The Kubota W21TS09965 is a genuine OEM thermostat designed to maintain the correct operating temperature in Kubota engines. This critical component helps prevent overheating and ensures efficient engine performance. It is compatible with a wide range of Kubota models, including tractors, utility vehicles, and excavators, featuring engines such as the D1105, D902, V1505, and V2203. This thermostat is a direct replacement for the original part, ensuring proper fit and function.