FLEETGUARD FS19624. FUEL FILTER / WATER SEPARATOR. FITS CUMMINS. Fuel Filter / Water Separator. DIESEL FUEL FILTRATION. CUMMINS APPLICATIONS. Reliable Fuel Filtration for Diesel Engine Protection. Heavy-Duty Fuel System Support. Fleetguard FS19624 is a fuel filter / water separator designed to support clean diesel fuel flow and help separate water from the fuel system. Ideal for compatible Cummins diesel applications and heavy-duty equipment maintenance. Cummins Diesel Engine / Heavy Duty Equipment. Why Customers Choose This Filter. Fuel & Water Separation. Designed to help filter diesel fuel and separate water from the fuel system. Fleetguard is a trusted name in heavy-duty filtration and diesel engine maintenance. Suitable for compatible Cummins diesel engine and heavy-duty equipment applications. Matches Fleetguard part number FS19624 for easier replacement matching. Please verify your existing part number, engine application, and equipment compatibility before ordering.