The Kubota W21THK0061 is a genuine OEM thermostat designed for precise engine temperature regulation in a wide range of Kubota agricultural, construction, and utility vehicles. This essential component ensures optimal engine performance and longevity by maintaining the correct operating temperature. It is compatible with numerous Kubota models including B, BX, F, G, GR, K, KX, RTV-X, U, and ZD series, and is commonly found in engines such as D722, D902, D1005, D1105, D1305, D1505, V1505, V2203, V2403, V3307.