Genuine OEM Volkswagen Soundproofing for Water Box, part number 3G0863993F. This component is specifically designed to absorb and dampen noise and vibrations originating from the water box assembly, contributing to a quieter and more comfortable interior environment. It is positioned within the water box area to effectively mitigate sound transmission. Manufactured from specialized sound-dampening materials. Genuine OEM parts ensure precise fitment and optimal acoustic performance, maintaining the vehicle's intended noise reduction levels.