The McCormick 3689034M1 is a genuine OEM washer designed for various McCormick tractor models. This essential component ensures proper spacing and secure fastening within critical assemblies. Compatible with McCormick CX series (CX50 to CX115), MC series (MC80 to MC135), MTX series (MTX110 to MTX200), X4 series (X4.20 to X4.50), X5 series (X5.20 to X5.60), X6 series (X6.420 to X6.440), X7 series (X7.440 to X7.680), and X8 series (X8.660 to X8.680) tractors, ensuring reliable performance and a precise fit.