Outfit your semi to be Ready for the Road Ahead™ with a smooth transfer of power between hydraulic components, with the Weatherhead 3.13" Male Pipe Swivel Hydraulic Coupling. By utilizing a streamlined design, this replacement coupling provides 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®.