Update your semi with a smooth transfer of power between hydraulic components, with the Gates Male Swivel Brass Hydraulic Coupling that ensures you're Ready for the Road Ahead™. Due to its streamlined design, this replacement coupling is able to provide a quick and easy connection between hydraulic fuel lines such as hoses and pumps. Constructed with a rugged metal body to tolerate demanding conditions and extreme pressures. FleetPride is your First Click in Heavy Duty®.