The Fleetguard FS19594 is a genuine fuel water separator filter engineered to deliver superior protection for Cummins QSK50, QSK60, and QSK78 engines. This high-efficiency filter effectively removes water and contaminants from fuel, preventing engine damage and maintaining optimal performance. It features a robust design with an M85 X 2.0-6H thread and an integrated standpipe, offering reliable filtration with 98.7% efficiency at 10 micron and 95% water separation efficiency (SAE J1839). The filter measures 108.5 mm in outer diameter and 180.3 mm in overall height, supporting a flow rate of 15.14 liters per minute.