This genuine Cummins 5292708 thermostat is engineered for precise engine temperature regulation, crucial for the performance and longevity of Cummins QSB 4.5 engines. With an opening temperature of 82°C (180°F), it ensures efficient cooling system operation. This high-quality component is a direct replacement for original equipment, commonly found in heavy machinery, including Hitachi models utilizing Cummins QSB 4.5 engines. It replaces Cummins part numbers 4929642 and 492964200. The thermostat has a diameter of 54mm, a height of 51mm, and weighs 0.12 kg.