About this part
What it does. Csf Radiator CSF 475-3954 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 2021–2025 Toyota Sienna, 2025 Lexus Rx450h, 2024–2025 Lexus Rx350h, 2023–2024 Lexus Rx500h, 2023–2024 Lexus Rx350. Engine, sub-model and trim can narrow fitment further, so check those attributes on the listing before ordering.