The Kubota W21CKT4628 is a genuine OEM air cleaner element designed to provide superior filtration for Kubota RTV-X series utility vehicles. This essential component protects the engine from harmful contaminants, ensuring clean air intake for optimal performance and longevity. It is a direct replacement part for models including RTV-XG850, RTV-X1100CR, RTV-X1100CW, RTV-X1120DR, RTV-X1120DW, RTV-X1140R, RTV-X1140W, RTV-X900R, and RTV-X900W.