Genuine OEM Volkswagen Door Seal, part number 5NN839479. This seal is designed to be fitted around the door opening of the vehicle, creating a watertight and airtight barrier when the door is closed. Its primary function is to prevent the ingress of water, wind, dust, and noise from the exterior, contributing to a comfortable and quiet cabin environment. Made from durable, weather-resistant rubber, it maintains its sealing properties over time. Genuine OEM parts are crucial for seals as they ensure the exact contour and flexibility required for a perfect fit and effective sealing.