The Case IH A162191 is a genuine OEM fuel tank cap designed to provide a secure and reliable seal for the fuel tank system on a wide range of Case IH agricultural machinery. This essential component is compatible with various models, including the MX series (MX100, MX110, MX120, MX135, MX150, MX170) and numerous 7100, 7200, 8900, and 9000 series tractors. It helps prevent fuel spillage, protects the fuel system from external contaminants, and maintains system integrity for optimal engine performance and longevity. Constructed from durable plastic, this cap is a direct replacement part.