Genuine Toyota Radiator Fans

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What is a Toyota Radiator Fan?

A Toyota radiator fan is an electric or viscous-clutch-driven assembly that pulls (or pushes) ambient air through the radiator core when vehicle speed alone is insufficient to maintain optimal engine temperature. Controlled by the engine ECU via coolant-temperature and A/C-pressure sensors, the genuine Toyota fan is engineered for the exact blade pitch, motor torque and shroud geometry required by each model—ensuring rapid heat dissipation, minimal noise and maximum electrical efficiency.

How to Know Your Radiator Fan is Bad

Watch for these tell-tale symptoms:

  • Engine overheating at idle or in traffic, but cools down at highway speed.
  • No fan noise or airflow when the A/C is switched on (fan should engage almost immediately).
  • Burnt or melted fuse/relay in the engine-bay fuse box.
  • Visible blade damage or excessive wobble caused by worn bearings or impact.
  • Battery drain or alternator whine from a stalled motor drawing excessive current.

Without adequate airflow, coolant temperature can spike within minutes—especially in stop-start traffic or hot climates. Continuing to drive risks:

  • Warped cylinder head or blown head gasket.
  • Transmission overheating on vehicles with integrated ATF coolers in the radiator.
  • Cascade component failure including the radiator, hoses and water pump seals.

If the fan stops working, pull over safely, switch the engine off and arrange a tow to prevent catastrophic engine damage.

Explore Our Genuine Toyota Radiator Fans Range

When you need to get your Toyota radiator fan replaced, it is highly recommended to choose genuine Toyota radiator fan. Genuine parts ensure exact fitment and optimal performance. Nunawading Toyota Parts stocks authentic Toyota radiator fans for every major model.

If you are not sure about fitment, send us your VIN or rego—our parts specialists can help you get the right part for your vehicle.