The Kubota W21TFD0174 is a genuine OEM air cleaner filter designed for various Kubota B and BX series compact tractors. This essential filter effectively removes dust and contaminants from the engine's air intake, protecting internal components from wear and maintaining optimal engine performance. It features a height of 95 mm, an outer diameter of 51 mm, and an inner diameter of 30 mm, ensuring a precise fit and reliable filtration for compatible models.