25097591
Main Crankshaft Bearing
Mack

This main bearing is a critical component in the engine's rotating assembly, supporting the crankshaft and enabling smooth rotation under high loads. Its precise engineering ensures minimal friction and wear, which is essential for maintaining engine efficiency and longevity. Proper lubrication and alignment of this bearing are vital for preventing engine damage and costly repairs. It plays a key role in maintaining proper engine timing and power delivery, directly impacting overall vehicle performance. High-quality materials and manufacturing processes used in this bearing provide resistance to heat and stress, ensuring reliable operation over extended periods. Source One Parts Center supplies this essential engine part, helping keep heavy-duty trucks running reliably on demanding routes.