The "NUT WATER PUMP PULLEY Citroen 15CV" is a crucial fastening component used to secure the water pump pulley in place in Citroen 15CV vehicles. This component ensures precise fastening and safe operation of the cooling system, vital for engine performance. It maintains the correct tension of the belt driven by the water pump, prevents pulley wobble, and protects against potential damage. Made from high-quality, durable materials, they guarantee long-lasting performance and reliability under demanding driving conditions. Regular inspection and replacement when necessary are recommended.