| Item | Part No. | Part Name | Qty | Serial No. |
| 6731-21-1170 | CYLINDER BLOCK ASS'Y | 26274903- | ||
| \6\ | BLOCK ASS'Y | 26274903- | ||
| 1 | \6\ | BLOCK,CYLINDER | 26312676- | |
| 1 | \6\ | BLOCK,CYLINDER | 26274903-26312675 | |
| 2 | 6732-21-1831 | PLUG | 26483819- | |
| 2 | \5\6732-21-1830 | PLUG | 26274903-26483818 | |
| 3 | 6732-21-1910 | RING | 26274903-26468569 | |
| 4 | \5\6754-21-1221 | CAP ASS'Y | 26494791- | |
| 4 | \5\6754-21-1220 | CAP ASS'Y | 26468570-26494790 | |
| 4 | \5\6732-21-1210 | CAP | 26274903-26468569 | |
| 5 | 6732-21-1412 | BUSHING | 26450812- | |
| 5 | \1\6732-21-1411 | BUSHING | 26274903-26450811 | |
| 6 | 6732-21-1611 | BOLT | 26274903- | |
| 7 | 6732-21-1820 | PLUG | 26274903- | |
| 8 | 6732-21-1812 | PLUG,EXPANSION | 26312676- | |
| 8 | \0\6732-21-1811 | PLUG,EXPANSION | 26274903-26312675 | |
| 6731-21-1210 | BLOCK SERVICE KIT | 26274903- | ||
| 9 | 6732-21-6140 | RING | 26274903- | |
| 10 | 6732-21-1191 | NOZZLE,PISTON COOLING | 26312676- | |
| 10 | \0\6731-21-1190 | NOZZLE,PISTON COOLING | 26274903-26312675 | |
| 11 | 6732-21-1911 | RING | 26494791- | |
| 11 | \1\6732-21-1910 | RING | 26274903-26494790 | |
| 12 | 6732-21-6120 | PIN | 26274903- | |
| 13 | 6732-11-1910 | PLUG | 26274903- | |
| 6735-21-1910 | PLUG ASS'Y | 26274903- | ||
| 14 | 6735-21-1920 | PLUG | 26274903- | |
| 15 | 6735-21-1930 | O-RING (K2) | 26274903- | |
| 6732-21-1960 | PLUG ASS'Y | 26274903- | ||
| 16 | 6215-81-9510 | PLUG | 26274903- | |
| 17 | 6215-81-9710 | O-RING (K2) | 26274903- | |
| 18 | 6735-21-5530 | PLUG | 26274903- | |
| 19 | 6732-21-6130 | PLUG | 26274903- | |
| 20 | 6732-21-5530 | PLUG | 26274903- | |
| 21 | 6732-21-6160 | PLUG | 26274903- | |
| 22 | 6732-21-1930 | O-RING | 26274903- | |
| 23 | 6732-11-1920 | PLUG | 26274903- | |
| 6735-21-1940 | PLUG | 26274903- | ||
| 24 | 6735-21-1950 | PLUG | 26274903- | |
| 25 | 6735-21-1960 | O-RING (K2) | 26274903- | |
| 26 | 01435-60816 | BOLT | 26483819- | |
| 26 | \0\6732-21-3120 | BOLT | 26274903-26483818 | |
| REFER TO FIG. NOS. OF REPAIR PARTS FOR O.S., U.S., AND SERVICE PARTS. |