A fuel line is a hose used to bring fuel from one point in a vehicle to another or from a storage tank to a vehicle. It is commonly made of reinforced rubber to prevent splitting and kinking.
A heater hose is a rubber hose used in automobiles, and it transports hot coolant to the heater core. The heater hose connects to the water pump and the heater core.
A transmission works harder when you tow, it can get hotter, and heat is one of the major enemies of your transmission. A transmission cooler hose can keep your transmission from getting too hot, helping you get the best performance and long life out of it. The hose carries a 150 PSI working pressure and 250 degree Fahrenheit continuous operating temperature.