SMP Europe

Radiator Fan Switches

Lucas switches and sensors are developed using over 50 years’ experience in development and manufacturing of vehicle electronics and engine management components.

  • Developed using the latest sensory technology
  • Manufactured using high standard materials to ensure long life
  • Tested to meet or exceed OE Standards

Product Overview:

Lucas Radiator Fan Switches accurately monitor engine temperature to determine whether the radiator fan (s) are on or off.

Causes of Failure:

Failed Internal Components


Engine Overheating, Fan Constantly On

Also Known as:

RFS, Rad Fan Switch

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