Genuine OEM Audi Front Inner Door Seal, part number 4E0831721F. This essential weatherstrip is designed to create a watertight and airtight barrier around the front inner door frame, effectively preventing water, wind, and noise from entering the vehicle's cabin. It plays a crucial role in maintaining interior comfort and protecting electronic components. Made from durable, flexible rubber, this seal weighs approximately 1.825 kg. Choosing a genuine OEM door seal ensures precise contouring, optimal sealing properties, and long-lasting resistance to environmental factors, maintaining the vehicle's original integrity.