52KH199P278
Differential Pinion Bearing Spacer
Mack

This specialized spacer is designed to precisely position the pinion bearing within the differential assembly, ensuring proper gear alignment and load distribution. Its accurate fit is vital for minimizing gear wear, reducing noise, and extending the lifespan of the drivetrain components. Made from high-strength materials, it withstands the stresses of heavy-duty operation and maintains its shape under pressure. Correct installation of this spacer is essential for optimal differential performance and vehicle handling. Source One Parts Center offers this critical component, supporting the durability and efficiency of your truck’s drivetrain system.