Genuine OEM Audi Air Filter Box, part number 8K0133837Q. This component is crucial for the engine's air intake system, designed to house and protect the air filter from environmental elements. It ensures that only clean, filtered air reaches the engine, preventing damage and maintaining optimal combustion. Constructed from durable, high-quality plastic, this box is engineered for a precise fit and long-lasting performance. Choosing a genuine OEM air filter box guarantees exact dimensions and mounting points, ensuring a sealed and efficient air intake system as designed by the manufacturer.