Ensure your semi is Ready for the Road Ahead™ with a smooth transfer of power between hydraulic components, with the Gates 3.42" MegaCrimp® Male Pipe Swivel Steel Hydraulic Coupling. 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®.