Wesfil Air Filter WA809 Ultra-Performance The thermo fan switch must

The thermo fan switch must be compatible with the vehicle engine management system

the Protex Blue range delivers smooth braking performance in every regular driving situation

Oil filters prolong engine life by trapping dirt and other particles throughout your vehicle's service interval

created by heating the pads to a high temperature at the factory to remove remaining gases and resins

Having been in the market for more than a decade

Wesfil Air Filter WA809 Ultra-Performance The thermo fan switch mustThe 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.