Wesfil Air Filter WA911 Ultra-Select which prevents corrosion for a

which prevents corrosion for a longer life

Most importantly it�s what�s inside and how it�s made that really counts

either paper or rubber 'O' rings (sealing rings)

The water temperature sender is designed to measure the integrity of the engine cooling system

The Ultra Disc Rotor is part of the Protex Ultra range

Wesfil Air Filter WA911 Ultra-Select which prevents corrosion for 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.