This genuine OEM McCormick 3140797R1 O-Ring is a critical sealing component for various agricultural tractors, including McCormick, Case IH, and New Holland models. Designed with an internal diameter of 60mm, an external diameter of 68mm, and a thickness of 4mm, it ensures a reliable and leak-free seal in hydraulic and engine systems. Manufactured to original equipment specifications for optimal performance and durability across a wide range of machinery.