| Item | Part No. | Part Name | Qty | Serial No. |
| 6731-21-1170 | CYLINDER BLOCK ASS'Y | 21295204- | ||
| 1 | \6\ | BLOCK ASS'Y | 21295204- | |
| 2 | 6732-21-1411 | BUSHING | 21295204- | |
| 3 | 6732-21-1611 | BOLT | 21295204- | |
| 4 | \5\6732-21-1210 | CAP,MAIN | 21295204- | |
| 5 | 6742-01-1390 | PLUG,EXPANSION | 21295204- | |
| 6 | 6732-21-1820 | PLUG,EXPANSION | 21295204- | |
| 7 | 6732-21-1810 | PLUG,EXPANSION | 21295204- | |
| 8 | 6732-21-1910 | RING,DOWEL | 21295204- | |
| 6731-21-1210 | BLOCK SERVICE KIT | 21295204- | ||
| 9 | 6732-21-6140 | RING,DOWEL | 21295204- | |
| 10 | 6732-21-1191 | NOZZLE,PISTON COOLING | 21295204- | |
| 11 | 6732-21-6130 | PLUG,EXPANSION | 21295204- | |
| 12 | 6732-21-6120 | PIN,DOWEL | 21295204- | |
| 13 | 6732-11-1910 | PLUG | 21295204- | |
| 14 | 6732-21-1960 | PLUG ASS'Y | 21295204- | |
| 15 | 6735-21-5530 | PLUG,EXPANSION | 21295204- | |
| 16 | 6732-21-1910 | RING,DOWEL | 21295204- | |
| 17 | 6732-21-5530 | PLUG,EXPANSION | 21295204- | |
| 18 | 6732-21-6160 | PLUG,EXPANSION | 21295204- | |
| 19 | 6732-11-1920 | PLUG | 21295204- | |
| 20 | 6735-21-1910 | PLUG ASS'Y | 21295204- | |
| 21 | 6735-21-1940 | PLUG | 21295204- | |
| 22 | 6732-21-3120 | BOLT | 21295204- | |
| SERVICE PARTS | ||||
| 23 | 6736-29-2110 | LINER,SALVAGE | 21295204- | |
| 2 | 6736-29-1410 | BUSHING,NO.1 (OS) | 21295204- | |
| 6736-29-1420 | BUSHING,NO.2¤3¤4¤5 (OS) | 21295204- | ||
| 4 | \5\6732-21-1210 | CAP,MAIN | 21295204- |