Cylinder Head Assembly
The Honda parts catalogue places this cover in the Cylinder Head section. That assembly listing also includes the thermostat and thermostat rubber, providing the verified component context for the part.
Honda · Genuine OEM Part
Honda identifies 19321-MKS-E00 as COVER, THERMOSTAT. The part is listed in the Cylinder Head assembly alongside the thermostat and thermostat rubber, identifying it as the cover associated with the engine cooling system's thermostat installation.
As a thermostat cover, it forms the enclosing component for that thermostat location within the cylinder head assembly. The Honda parts catalogue lists one cover for the assembly. No material, finish, dimensions, or directional position are published in the sources reviewed.
The Honda parts catalogue places this cover in the Cylinder Head section. That assembly listing also includes the thermostat and thermostat rubber, providing the verified component context for the part.
The exact Honda catalog name is COVER, THERMOSTAT, and the listed part number is 19321-MKS-E00. Those identifiers should be retained when ordering or cross-referencing the component.
| Honda Part Number | 19321-MKS-E00 |
|---|---|
| Honda Catalog Description | COVER, THERMOSTAT |
| Part Type | Cover |
| Assembly | Cylinder Head |
| Listed quantity | 1 |
| Model | Type | Model Years |
|---|---|---|
| CRF1100A | Motorcycle | 2020–2022 |
| CRF1100A4 | Motorcycle | 2020–2022 |
| CRF1100D | Motorcycle | 2020–2022 |
| CRF1100D4 | Motorcycle | 2020–2022 |
Model applications as listed in Honda's dealer parts catalog for part number 19321-MKS-E00.
Verify the Honda OEM part number for your specific model before ordering.
Compatible motorcycles, ATVs & side-by-sides
Verify your vehicle's model, year and specific configuration before ordering.