| Item | Part No. | Part Name | Qty | Serial No. |
| (23D-60-13500) | CONTROL VALVE ASS'Y | 4501- | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.6212 AND 6213. | ||||
| THE KAYABA KOGYO PART NUMBER IS THAT KB IS REMOVED FROM KOMATSU PART NUMBER LISTED BELOW. | ||||
| KB21013-35188 | SPOOL SECTION ASS'Y | 4501- | ||
| 1 | \6\ | HOUSING | 4501- | |
| 2 | \6\ | O-RING (K17) | 4501- | |
| 3 | \6\ | WIPER (K17) | 4501- | |
| 4 | \6\ | SPOOL | 4501- | |
| 5 | KB21011-30613 | SPRING | 4501- | |
| 6 | KB21011-30702 | SEAT,SPRING | 4501- | |
| 7 | KB21011-30507 | SCREW | 4501- | |
| 8 | KB21011-31011 | CAP | 4501- | |
| 9 | KB21011-31702 | PLATE | 4501- | |
| 10 | KB92702-06181 | BOLT | 4501- | |
| 11 | KB21011-31702 | PLATE | 4501- | |
| 12 | KB91111-60102 | SCREW | 4501- | |
| 13 | KB21011-32404 | POPPET | 4501- | |
| 14 | KB21011-30606 | SPRING | 4501- | |
| 15 | \6\ | O-RING (K17) | 4501- | |
| 16 | KB21011-30153 | OUTER SECTION | 4501- |