The Kubota W21CKT4725 is a genuine OEM oil filter designed to provide superior filtration and protect your engine from contaminants. This essential maintenance part ensures clean oil circulation, extending engine life and maintaining peak performance across a wide range of Kubota agricultural and utility machinery, including B-Series, BX-Series, L-Series, LX-Series tractors, RTV-X utility vehicles, and ZD-Series mowers.