Genuine OEM Audi O-Ring, part number 01V409133. This sealing ring is designed to create a tight, leak-proof seal between components, preventing the escape of fluids or gases. It is a vital part in many assemblies where a reliable seal is required. This black rubber O-ring weighs approximately 0.005 kg and has a diameter of about 0.075 meters. Using genuine OEM O-rings ensures the correct material composition and dimensional accuracy for a long-lasting, effective seal.