4AM37
Bolt
Mack

This high-strength fastener is critical for securing various truck components, providing a reliable connection that withstands vibration, torque, and heavy loads. Precision-engineered for durability, it ensures that critical assemblies remain tight and secure over extended periods of operation. Using quality bolts like this one reduces the risk of component failure, which can lead to costly repairs and downtime. Its corrosion-resistant finish enhances longevity, especially in harsh environments. Whether used in engine assemblies, chassis connections, or other structural applications, this bolt plays a vital role in maintaining vehicle integrity. Source One Parts Center supplies this essential hardware to support the safety and reliability of your heavy-duty fleet.