The McCormick 6652634A1 is a genuine OEM O-ring designed for sealing applications in various agricultural and construction machinery. This O-ring features an inner diameter of 110 mm, an outer diameter of 120 mm, and a thickness of 5 mm. It is also cross-referenced as CNH Industrial part number 87304191 and is widely used across a broad range of McCormick, Case IH, and New Holland tractor models, ensuring a reliable and leak-free seal for critical components.