Parts for your 2022 Toyota Prius-Radiator

2022 Toyota Prius Radiator — purpose, care and when to replace

The 2022 Toyota Prius definitely uses a radiator. Toyota’s 2022 Prius Owner’s Manual (Cooling system section), the Toyota New Car Features guide for the ZVW50-series, and the Toyota Repair Manual for the 2ZR‑FXE hybrid engine all describe a liquid-cooled engine with an electric water pump and a front‑mounted radiator, plus a separate cooling circuit for the inverter/converter that uses its own small radiator. So, yes — the radiator is absolutely relevant on this hybrid.

On this model, the radiator’s job is straightforward: move heat out of the 1.8‑litre Atkinson‑cycle petrol engine so it can run efficiently and reliably, even on hot Aussie or Kiwi summer days. It works with the thermostat, electric water pump, cooling fans and Toyota Super Long Life Coolant (pink) to hold the engine at the sweet-spot temperature. Many Prius vehicles also have a companion inverter radiator up front to keep the hybrid electronics happy.

As part of servicing, the big wins are coolant quality, leak checks and airflow. Toyota specifies Super Long Life Coolant pre‑mix