The Case IH 87712900 is a genuine OEM fuel tank cap designed to provide a secure and tight seal for the fuel system on various Case IH agricultural machinery. This essential component helps prevent fuel spillage, contamination, and evaporation, maintaining the integrity of the fuel system. It is compatible with a wide range of Case IH MXM, MXU, and Puma series tractors, AFX series combines, and WD series windrowers, ensuring proper fitment and reliable performance.