Prepare your semi to be Ready for the Road Ahead™, with the Gates 3.19" MegaCrimp® Female 90° JIC 37° Flare Swivel Steel Hydraulic Coupling that offers a smooth transfer of power between hydraulic components. By utilizing a streamlined design, this replacement coupling provides a quick and easy connection between hydraulic fuel lines such as hoses and pumps. Built with a solid metal body to tolerate demanding conditions and extreme pressures. FleetPride is your First Click in Heavy Duty®.