189AM7
Nut
Mack

This high-strength nut plays a vital role in securing various components within the vehicle's drivetrain and chassis systems. Engineered for durability, it ensures tight fastening under extreme conditions, preventing loosening due to vibration or thermal expansion. Properly torqued nuts are essential for maintaining structural integrity and safety, especially in critical assemblies like axles, suspensions, and transmission mounts. Made from corrosion-resistant materials, this nut offers long-lasting performance and reduces maintenance frequency. Its precise threading and dimensions facilitate easy installation and removal, supporting efficient repair and assembly processes. Source One Parts Center provides reliable nuts that meet strict quality standards, helping you maintain the safety and reliability of your heavy-duty truck fleet.