Wesfil Air Filter WA911 Ultra-Select Strong internal components such as

Strong internal components such as springs and element assemblies

Engineered with precision and durability in mind

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

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

Wesfil Air Filter WA911 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.