The sill under the door for the left side of a Citroën 11CV or 15CV is a crucial component for the vehicle's structure and strength. This part provides stability and helps protect the bodywork from damage caused by external forces while driving. Made from durable material, the sill prevents deformities and ensures a snug fit between the door and bodywork, contributing to the overall safety and longevity of the car. It is specifically designed to fit perfectly into the original mounting place, functioning as intended by Citroën.

