The Caterpillar CM43 engine line groups 19 variant designations. Parts and fitment are pooled here so a cross-reference found on one variant surfaces for the whole family.
| Part # | Description | Category |
|---|---|---|
| 16CM43-0001 | Cylinder Head Assembly | Service part / kit |
| 16CM43-0002 | Piston Assembly | Service part / kit |
| 16CM43-0003 | Connecting Rod Assembly | Service part / kit |
| 16CM43-0004 | Crankshaft Assembly | Service part / kit |
| 16CM43-0005 | Valve Train Assembly | Service part / kit |
| HT5/HT6 | Settling tank | Service part / kit |
| LEXE0583-00 | January 2013 | Service part / kit |
| HP1/HP2 | Fuel pressure pump | Pump |
| HP3/HP4 | Fuel oil circulating pump | Pump |
| HP5/HP6 | Heavy fuel transfer pump (separator) | Pump |
| HS1/HS2 | Heavy fuel separator | Separator |
| 16CM43-0006 | Turbocharger Assembly | Turbocharger |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.