Thermostat Assembly Cover
This part is listed as the cover component in Honda’s thermostat assembly. It is separate from the thermostat, thermostat rubber and flange bolts shown as neighboring parts in the same catalog section.
Honda · Genuine OEM Part
The Honda COVER COMP., THERMOSTAT is the cover component identified in the thermostat assembly. The Honda catalog also identifies the corresponding service operation as CASE, THERMOSTAT, confirming that this part is the case or cover portion of the assembly rather than the thermostat itself.
The exact Honda part number should be used when ordering because Honda catalogs distinguish the cover from the thermostat, sealing rubber and mounting bolts.
This part is listed as the cover component in Honda’s thermostat assembly. It is separate from the thermostat, thermostat rubber and flange bolts shown as neighboring parts in the same catalog section.
Honda’s parts catalog names the part COVER COMP., THERMOSTAT, while the related service-operation listing identifies the component as CASE, THERMOSTAT.
A separate service-operation entry calls the same position CASE, THERMOSTAT. Together, those descriptions establish the part as the thermostat housing or cover component, not the thermostat element or its rubber sealing part.
| Honda Part Number | 19320-MGZ-J80 |
|---|---|
| Honda Catalog Description | COVER, THERMOSTAT |
| OEM Catalog Description | COVER COMP., THERMOSTAT |
| Part Type | Cover |
| Assembly | Thermostat |
| Model | Type | Model Years |
|---|---|---|
| CB500X | Motorcycle | 2013–2020 |
| CB500XA | Motorcycle | 2013–2023 |
Model applications as listed in Honda's dealer parts catalog for part number 19320-MGZ-J80.
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.