| Item | Part No. | Part Name | Qty | Serial No. |
| 23D-60-13400 | CONTROL VALVE ASS'Y | 6501- | ||
| THE KAYABA KOGYO PART NUMBER IS THAT KB IS REMOVED FROM KOMATSU PART NUMBER LISTED BELOW. | ||||
| KB21013-35188 | SPOOL SECTION ASS'Y | 6501- | ||
| 1 | \6\ | HOUSING | 6501- | |
| 2 | \6\ | O-RING | 6501- | |
| 3 | \6\ | WIPER | 6501- | |
| 4 | \6\ | SPOOL | 6501- | |
| 5 | KB21011-30613 | SPRING | 6501- | |
| 6 | KB21011-30702 | SEAT,SPRING | 6501- | |
| 7 | KB21011-30507 | SCREW | 6501- | |
| 8 | KB21011-31011 | CAP | 6501- | |
| 9 | KB21011-31702 | PLATE | 6501- | |
| 10 | KB92702-06181 | BOLT | 6501- | |
| 11 | KB21011-31702 | PLATE | 6501- | |
| 12 | KB91111-60102 | SCREW | 6501- | |
| 13 | KB21011-32404 | POPPET | 6501- | |
| 14 | KB21011-30606 | SPRING | 6501- | |
| 15 | \6\ | O-RING | 6501- | |
| KB21013-36640 | SPOOL SECTION ASS'Y | 6501- | ||
| 16 | \6\ | HOUSING | 6501- | |
| 17 | \6\ | O-RING | 6501- | |
| 18 | \6\ | WIPER | 6501- | |
| 19 | \6\ | SPOOL | 6501- | |
| 20 | \6\ | O-RING | 6501- | |
| 21 | KB21011-30646 | SPRING | 6501- | |
| 22 | KB21011-32313 | WASHER | 6501- | |
| 23 | KB21011-30702 | SEAT,SPRING | 6501- | |
| 24 | KB21011-30528 | SCREW | 6501- | |
| 25 | KB21011-31044 | CAP | 6501- | |
| 26 | KB21011-31702 | PLATE | 6501- | |
| 27 | KB92702-06181 | BOLT | 6501- | |
| 28 | KB21011-31702 | PLATE | 6501- | |
| 29 | KB91111-60102 | SCREW | 6501- | |
| 30 | KB93812-10200 | PIN | 6501- | |
| 31 | \6\ | O-RING | 6501- | |
| KB21013-30758 | SECTION ASS'Y,FLOW CONTROL | 6501- | ||
| 32 | \6\ | HOUSING | 6501- | |
| 33 | \6\ | SPOOL | 6501- | |
| 34 | KB21011-36504 | SPRING | 6501- | |
| 35 | KB21011-30997 | SPACER | 6501- | |
| 36 | KB21011-30998 | SPACER | 6501- | |
| 37 | \6\ | O-RING | 6501- | |
| 38 | \6\ | RING,BACK-UP | 6501- | |
| 39 | KB21011-32512 | ADJUSTER | 6501- | |
| 40 | KB21011-32947 | PLUG | 6501- | |
| 41 | \6\ | O-RING | 6501- | |
| 42 | KB21001-00504 | PLUG | 6501- | |
| 43 | \6\ | O-RING | 6501- | |
| 44 | KB21011-32404 | POPPET | 6501- | |
| 45 | KB21011-30604 | SPRING | 6501- | |
| 46 | \6\ | O-RING | 6501- | |
| 47 | KB21011-30153 | OUTER SECTION | 6501- | |
| KB21013-36018 | INLET SECTION ASS'Y | 6501- | ||
| 48 | KB21011-36315 | HOUSING | 6501- | |
| 49 | \6\ | O-RING | 6501- | |
| KB21003-00207 | PLUG ASS'Y | 6501- | ||
| 50 | KB21001-00504 | PLUG | 6501- | |
| 51 | \6\ | O-RING | 6501- | |
| 52 | KB21013-30664 | RELIEF VALVE ASS'Y | 6501- | |
| 53 | KB21051-30106 | STUD | 6501- | |
| 54 | KB93118-08652 | NUT | 6501- | |
| 55 | KB21051-30105 | STUD | 6501- | |
| 56 | KB93128-10082 | NUT | 6501- |