The Zetor 904000818 is a genuine hydraulic gearbox filter designed for Zetor tractors. This essential component ensures clean hydraulic fluid circulation within the gearbox system, protecting critical transmission components from contaminants. With an outer diameter of 95mm, an inner diameter of 51mm, and a height of 120mm, this filter provides optimal filtration for various Zetor models including the 3320, 3321, 3340, 3341, 4320, 4321, 4340, 4341, 5320, 5321, 5340, 5341, 6320, 6321, 6340, 6341, 7320, 7321, 7340, and 7341 series.