The International ProStar Drivetrain offers essential parts for semi-trucks, including universal joints, differential components, and brake system parts. Featuring trusted brands like Rockwell, Eaton, and Hendrickson, this category provides high-quality replacement parts to keep your drivetrain running smoothly. You'll find everything you need, from key components like pinion nuts and input shaft seals to items like locking nuts and lift axle control panels. Enhance the performance and lifespan of your truck?s drivetrain with durable, reliable parts from leading manufacturers.