Genuine OEM Audi Intercooler Air Duct, part number 4F0145333H. This duct is designed to efficiently direct cooled air from the intercooler to the engine, optimizing combustion and power output. It is positioned on the left side of the vehicle. Constructed from durable, heat-resistant plastic, it ensures a precise fit and reliable air flow. Choosing genuine OEM ensures exact routing geometry and material integrity for critical engine air paths.