About this part
What it does. Aisin Engine Water Pump Assembly Aisin 170-WPT-203 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 2019–2024 Lexus Rc300, 2020–2023 Lexus Is300, 2019–2020 Lexus Nx300, 2019 Lexus Gs300. Engine, sub-model and trim can narrow fitment further, so check those attributes on the listing before ordering.