For all your drivetrain needs, the Western Star 4700 Truck Drivetrain selection offers superior components designed for reliability and performance. With parts like u-joints, pinion nuts, sensors, and seal kits, this selection ensures your drivetrain runs smoothly and efficiently. Benefits include improved durability, performance, and lower maintenance costs. Popular items include TPHD series u-joint kits, differential pinion nuts, and sensor replacements for the pinion and input shafts. Whether servicing or upgrading, this category provides the necessary parts for the job.