The Kubota W21TSS4090 is a genuine OEM oil filter designed to provide superior filtration and protection for various Kubota machinery, including L-Series, MX-Series, and M-Series tractors, ZD-Series mowers, RTV-X Series utility vehicles, KX and U-Series excavators, SSV and SVL Series loaders, and GL-Series generators. This essential component ensures optimal engine performance and longevity by effectively removing contaminants from the engine oil. With a height of 88.9 mm, an outer diameter of 66.04 mm, and an inner diameter of 25.4 mm, it is engineered to exact Kubota specifications for a perfect fit and reliable operation.