The Kubota W21TS10031 is a genuine OEM thermostat designed for various Kubota D-Series and V-Series diesel engines. This essential component regulates engine coolant temperature, ensuring optimal operating conditions and preventing overheating or undercooling. It features an 82°C (180°F) opening temperature, crucial for engine efficiency and longevity. Compatible with numerous Kubota tractors, utility vehicles, and compact equipment models.