The McCormick 3426257M2 pinion is a genuine OEM component designed for optimal performance and durability in McCormick agricultural equipment. This essential part facilitates efficient power transmission within the machinery's drivetrain, ensuring smooth operation and longevity. Manufactured to precise specifications, it guarantees a perfect fit and reliable function, maintaining the integrity of your McCormick tractor or other compatible machines. Always refer to your equipment's parts catalog for specific fitment details.