The International WorkStar Drivetrain category offers a wide selection of parts to keep your truck running smoothly. This category provides everything you need for drivetrain maintenance and upgrades, from differential pinion nuts and oil seals to universal joint kits and cam shafts. Key benefits include durable stainless steel construction, direct OEM replacements, and precision designs for optimal performance and longevity. Whether you're working on a Hendrickson INTRAAX axle, Rockwell RD20145 differential, or universal joints, you'll find the right parts for the job. Boost your WorkStar's efficiency and reliability with top-quality drivetrain components designed to minimize downtime and reduce maintenance costs.