The Case IH 197321A1 is a genuine OEM sensor designed for a wide range of Case IH agricultural machinery. This critical component ensures accurate monitoring and optimal performance across various models, including the 1600, 2100, 2300, and 2500 series combines, MX series and STX series tractors, as well as 7100, 7200, 8900, 9100, 9200, and 9300 series tractors. It is also compatible with Case IH cotton pickers and windrowers, serving as a direct replacement part to maintain system functionality and reliability.