The Bulb 6V 15W is specifically designed for the brake light of classic Citroën 11CV and 15CV models. This bulb provides reliable illumination and is essential for the safety and visibility of the vehicle on the road. With a voltage of 6V and a power of 15W, this bulb perfectly fits into the lighting system of these vintage cars. Replacing brake lights is crucial for maintaining historic vehicles to preserve their authentic look and functionality. This bulb is an indispensable replacement that performs both efficiently and durably under various conditions.