The Case IH FS1013 fuel water separator filter is a high-quality aftermarket solution manufactured by Fleetguard, serving as a direct equivalent to the OEM Case IH part number 87406323. This filter is engineered to protect diesel engines by efficiently removing both solid contaminants and water from the fuel supply. With 98% efficiency at 4 microns and 95% free and emulsified water separation, it ensures clean fuel delivery, extending engine life and maintaining performance in various Case IH Maxxum, Puma, and Magnum series tractors, as well as other compatible equipment.