Genuine OEM Volkswagen Front Side Member Noise Insulation, part number 5NA864725. This specialized foam block is designed to reduce noise transmission into the cabin, contributing to a quieter and more comfortable interior environment. It is positioned in the front side member area. Made from durable foam, it measures approximately 0.105m long, 0.09m wide, and 0.07m high, weighing 0.018 kg. Using genuine OEM insulation ensures precise fitment and effective sound dampening properties, maintaining the vehicle's original acoustic comfort.