The Kubota W21CKT4074 is a genuine OEM air filter designed to provide superior filtration for Kubota B-Series tractors. This essential component protects the engine from harmful contaminants, ensuring clean air intake for optimal performance and longevity. With an outer diameter of 102 mm, an inner diameter of 60 mm, and a length of 200 mm, it is engineered to exact Kubota specifications for a perfect fit and reliable operation in compatible models.