64GB21841P20
Main Engine Bearing (Crankshaft)
Mack

This main engine bearing is a critical component that supports the crankshaft within the engine block, ensuring smooth rotation and proper alignment. Its high-strength materials and precision manufacturing enable it to withstand the intense pressures and temperatures generated during engine operation. Proper functioning of this bearing is essential for engine stability, reducing vibrations, and preventing catastrophic failures. Regular inspection and replacement are key to maintaining engine health and performance. The bearing's design promotes efficient oil flow, which helps in cooling and lubrication. Source One Parts Center provides reliable main crankshaft bearings that meet rigorous industry standards, ensuring your engine runs efficiently and reliably over its service life.