The Case IH 71103656 is a genuine OEM shim designed for critical spacing and alignment applications within various Case IH agricultural and construction equipment. This essential component ensures optimal performance and longevity of connected parts by providing accurate fitment. With a confirmed thickness of 1.27 mm, an outer diameter of 38.1 mm, and an inner diameter of 25.4 mm, it is compatible with a wide range of models including Puma, Maxxum, Optum, Magnum, Steiger, Quadtrac, Axial-Flow Combines, and Patriot Sprayers.