Update your semi with advanced hydraulic filtration, with the Schroeder 3.9" x 9.1" Hydraulic Element Cartridge that ensures you're Ready for the Road Ahead™. Due to its simplistic design, this replacement cartridge is the ideal choice to catch dirt, debris, oil, and other particles before they cause damage to the hydraulic system. Constructed with a synthetic media type for enhanced durability and a longer service life. FleetPride is your First Click in Heavy Duty®.