The Case-IH FS19589 is a genuine OEM fuel water separator designed to efficiently remove water and contaminants from fuel, protecting the engine's fuel injection system. This essential filter ensures clean fuel delivery, preventing costly damage and maintaining peak engine performance. It features an outer diameter of 80 mm, a length of 135 mm, and an M16 x 1.5 thread size, commonly fitting various Case IH and New Holland agricultural tractors.