Get your semi Ready for the Road Ahead with optimal hydraulic fluid performance, with the Baldwin Spin-On Hydraulic Filter. Due to its ultra-fine filter, this replacement component is able to capture hydraulic contaminants before they cause corrosion or potential pressure leaks. Constructed with a durable 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 .