The oil filler cap for the Citroen 11CV 11D is a crucial car part that ensures a secure seal of the engine's oil reservoir. Made from durable material, this cap prevents oil leaks and protects the engine from dust and debris. Replacing a faulty or worn oil filler cap is vital to prevent engine problems and ensure smooth vehicle operation. Specifically designed for the Citroen 11CV 11D, this cap ensures a perfect fit and long-lasting performance. This part is easy to install, allowing for effortless self-replacement.