The Case-IH 47126890 is a genuine OEM engine block heater designed to pre-heat the engine coolant, facilitating easier and more reliable starting in cold weather conditions. This essential component helps reduce engine wear and improves fuel efficiency during cold starts. It is compatible with a wide range of Case-IH, New Holland, and Steyr agricultural and construction machinery, including numerous tractor and combine models. Verify fitment with your specific machine model for optimal performance.