| Item | Part No. | Part Name | Qty | Serial No. |
| 6271-21-1000 | CYLINDER BLOCK ASS'Y | 500001- | ||
| 1 | \6\ | BLOCK,CYLINDER | 554513- | |
| 1 | \6\ | BLOCK,CYLINDER | 545476-554512 | |
| 1 | \6\ | BLOCK,CYLINDER | 500001-545475 | |
| 2 | \5\6204-29-1210 | CAP,MAIN METAL, NO.1,2,3,4 | 500001- | |
| 3 | \5\6204-29-1220 | CAP,MAIN METAL, NO.5 | 500001- | |
| 4 | 6204-21-1610 | BOLT,MAIN CAP | 500001- | |
| 5 | 6141-21-1530 | RING,DOWEL | 500001- | |
| 6 | 6206-21-1430 | BUSHING,CAMSHAFT | 500001- | |
| 7 | 6206-21-1420 | BUSHING,CAMSHAFT | 500001- | |
| 8 | 07046-42216 | PLUG | 500001- | |
| 9 | 07046-42516 | PLUG | 500001- | |
| 10 | 07046-43016 | PLUG | 500001- | |
| 11 | 07046-44016 | PLUG | 500001- | |
| 12 | 07042-70312 | PLUG | 500001- | |
| 13 | 6215-81-9710 | O-RING | 504673- | |
| 13 | 6215-81-9710 | O-RING | 500001-504672 | |
| 14 | 6215-81-9510 | PLUG | 504673- | |
| 14 | 6215-81-9510 | PLUG | 500001-504672 | |
| 15 | 6204-51-1711 | BUSHING,OIL PUMP | 500001- | |
| 16 | 6140-21-1130 | BUSHING,DOWEL | 500001- | |
| 17 | 04020-00820 | PIN,DOWEL | 500001- | |
| 18 | 04020-01228 | PIN,DOWEL | 500001- | |
| 19 | 04025-00408 | PIN,SPRING | 500001- | |
| 20 | 07046-41810 | PLUG | 500001- | |
| 21 | 07043-70108 | PLUG | 500001- | |
| 22 | 6136-52-1620 | PIN,DOWEL, OIL PUMP | 500001- | |
| 23 | 6204-51-1620 | SHAFT,OIL PUMP | 500001- | |
| 24 | 6207-21-1190 | PIN | 500001- |