| Item | Part No. | Part Name | Qty | Serial No. |
| 234-43-12502 | CYLINDER ASS'Y | 4004- | ||
| 1 | 234-43-12712 | CYLINDER | 4004- | |
| 2 | 234-43-12721 | COVER,ROD | 4004- | |
| 234-43-00130 | PISTON ASS'Y | 4004- | ||
| 3 | 234-43-12731 | PISTON | 4004- | |
| 4 | 234-43-12741 | ROD | 4004- | |
| 5 | 234-43-12761 | PIN,SPRING | 4004- | |
| 6 | 234-43-12751 | PACKING | 4004- | |
| 7 | 234-43-12771 | COVER,HEAD | 4004- | |
| 8 | 234-43-12781 | SEAL | 4004- | |
| 9 | 234-43-12791 | PACKING | 4004- | |
| 10 | 234-43-12811 | STOPPER | 4004- | |
| 11 | 234-43-12821 | SPRING | 4004- | |
| 12 | 234-43-12831 | BUSHING | 4004- | |
| 13 | 234-43-12840 | SCREW | 4004- | |
| 14 | 234-43-12850 | BUSHING | 4004- |