| Item | Part No. | Part Name | Qty | Serial No. |
| 6731-21-1010 | CYLINDER BLOCK A.,SERVICE | | 21273646- |
| 1 | 6731-21-1100 | CYLINDER BLOCK A.,CYLINDER | | 21273646- |
| 2 | 6732-21-1410 | BUSHING,CAMSHAFT | | 21273646- |
| 3 | 6732-21-1610 | BOLT | | 21273646- |
| 4 | \5\6732-21-1210 | CAP,MAIN | | 21273646- |
| 5 | 6736-21-1830 | PLUG,EXPANSION | | 21273646- |
| 6 | 6736-21-1820 | PLUG,EXPANSION | | 21273646- |
| 7 | 6732-21-1810 | PLUG,EXPANSION | | 21273646- |
| 8 | 6732-21-1910 | RING,DOWEL | | 21273646- |
| 6732-21-8110 | BLOCK SERVICE KIT,CYLINDER | | 21273646- |
| 9 | 6732-21-6140 | RING,DOWEL | | 21273646- |
| 10 | 6732-21-1191 | NOZZLE,PISTON COOLING | | 21273646- |
| 11 | 6732-21-1910 | RING,DOWEL | | 21273646- |
| 12 | 6732-21-6120 | PIN,DOWEL | | 21273646- |
| 13 | 6732-11-1910 | PLUG | | 21273646- |
| 14 | 6732-11-1930 | PLUG | | 21273646- |
| 15 | 6735-21-5530 | PLUG,(FOR SHIPPING) | | 21273646- |
| 16 | 6732-21-6130 | PLUG,EXPANSION | | 21273646- |
| 17 | 6732-21-5530 | PLUG,EXPANSION | | 21273646- |
| 18 | 6732-21-6160 | PLUG,EXPANSION | | 21273646- |
| 19 | 6732-21-1930 | O-RING | | 21273646- |
| | SERVICE PARTS | | |
| 2 | 6736-29-1410 | BUSHING,CAMSHAFT¤ NO.1 BORE | | 21273646- |
| 6736-29-1420 | BUSHING,CAMSHAFT¤ NO.2¤3¤4¤5 BORE | | 21273646- |
| 4 | \5\6732-21-1210 | CAP,MAIN | | 21273646- |
| 20 | 6736-29-2110 | LINER,SALVAGE (STD) | | 21273646- |
