The Kubota W21CKT3902 is a genuine OEM air filter designed to provide superior filtration for various Kubota B, L, and MX series tractors. This essential component protects the engine from harmful contaminants, ensuring optimal performance, fuel efficiency, and extended engine life. With an outer diameter of 95mm, an inner diameter of 51mm, and a height of 180mm, it offers a precise fit and reliable air purification for demanding agricultural and industrial applications.