Wesfil Air Filter WA5240 Blue providing circuit switching during a

providing circuit switching during a predetermined temperature range allowing fan operation

The multi-layer metal shim helps absorb noise for quieter braking

which prevents corrosion for a longer life and provides an easier fit to your vehicle

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

Wesfil Air Filter WA5240 Blue providing circuit switching during aThe 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.