This product is a genuine Porsche engine coolant hose with the part number 99610621212. It is designed to be used in Porsche vehicles and is specifically for the engine coolant system. This hose is an essential component for maintaining proper engine temperature and preventing overheating. It is made from high-quality materials to ensure durability and reliability. This coolant hose is an OEM (Original Equipment Manufacturer) part, meaning it is made by the same manufacturer as the original part in the vehicle. It is important to use genuine parts in your Porsche to ensure optimal performance and compatibility.