The McCormick 3657139M1 Spacer is an authentic OEM component designed for precise fitment in various McCormick X-series tractors. This genuine spacer ensures correct alignment and spacing of mechanical parts, contributing to the optimal function and longevity of your machinery. With an outer diameter of 30 mm, an inner diameter of 20 mm, and a thickness of 10 mm, it is engineered to meet original equipment specifications. Weighing 0.12 kg, this durable spacer is crucial for maintaining the integrity of assemblies in models including the X4.20, X4.30, X4.40, X4.50, X4.60, X5.20, X5.30, X5.40, X5.50, X6.420, X6.430, X6.440, X7.440, X7.450, X7.460, X7.650, X7.660, X7.670, X7.680, X8.660, X8.670, X8.680.