The Case-IH 431501A1 is a genuine OEM O-ring designed to provide a reliable seal in hydraulic and fluid systems. This high-quality O-ring measures 44.04 mm inner diameter and 3.53 mm thickness, ensuring proper fit and sealing performance for a wide range of Case IH and New Holland agricultural and construction machinery, including Farmall, Maxxum, Puma, Magnum, Steiger, Axial-Flow, and Patriot models.