Wesfil Air Filter WA1169 Ultra-Ceramic-Plus The thermo fan switch responds

The thermo fan switch responds to changes in engine coolant temperature

They are electronic devices used to indicate how much material is left before disc pad replacement is required

Features and Benefits

drilled and flat surface finish to provide you with greater choice to suit your driving needs

Wesfil Air Filter WA1169 Ultra-Ceramic-Plus 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.