52KH1112P265
Differential Pinion Bearing Spacer
Mack

The differential pinion bearing spacer is a precision-engineered component that ensures correct preload and gear alignment within the differential assembly. Its accurate thickness and durable construction help maintain optimal gear contact, reducing wear and preventing gear noise. Proper installation of this spacer is vital for the longevity of the differential gears and bearings, especially under heavy loads. It plays a key role in maintaining the stability and smooth operation of the driveline, preventing costly failures. Regular inspection and replacement of worn spacers are recommended to sustain drivetrain performance. This part is essential for ensuring the reliability of your vehicle’s differential system. Source One Parts Center offers this component as part of a comprehensive differential maintenance kit.