001- | |
| 10 | \6\ | SPOOL | A89001- | |
| 11 | UC1100693579 | BUSHING | A89001- | |
| 12 | UC1808107819 | PLUG | A89001- | |
| 13 | UC1100693617 | SPRING SEAT | A89001- | |
| 14 | UC1100693608 | SPRING | A89001- | |
| 15 | UC1198273603 | PLUG | A89001- | |
| 16 | UC1301891009 | PLUG | A89001- | |
| 17 | \6\ | PLUG | A89001- | |
| 18 | \6\ | PLUG | A89001- | |
| 19 | \6\ | PLUG | A89001- | |
| 20 | UC1300022009 | O-RING | A89001- | |
| 21 | UC1300026002 | O-RING | A89001- | |
| 22 | UC1301169009 | O-RING | A89001- | |
| 23 | UC1301220003 | O-RING | A89001- | |
| 24 | UC1800011702 | O-RING | A89001- |