Genuine OEM Audi Pressure Accumulator O-Ring, part number WHT006777. This O-ring is specifically designed to create a tight, leak-proof seal for the pressure accumulator, ensuring proper system function and preventing fluid loss. Made from durable, high-quality rubber, it is engineered to withstand operating pressures and temperatures. Weighing just 0.0002 kg and measuring 0.016m x 0.016m x 0.002m, its precise dimensions are crucial for an effective seal. Using a genuine OEM O-ring guarantees the correct material composition and dimensional accuracy, which is vital for preventing leaks and ensuring long-term reliability of the sealed component.