Equip your semi truck to be Ready for the Road Ahead™, with the Weatherhead 2.59" Female JIC 37° Flare Swivel Steel Hydraulic Coupling, a key piece to offer a smooth transfer of power between hydraulic components. 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®.