Wesfil Air Filter WA310 Ultra-Select Strong internal components such as

Strong internal components such as springs and element assemblies

The thermo fan switch responds to changes in engine coolant temperature

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

Wesfil/Cooper nationwide warranty

The ceramic formulation is stable even at very high temperatures and creates less dust

Wesfil Air Filter WA310 Ultra-Select Strong internal components such asThe 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.