Genuine OEM Audi Engine Vacuum Line, part number 057131493P. This essential component is part of the vehicle's vacuum system, responsible for carrying vacuum pressure to various engine components, often related to emissions control or brake booster operation. It is a precisely engineered hose designed for specific routing and connection points within the engine bay. Weighing 0.043 kg and measuring approximately 0.355 meters in length, this line is made from materials resistant to engine heat and fluids. Choosing a genuine OEM vacuum line ensures correct pressure delivery, prevents leaks, and maintains optimal engine performance and emissions compliance.