Ensure your semi is Ready for the Road Ahead™ with optimal hydraulic fluid performance, with the Donaldson Hydraulic Filter Cartridge. To prevent potential pressure leaks or corrosion from occurring, this replacement component captures hydraulic contaminants with an ultra-fine filter. Built 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®.