Update your semi with a smooth transfer of power between hydraulic components, with the Gates 3.04" MegaCrimp® Female JIC 37° Flare Swivel Steel Hydraulic Coupling that ensures you're Ready for the Road Ahead™. This replacement coupling offers a quick and easy connection of hydraulic fuel lines from components such as pumps and hoses. Engineered with a durable metal body to endure demanding conditions and extreme pressures. FleetPride is your First Click in Heavy Duty®.