PartsByVehicle.com
Csf Radiator CSF 475-3943

About this part

What it does. Csf Radiator CSF 475-3943 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 2025 Lexus Ux300h, 2020–2024 Lexus Ux250h, 2021–2022 Toyota Prius Prime, 2021–2022 Toyota Corolla, 2020 Toyota Prius. Engine, sub-model and trim can narrow fitment further, so check those attributes on the listing before ordering.