About this part
What it does. Aisin Engine Coolant Thermostat & Housing Assembly Aisin 170-THT-024 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 2023 Toyota Camry, 2019–2022 Lexus Rx350l, 2022 Toyota Highlander, 2020–2021 Lexus Rx350, 2020 Lexus Es350, 2019 Toyota Sienna. Engine, sub-model and trim can narrow fitment further, so check those attributes on the listing before ordering.