The Case IH 83987627 Tank Cap is a genuine OEM replacement part designed for a wide range of Case IH agricultural and construction machinery. This durable tank cap ensures a secure seal for fuel or hydraulic tanks, preventing leaks and contamination. It is compatible with various models including JX, MXM, Puma, and Quantum series tractors, as well as select combines, balers, and loaders, maintaining the integrity of your machine's fluid systems.