Genuine OEM Audi Breather Valve, part number 06B103235G. This valve is crucial for regulating pressure within the engine's crankcase, preventing oil leaks and maintaining optimal engine operation. It is typically located in the engine's ventilation system. Made from durable plastic, this lightweight component ensures long-term reliability. Using a genuine OEM breather valve guarantees correct pressure calibration and material compatibility, essential for engine longevity and emissions control.