64GB345
Main Crankshaft Bearing
Mack

This main bearing is a fundamental component that supports the crankshaft, ensuring smooth rotation and reducing friction within the engine. Crafted from high-quality materials, it withstands the stresses of high RPM and thermal expansion, maintaining engine alignment and performance. Proper installation and maintenance of this bearing are crucial for preventing engine damage and ensuring longevity. Its durability helps minimize engine downtime and repair costs. Source One Parts Center offers this main bearing as a trusted part to uphold engine integrity and operational efficiency.