52KH155P310
Differential Pinion Bearing Spacer
Mack

The differential pinion bearing spacer is a crucial component that ensures proper preload and alignment of the pinion bearing within the differential assembly. Its precise dimensions help maintain the correct gear contact pattern, which is vital for smooth operation and longevity of the driveline. Proper installation of this spacer prevents excessive wear and reduces the risk of gear failure, contributing to the overall reliability of the drivetrain. It also helps in minimizing vibrations and noise during vehicle operation, enhancing driver comfort. This part is designed to withstand high torque and stress, making it indispensable for heavy-duty applications. Source One Parts Center provides this spacer as part of their commitment to quality and dependable service, ensuring your truck’s differential functions flawlessly.