Ensure your semi truck is Ready for the Road Ahead with improved hydraulic performance, with the Zinga SF120 Series Spin-On Filter Head. By utilizing a filter-like design, this replacement device is able to protect a hydraulic circuit from contamination so that it can still generate and use large amounts of hydraulic psi. Fashioned with durable materials to tolerate working temperatures up to 250 °F. FleetPride is your First Click in Heavy Duty .