Update your semi with a smooth transfer of power between hydraulic components, with the Parker-Hannifin 1" Female Steel Hydraulic Coupling that ensures you're Ready for the Road Ahead. Thanks to its streamlined design, this replacement coupling provides a quick and easy connection between hydraulic fuel lines such as hoses and pumps. Crafted with a rugged metal body to withstand demanding conditions and extreme pressures. FleetPride is your First Click in Heavy Duty.