This product is a genuine Porsche radiator coolant hose with the part number 99710663601. It is designed for use in Porsche vehicles and is used to transfer coolant from the radiator to the engine. This hose is made of high-quality materials and is an exact replacement for the original hose in your vehicle. It is durable and reliable, ensuring proper coolant flow and preventing any leaks. This product is an essential component of your vehicle's cooling system and is crucial for maintaining engine temperature and performance.