About this part
What it does. Aisin Engine Coolant Thermostat Assembly Aisin 170-THYK-803 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 2022–2023 Kia Seltos, 2022–2023 Kia Forte, 2019–2022 Kia Soul, 2021 Hyundai Veloster, 2021 Hyundai Kona, 2019–2020 Kia Optima, 2020 Hyundai Elantra, 2019–2020 Hyundai Elantra Gt, 2019 Kia Rio, 2019 Hyundai Accent. Engine, sub-model and trim can narrow fitment further, so check those attributes on the listing before ordering.