52KH1111
Differential Pinion Bearing Spacer
Mack

This spacer is designed to maintain proper positioning of the pinion bearing within the differential assembly. Accurate spacing is crucial for ensuring correct gear meshing, which directly impacts drivetrain efficiency and longevity. The spacer’s precision manufacturing helps prevent excessive wear, noise, and potential failure of differential components. Proper installation and maintenance of this part are vital for smooth operation of the driveline, especially under heavy loads. Using high-quality spacers like this can significantly extend the service life of the differential and reduce repair costs. Source One Parts Center provides this component as a reliable part to support your vehicle’s drivetrain integrity and performance in demanding conditions.