The McCormick 6676483A1 is a genuine OEM thermostat designed for precise engine temperature regulation in a wide range of McCormick, Case IH, and New Holland agricultural machinery. This essential cooling system component features an 83°C opening temperature, ensuring optimal engine operating conditions. With a diameter of 54mm and a height of 51mm, it provides reliable performance and direct fitment for specified models, including various CX, MC, MTX, X6, X7, XTX, JX, MAXXUM, MXM, PUMA, QUANTUM, T4, T5, T6, T7, TD5, TK, TL, TS, and TVT series tractors.