2104-201302
Main Crankshaft Bearing
Mack

This bearing is essential for supporting the crankshaft within the engine block, enabling smooth rotation and minimizing friction. Its high-quality materials and precision manufacturing ensure durability and reliable performance under extreme loads. Proper installation and maintenance of this bearing are crucial for preventing engine knocking, reducing wear, and extending engine life. It plays a vital role in maintaining proper engine timing and power delivery, especially in heavy-duty applications where engine stress is significant. The main bearing’s robust design helps absorb vibrations and withstand high temperatures, ensuring consistent operation. Source One Parts Center supplies this main crankshaft bearing to help keep your engine running efficiently and reliably in demanding conditions.