Wesfil Air Filter WA109 Ultra-4WD The thermo fan switch must

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

The stop light switch is used to interrupt the cruise control circuit and disengage the cruise control when the brake pedal is applied

while the multi-layered metal shim includes an additional adhesive lever to minimise vibration and prevent brake noise

where required

The thermostat gasket must be compatible with the vehicle cooling system

Wesfil Air Filter WA109 Ultra-4WD 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.