52KH155P285
Differential Pinion Bearing Spacer
Mack

Designed specifically for the differential assembly, this spacer ensures accurate positioning of the pinion bearing, which is vital for smooth gear operation. It helps maintain the correct preload on the bearing, preventing premature wear and potential failure. Proper installation of this spacer is essential for maintaining gear alignment, reducing noise, and ensuring efficient power transfer from the driveshaft to the wheels. Its high-strength material withstands the stresses of heavy-duty operation, providing consistent performance over time. By supporting the integrity of the differential setup, it contributes to the overall durability of the driveline. Source One Parts Center supplies this critical component, emphasizing quality to keep your truck operating reliably.