Outfit your semi to be Ready for the Road Ahead with a smooth transfer of power between hydraulic components, with the Weatherhead 3.05" Female JIC 37° Flare Swivel Steel 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. Fashioned with a durable metal body to withstand demanding conditions and extreme pressures. FleetPride is your First Click in Heavy Duty .