The by-pass hose for the water pump of the Citroen 15CV is a crucial component ensuring optimal engine cooling. This hose connects the water pump to other parts of the cooling system, allowing coolant to circulate efficiently. Made from high-quality materials, it ensures durability and reliable performance under high temperatures and pressures. Its precise fit allows for easy and trouble-free installation. Regular maintenance and timely replacement of this hose can help prevent engine overheating and extend the overall lifespan of the vehicle.