The Kubota W21CKT3879 is a genuine OEM air filter designed to provide superior filtration for Kubota M-Series tractors. This essential component protects the engine from harmful contaminants, ensuring clean air intake for efficient combustion and prolonged engine life. With a height of 304.8 mm, an outer diameter of 114.3 mm, and an inner diameter of 63.5 mm, it is engineered to exact specifications for various M-Series models.