Genuine OEM Volkswagen Breather Line, part number 057103227AJ. This breather line is part of the engine's crankcase ventilation system, designed to remove harmful blow-by gases and maintain optimal engine performance. It is located on the engine. The breather line has a length of 0.48 meters. Genuine OEM breather lines are manufactured to precise specifications to ensure proper flow and durability, preventing oil leaks and maintaining engine health.