The Fleetguard FS19953 is a high-performance fuel/water separator filter designed to protect engine fuel systems by efficiently removing contaminants and water. This genuine 10-micron filter features an M16x1.5-6H internal thread, an outer diameter of 108 mm, and an overall height of 180 mm. It includes a water-in-fuel sensor port and achieves 98.7% filtration efficiency at 10 microns. The FS19953 is compatible with a wide range of agricultural, construction, and industrial machinery equipped with Cummins engines, including models from Case IH, New Holland, John Deere, Komatsu, Volvo, Hyundai, and Doosan. It is a direct replacement for Cummins OEM part numbers 3978040 and 4934879.