Enhance Your Drivetrain Components for Better Power Transfer

Upgrade your Peterbilt 389 drivetrain with durable replacement parts like differential pinion nuts (securely hold the pinion yoke), universal joints (better power transfer from transmission), and oil seals (prevent premature wear of the pivot point) for optimal driving performance. Designed for the demands of the road, these high-quality components ensure reliable power delivery and long-lasting durability. Keep your rig in top condition with expertly engineered parts from trusted brands.