52KH155P250
Differential Pinion Bearing Spacer
Mack

This spacer is a vital component in the assembly of the differential pinion bearing, ensuring precise alignment and proper preload. Its accurate dimensions help maintain the correct positioning of the pinion gear, which is essential for smooth gear operation and longevity. Proper installation of this spacer reduces uneven wear and prevents premature failure of bearings and gears. It plays a key role in maintaining the integrity of the drivetrain, especially under heavy loads and high torque conditions common in trucking applications. Using high-quality spacers from Source One Parts Center guarantees optimal performance and durability, supporting the overall reliability of your vehicle's axle assembly.