Genuine OEM Audi Intake Manifold Runner, part number 03L129711P. This component is an integral part of the engine's intake system, responsible for directing the air-fuel mixture or air into the individual engine cylinders. It often incorporates runner flaps to optimize airflow at various engine speeds. Weighing approximately 1.605 kg, this part is engineered for precise fitment and airflow characteristics. Choosing a genuine OEM intake manifold runner ensures correct air distribution, proper sealing, and compatibility with engine management systems, which is vital for maintaining optimal engine efficiency and power output.