The Gates Hydraulic Coupling is the perfect solution for leak-free connections for hydraulic hoses and tubes. It is made from high quality zinc plated carbon steel, providing good strength, durability and vibration resistance. This coupling is resistant to corrosion and is compatible with a variety of hydraulic hoses. It is easy to assemble and fabricate for transmission oil cooler and hot oil lines. FleetPride is your First Click in Heavy Duty®.