The McCormick VP111421 is a genuine OEM pinion designed for specific McCormick agricultural equipment, including CX105, CX110, MC105, and MC110 tractor models. This critical component ensures efficient and durable power transmission within the machine's drivetrain. Manufactured to McCormick's stringent quality standards, it features 10 teeth, an outer diameter of 45mm, an inner diameter of 20mm, and a length of 60mm, providing precise fitment and long-lasting performance essential for maintaining the operational integrity of your machinery.