Genuine OEM Audi Vacuum System Pulsation Damper, part number 059129955BP. This molded plastic component is designed to reduce unwanted pressure fluctuations and pulsations within the vehicle's vacuum system. By stabilizing vacuum pressure, it helps ensure consistent operation of vacuum-actuated components and systems. Weighing approximately 0.328 kg, this damper is engineered for precise integration. Using a genuine OEM pulsation damper guarantees the correct internal baffling and material properties to effectively smooth vacuum signals, which is critical for the accurate and reliable function of various engine and emissions control systems.