The Motorcraft KM4542 Lower Radiator Coolant Hose is designed for Ford vehicles such as the Excursion and F250 equipped with a 7.3-liter engine. It features a durable construction made of EPDM rubber that is petroleum resistant, ensuring longevity and reliability. The hose has a diameter of 1.75 inches on one end and 2 inches on the other, with a length of 28.125 inches, and it is a bolt-on style for easy installation. This genuine Motorcraft part, with OEM part numbers YC3Z8286CE and YC3Z-8286-CE, is manufactured in the United States and comes with a hose included, ready to replace the lower radiator coolant hose in your vehicle.