The Case-IH A47221 O-Ring is an authentic OEM sealing component designed for a wide array of Case-IH agricultural and construction equipment. This O-ring is crucial for preventing leaks and maintaining system integrity in demanding applications. It features an inner diameter of 10.77 mm, an outer diameter of 14.35 mm, and a cross-section of 1.78 mm, providing a precise and durable seal for optimal performance across compatible models.