The Manitou 703405 is a genuine OEM thermostat designed for Manitou machinery equipped with Yanmar engines. This critical engine component ensures optimal operating temperature by regulating coolant flow, with an opening temperature of 82°C. It is a direct replacement for original parts and is essential for maintaining engine efficiency and preventing overheating or undercooling. Confirmed fitment includes Manitou MLT 625 75 H, MT 420 H 75 K, and MT 625 H 75 K telehandler models.