The Case-IH 84817145 O-Ring is a genuine OEM sealing component designed for various hydraulic and fluid systems in Case-IH agricultural and construction equipment. This O-ring measures approximately 27.79 mm outside diameter, 22.23 mm inside diameter, and 2.77 mm thickness, ensuring a reliable seal to prevent leaks and maintain system pressure. It is a critical component for maintaining the integrity of connections in numerous tractor, combine, and sprayer models.