| Item | Part No. | Part Name | Qty | Serial No. |
| 6204-21-1102 | CYLINDER BLOCK ASS'Y | 131803- | ||
| 1 | \6\ | BLOCK,CYLINDER | 131803- | |
| 2 | \5\6204-29-1210 | CAP,MAIN METAL¤ NO.1¤2¤3¤4 | 131803- | |
| 3 | \5\6204-29-1220 | CAP,MAIN METAL¤ NO.5 | 131803- | |
| 4 | 6204-21-1610 | BOLT,MAIN CAP | 131803- | |
| 5 | 6141-21-1530 | RING,DOWEL | 131803- | |
| 6 | 6204-21-1430 | BUSHING,CAMSHAFT | 154833- | |
| \0\6204-21-1410 | BUSHING,CAMSHAFT | 131803-154832 | ||
| 7 | 6206-21-1420 | BUSHING,CAMSHAFT | 131803- | |
| 8 | 07046-42216 | PLUG | 131803- | |
| 9 | 07046-42516 | PLUG | 131803- | |
| 10 | 07046-43016 | PLUG | 131803- | |
| 11 | 07042-10312 | PLUG | 131803- | |
| 12 | 07046-41810 | PLUG | 131803- | |
| 13 | 04025-00408 | PIN,SPRING | 131803- | |
| 14 | 6204-51-1711 | BUSHING,OIL PUMP | 131803- | |
| 15 | 6140-21-1130 | BUSHING,DOWEL | 131803- | |
| 16 | 04020-00820 | PIN,DOWEL | 131803- | |
| 17 | 04020-01228 | PIN,DOWEL | 131803- | |
| 18 | 6136-52-1620 | PIN,DOWEL¤ OIL PUMP | 131803- | |
| 19 | 07043-50108 | PLUG | 131803- | |
| 20 | 6204-51-1620 | SHAFT,OIL PUMP | 131803- | |
| 21 | 07046-44016 | PLUG | 131803- | |
| 22 | 07046-21210 | PLUG | 131803- | |
| 23 | 6207-21-2110 | LINER (MARK A),CYLINDER | 131803- | |
| 6207-21-2120 | LINER (MARK B),CYLINDER | 131803- |