The windshield wiper shaft nut is a crucial component for Citroën 11CV and 15CV vehicles. Made from high-quality stainless steel, this nut provides durable fastening and reliable performance. Designed to securely attach the wiper arm to the drive shaft, it ensures optimal wiper operation in all weather conditions. The stainless steel construction prevents rust and corrosion, extending the lifespan of the vehicle part. This nut is easy to install and compatible with original factory parts. Ideal for car enthusiasts aiming to maintain their classic Citroën in top condition, it offers both safety and durability.