120042 Crankcase Breather Filters Dual Inlet

This dual-inlet crankcase breather filter from Zodiac is engineered for engines featuring through-the-head breathing systems. By providing two separate entry points, it allows both head breathers to be routed into a single, compact filtration unit. This setup is ideal when installing aftermarket air cleaners, as it eliminates the need to vent oily crankcase air back into the intake and over the air filter element. The filter effectively traps oil carry-over while allowing the engine to breathe freely. Zodiac’s design ensures a cleaner intake tract and improved performance by preventing carbon buildup, making it a practical addition to any modern custom Harley-Davidson project.