Product Details: Prepare your semi to be Ready for the Road Ahead™, with the Gates 3.01" MegaCrimp® Female JIC 37° Flare Swivel Steel Hydraulic Coupling that offers a smooth transfer of power between hydraulic components. Due to its streamlined design, this replacement coupling is able to provide 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®.