Genuine OEM Audi Breather Valve, part number 06B103235Q. This valve plays a critical role in the engine's crankcase ventilation system, regulating pressure and ensuring proper air circulation within the crankcase. It helps prevent oil leaks and maintains optimal engine performance by managing blow-by gases. Made from durable automotive-grade plastic, it measures approximately 95mm in length. A genuine OEM breather valve ensures correct pressure regulation and compatibility with other engine components, vital for emissions compliance and engine longevity.