Genuine OEM Volkswagen Pulsation Damper, part number 7E0133277. This damper is engineered to reduce pressure fluctuations within the vehicle's fuel system, ensuring a consistent and smooth flow of fuel. It typically sits in the fuel line assembly to absorb pressure spikes and dips. Made from durable black plastic, this compact cylindrical component weighs approximately 0.014 kg. Choosing a genuine OEM pulsation damper guarantees the correct internal calibration and material resistance to fuel, preventing system instability and potential damage to other fuel components.