The Kubota W21CKT4059 is a genuine OEM air filter designed to provide superior filtration for various Kubota equipment. This essential component protects the engine from harmful contaminants, ensuring optimal engine performance and longevity. It is a direct replacement part for Kubota B-Series tractors, ZD-Series mowers, and RTV-X series utility vehicles, maintaining the manufacturer's original specifications for fit and function. Key dimensions include a length of 241.3 mm, width of 129.54 mm, and height of 129.54 mm, with a weight of approximately 0.34 kg.