Genuine OEM Audi Left Intake Hose, part number 4E0129628L. This hose is positioned on the left side of the air intake system and is responsible for directing filtered air into the engine's intake manifold. It is a precisely molded component, weighing approximately 0.1235 kg and measuring 0.19 m in length. Using genuine OEM ensures the correct routing geometry and material integrity for optimal engine performance and longevity.