The R.WISSERAS DOORVOERRUBBER BIN is a crucial component for Citroën 11CV and 15CV models. This rubber grommet provides a watertight and reliable seal for the wiper shaft, preventing moisture and debris from entering the vehicle's upholstery or engine compartment. It is designed for a perfect fit and durable performance, ensuring the windshield wipers operate smoothly and efficiently. This not only improves visibility while driving but also extends the lifespan of the wiper shaft and adjacent vehicle components, making it ideal for classic car maintenance and restoration.