Wesfil Air Filter WA806 Ultra-Performance The thermo fan switch responds

The thermo fan switch responds to changes in engine coolant temperature

this upgraded rotor gives you additional features and benefits

The switch is designed to complete the circuit with the application of the brake pedal

Disc brake pad wear sensors are designed to "fail" as brake pads wear

Made from semi-metallic material

Wesfil Air Filter WA806 Ultra-Performance The thermo fan switch respondsThe extensive range of Wesfil air filters are a direct result of a wealth of technical and manufacturing expertise. Air filters play a huge role in maximizing engine efficiency and fuel economy. Continual research and development has led to a range of features designed to optimize vehicle performance.