Genuine OEM Audi Engine Oil Pump Non-Return Valve, part number 06E103175A. This critical valve is designed to prevent the backflow of oil within the engine's lubrication system, ensuring that oil pressure is maintained correctly, especially during engine startup. It is an integral component of the engine oil pump assembly. Constructed from durable metal and high-grade plastic components, it is built for precision and longevity. Choosing a genuine OEM non-return valve guarantees exact calibration and reliable performance, crucial for protecting engine components from premature wear.