A Crankcase Breather, also known as an engine breather or PCV (Positive Crankcase Ventilation) valve, is found in internal combustion engines. Its primary function is to regulate the pressure and remove harmful gases from the crankcase, which is the housing for the engine's moving parts.Attributes:• Prevents the buildup of pressure and the formation of harmful contaminants• Manufactured to precise specifications and is durable and reliableApplications:A Crankcase Breather allows the engine to breathe by drawing in fresh air and expelling gases and vapors that accumulate in the crankcase during the combustion process.