The lower ball joint nut for the Citroen 11CV is a crucial component of the suspension system in this classic car. Despite its small size, this essential part ensures the ball joint remains securely fastened and capable of smooth movement, allowing the car's wheels to steer correctly. Crafted from durable material, it is resistant to wear and the forces generated during driving. Ensuring this nut is properly affixed is vital for the safety and performance of the Citroen 11CV, making regular inspection and replacement, if necessary, important for optimal driving experience.