The Kubota W21TFD0126 is a genuine OEM air filter designed to provide superior filtration for various Kubota machinery, including BX, B, ZD, ZG, GR, F, K, and RTV-X series tractors, mowers, excavators, and utility vehicles. This essential component ensures clean air intake, protecting the engine from contaminants and maintaining optimal performance and longevity. It measures 120.65 mm in length, 82.55 mm in outer diameter, and 44.45 mm in inner diameter, with a weight of 0.18 kg.