Genuine OEM Audi Air Filter Box Assembly, part number 8W0133837AB. This assembly houses and protects the engine's air filter, ensuring that only clean, filtered air enters the intake system for combustion. It is typically located in the engine bay. Weighing approximately 2.308 kg, it is constructed from durable plastics designed to withstand engine heat and vibrations. Genuine OEM air filter boxes provide a precise fit and seal, preventing unfiltered air from bypassing the filter and protecting the engine from contaminants.

Catalogue entry: AIR FILTER.