Genuine OEM Audi Soundproofing Partition Transverse, part number 5WB863353. This part is a sound-deadening panel located transversely within the vehicle's structure, designed to absorb and block noise and vibrations from the engine bay and road. Its precise shape and material composition are crucial for effective acoustic insulation. Genuine OEM soundproofing partitions are engineered with specific densities and forms to meet factory noise reduction standards, ensuring a quieter cabin environment.