Outfit your semi to be Ready for the Road Ahead™ with a smooth transfer of power between hydraulic components, with the Gates Female 1"-11.5 Brass / Cast Iron Hydraulic Coupling. With a streamlined design, this replacement coupling provides a quick and easy connection of hydraulic fuel lines from components such hoses and pumps. Manufactured with a solid metal body to endure demanding conditions and extreme pressures. FleetPride is your First Click in Heavy Duty®.