The Case IH 81864333 is a genuine OEM piston ring designed for various Case IH agricultural machinery equipped with FPT engines. This critical engine component, with a bore diameter of 104 mm and a thickness of 3 mm, ensures proper compression and oil control, vital for maintaining engine efficiency and longevity. It is a direct replacement part, guaranteeing precise fit and reliable performance in compatible Case IH Maxxum, Puma, Farmall, JX, MXM, MXU, Quantum, and Vestrum series tractors.