Genuine OEM Audi Outer Door Seal, part number 4H0837717B. This crucial rubber seal is installed along the outer edge of the front left door, creating a protective barrier between the door and the vehicle body. Its primary function is to prevent the ingress of water, wind, and road noise into the passenger compartment, contributing to cabin comfort and protection. Weighing 0.427 kg, this seal is designed for durability and precise fitment. Choosing a genuine OEM outer door seal ensures the correct material composition, flexibility, and exact profile for a perfect seal, which is vital for maintaining interior integrity and reducing cabin noise.