Wesfil Air Filter WA5471 Ultra-Rotor By-pass valve ensures protection of

By-pass valve ensures protection of the engine against oil starvation

The high-end ceramic formulation helps reduce dust and contains no copper

filtered oil circulates around the motor

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

Wesfil Air Filter WA5471 Ultra-Rotor By-pass valve ensures protection ofThe 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.