Carter Filter 11mm

Crankcase breathers are used to vent contaminated oil and water mixture from your engine block into the atmosphere. Without a crankcase breather, this mixture is returned back into the engine directly or through the air filter and can affect the air/fuel ratio causing a loss of power. Pipercross use a foam mesh filter which is resistant to chemical erosion and can be cleaned for long life and efficiency. All are suitable for use with 13mm, 16mm or 19mm sized breather piping.