Update your semi with optimal hydraulic fluid performance, with the Donaldson Hydraulic Filter Cartridge that ensures you're Ready for the Road Ahead™. Due to its ultra-fine filter, this replacement component is able to capture hydraulic contaminants before they cause corrosion or potential pressure leaks. Engineered with a sturdy body to extend the service life and reduce the frequency of filter changes in semis or tractors. FleetPride is your First Click in Heavy Duty®.