The Case IH 5177039 is a genuine OEM transmission washer designed for various Case IH JXC, JXN, and C/C series tractors, including specific Farmall models. This essential component ensures proper spacing and reduces friction within the transmission system, contributing to reliable operation and longevity. Manufactured to original equipment specifications for a precise fit and optimal performance, with an inner diameter of 25.4 mm, an outer diameter of 40 mm, and a thickness of 2 mm.