The McCormick 3695916M1 is a genuine OEM pinion gear designed for the transmission systems of McCormick CX series agricultural tractors. This essential component features 13 teeth, an outer diameter of 43 mm, an inner diameter of 25 mm, and an overall length of 51 mm, ensuring precise fitment and reliable power transfer. It is a direct replacement part, compatible with various CX models including CX50, CX60, CX70, CX75, CX80, CX85, CX90, CX95, CX100, CX105, CX110, CX110L, and CX115.