The filler shim for the brake shoe guide of the Citroen 11CV/15CV is a crucial automotive part that aids in aligning and stabilizing the brake shoes within the braking system. This specific component ensures that the brake shoes are correctly positioned, which is vital for efficient and safe braking operation. Wear and other factors can create gaps, and this filler shim fills that space, maintaining the integrity and reliability of the braking system. It is a precision component designed to perfectly fit the specifications of the classic Citroen models, 11CV and 15CV.