An inner fender for a Citroen Dyane is a vehicle component designed to protect the interior of the wheel arch from dirt, mud, and moisture. It helps in reducing corrosion damage to the car's underside by minimizing road debris splatter. This part is typically made from sturdy yet flexible materials like reinforced plastic or rubber, which are durable and resistant to environmental factors. The inner fender plays a crucial role in maintaining the structural integrity and aesthetics of the Citroen Dyane.