| Item | Part No. | Part Name | Qty | Serial No. |
| 6731-21-1270 | CYLINDER BLOCK ASS'Y | 30379917- | ||
| \6\ | BLOCK ASS'Y | 30379917- | ||
| 1 | \6\ | BLOCK {CYLINDER} | 30379917- | |
| 2 | 6731-22-7140 | PLUG | 30379917- | |
| 3 | 6732-21-1910 | RING | 30379917- | |
| 4 | \5\6754-21-1220 | CAP | 30379917- | |
| 5 | 6732-21-1411 | BUSHING | 30379917- | |
| 6 | 6732-21-1611 | BOLT | 30379917- | |
| 7 | 6732-21-1820 | PLUG | 30379917- | |
| 8 | 6732-21-1810 | PLUG {EXPANSION} | 30379917- | |
| 6736-01-2110 | BLOCK SERVICE KIT | 30379917- | ||
| 9 | 6732-21-6140 | RING | 30379917- | |
| 10 | 6731-21-1190 | NOZZLE {PISTON COOLING} | 30379917- | |
| 11 | 6732-21-1910 | RING | 30379917- | |
| 12 | 6732-21-6120 | PIN | 30379917- | |
| 13 | 6732-11-1910 | PLUG | 30379917- | |
| 6735-21-1910 | PLUG ASS'Y | 30379917- | ||
| 14 | 6735-21-1920 | PLUG | 30379917- | |
| 15 | 6735-21-1930 | O-RING (K2) | 30379917- | |
| 6732-21-1960 | PLUG ASS'Y | 30379917- | ||
| 16 | 6215-81-9510 | PLUG | 30379917- | |
| 17 | 6215-81-9710 | O-RING (K2) | 30379917- | |
| 18 | 6735-21-5530 | PLUG | 30379917- | |
| 19 | 6732-21-6130 | PLUG | 30379917- | |
| 20 | 6732-21-5530 | PLUG | 30379917- | |
| 21 | 6732-21-6160 | PLUG | 30379917- | |
| 22 | 6732-21-1930 | O-RING | 30379917- | |
| 23 | 6732-11-1920 | PLUG | 30379917- | |
| 6735-21-1940 | PLUG | 30379917- | ||
| 24 | 6735-21-1950 | PLUG | 30379917- | |
| 25 | 6216-84-9420 | O-RING (K2) | 30379917- | |
| 26 | 6732-21-3120 | BOLT | 30379917- | |
| SERVICE KIT | ||||
| 27 | 6736-29-2110 | LINER {SALVAGE} | 30379917- |