Genuine OEM Audi Rear Left Outer Door Seal, part number 8W9839911E. This essential seal is fitted around the perimeter of the rear left door, forming a barrier against environmental elements. Its primary function is to prevent water, wind, and road noise from entering the vehicle's interior, contributing to cabin comfort and protection. Weighing 0.45 kg, this seal is manufactured from high-quality, durable rubber compounds. Choosing a genuine OEM door seal ensures precise fitment to the door frame, optimal sealing properties, and resistance to wear and tear, maintaining the vehicle's original sound insulation and weatherproofing.