The Case IH MT40189711 is a genuine OEM fuel tank cap designed for a wide range of Case IH and New Holland agricultural tractors. This essential component ensures a secure seal for the fuel tank, preventing fuel spillage and contamination. It is compatible with various Case IH JX, JXU, and Quantum series tractors, as well as New Holland T4000, T5000, TD5000, and TN series models, providing reliable performance and a precise fit.