The Kubota W21TFD0777 is a genuine OEM air filter designed to provide superior filtration for various Kubota B-Series and BX-Series compact tractors. This essential component protects the engine from harmful contaminants, ensuring clean air intake for efficient operation and extended engine life. With an outer diameter of 82.55 mm, an inner diameter of 44.45 mm, and a length of 184.15 mm, this filter is engineered to exact Kubota specifications for a perfect fit and reliable performance.