Ensure your semi is Ready for the Road Ahead with a smooth transfer of power between hydraulic components, with the Gates Female 1/2"-14 Swivel Quick Disconnect Hydraulic Coupling. Thanks to its streamlined design, this replacement coupling provides a quick and easy connection between hydraulic fuel lines such as hoses and pumps. Crafted with a rugged metal body to withstand demanding conditions and extreme pressures. FleetPride is your First Click in Heavy Duty .