The Kohler KD440 engine line groups 5 variant designations. Parts and fitment are pooled here so a cross-reference found on one variant surfaces for the whole family.
| Part # | Description | Category |
|---|---|---|
| 12-036 | Air filter | Air filter |
| 12-039 | Belt | Belt |
| 12-038 | Coolant filter | Coolant filter |
| 12-037 | Fuel filter | Fuel filter |
| 12-044 | Gasket | Gasket |
| 12-041 | Glow plug | Glow plug |
| 12-049 | Hose | Hose |
| 12-046 | Impeller | Impeller |
| 12-047 | Injectors | Injector |
| 12-035 | Oil filter | Oil filter |
| AW-5090-0007 | Lifting Hook Kit | Service part / kit |
| AW-5740-0019 | Wheel and Handle Kit | Service part / kit |
| AW-5740-0020 | Wheel and Handle Kit | Service part / kit |
| 12-042 | Pump | Pump |
| 12-043 | Seal | Seal |
| 12-048 | Sensor | Sensor |
| 12-040 | Spark plug | Spark plug |
| 12-045 | Thermostat | Thermostat |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.
Leads compiled from supplier catalogs across the family’s variants; verify the exact part for your variant and serial number.