Wesfil Air Filter WA105 Gold Like all Protex rotors

Like all Protex rotors

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

The high-end ceramic formulation helps reduce dust and contains no copper

The Protex unique vane designs allow for better cooling to give you top performance at high braking temperatures

By-pass valve ensures protection of the engine against oil starvation

Wesfil Air Filter WA105 Gold Like all Protex rotorsThe 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.