The McCormick 303662A1 shim is an authentic component designed for various agricultural and construction machinery, including models from Case IH, McCormick, Steiger, and New Holland. This precision-engineered shim helps maintain correct spacing and alignment, crucial for optimal performance and longevity of mechanical assemblies. With an inner diameter of 41.275 mm, an outer diameter of 57.15 mm, and a thickness of 0.127 mm, it provides a precise fit for specified applications.