The New Holland 504096443 is an authentic OEM water thermostat designed to maintain optimal engine operating temperatures across a wide range of New Holland, Case IH, and Steyr agricultural and construction equipment. This critical component ensures efficient engine performance, contributes to fuel economy, and extends engine life by accurately regulating coolant flow. It is a direct replacement part, guaranteeing seamless integration and reliable functionality for various models, including New Holland T4000, T5000, TD5000, TL-A, TN-A, TN-D, TN-S, TN-V, TS-A series tractors, Case IH JX, JXC, JXU, Maxxum, MXM, Quantum series, and Steyr Kompakt tractors.