The Kubota 3B99400791 is a genuine OEM air cleaner element designed to ensure optimal engine performance and longevity for a wide range of Kubota agricultural and utility machinery. This essential filter effectively removes dust, dirt, and debris from the air intake, protecting critical engine components from wear. With a height of 178 mm, an outer diameter of 114 mm, and an inner diameter of 70 mm, this air filter element is a direct replacement for various Kubota B-Series, BX-Series, RTV, and ZD-Series models, including B2320, BX1860, RTV900, and ZD221.