The Kubota W21TSS2157 is a genuine OEM air filter designed to provide superior engine protection for various Kubota machinery. This filter ensures clean air intake, crucial for optimal engine performance and longevity. It is compatible with Kubota L-Series tractors including L3560HST, L3560HSTC, L4060HST, L4060HSTC, L4760HST, L4760HSTC, L5060HST, L5060HSTC, SVL65-2 and SVL65-2S compact track loaders, KX033-4, KX040-4, KX057-4, U35-4, U55-4 excavators, and RTV-X utility vehicles such as RTV-X1100CR, RTV-X1100CW, RTV-X1120DR, RTV-X1120DW, RTV-X1140R, and RTV-X1140W.