Genuine OEM Audi Air Distribution Housing Support, part number 8J1858431A. This intermediate piece forms a structural part of the air distribution housing, providing crucial support and stability. It is precisely engineered to ensure correct alignment and secure mounting within the HVAC system. Weighing 0.133 kg and measuring 0.455m in length, it is designed for a perfect fit. Choosing a genuine OEM part ensures the exact dimensions and material quality for reliable performance and long-term durability of the air distribution system.