The Case IH 786999R1 is a genuine OEM temperature sender, also known as a Jaeger temperature sensor. This critical component is designed to accurately monitor and transmit engine temperature readings to the instrument panel, preventing overheating and ensuring optimal engine performance. It is a direct replacement part for a wide range of Case IH and International Harvester tractor models, including the 3200, 4200, C, CX, and 454-995 series, as well as industrial models 2400A and 2500A. Replace a faulty temperature sender to maintain reliable engine diagnostics.