The Kubota W21TS10038 is a genuine OEM thermostat designed for various Kubota agricultural and utility machinery. This essential component regulates engine operating temperature, ensuring optimal performance and preventing overheating or undercooling. It is compatible with a wide range of Kubota models including B-series, BX-series, F-series, L-series, LX-series, RTV-X series, ZD-series, and ZG-series, providing precise temperature control for reliable engine operation.