Pinion Gear Heavy-Duty Differential Component for 4WD Systems - Sparex Part S.7729This Sparex S. 7729 Pinion Gear is designed for demanding drivetrain and axle differential systems found in agricultural and industrial 4WD equipment. It plays a vital role in transferring rotational motion efficiently from the drive shaft to the differential, ensuring consistent performance in the field. Crafted for strength and precision, this gear features robust tooth profiling and is made from high grade materials to reduce wear, resist fatigue,