Get your semi Ready for the Road Ahead™ with a smooth transfer of power between hydraulic components, with the Weatherhead 2.84" Female JIC 37° Flare Swivel Steel Hydraulic Coupling. This replacement coupling offers a quick and easy connection of hydraulic fuel lines from components such as pumps and hoses. Manufactured with a solid metal body to endure demanding conditions and extreme pressures. FleetPride is your First Click in Heavy Duty®.