About this part
What it does. Aisin Engine Coolant Thermostat Assembly Aisin 170-THT-026 is part of the cooling system that carries engine heat away and holds the engine at operating temperature.
Symptoms that point to this part
- Temperature gauge climbing
- Coolant puddles under the car
- Heater blowing cold
- Sweet coolant smell
Fitment. Catalogued as fitting 2019–2022 Toyota C Hr, 2020–2021 Lexus Nx300h. Engine, sub-model and trim can narrow fitment further, so check those attributes on the listing before ordering.