189AM11
Nut
Mack

This fastener is a fundamental element in securing various truck components, providing essential clamping force to maintain assembly integrity. Crafted from high-strength materials, it offers excellent resistance to vibration, corrosion, and mechanical stress, ensuring long-lasting performance. Properly torqued, it prevents loosening that could lead to component failure or safety hazards. Its precise threading and dimensions guarantee compatibility with corresponding bolts and fittings, facilitating straightforward installation and maintenance. Whether used in chassis, drivetrain, or body assemblies, this nut is vital for maintaining the structural stability of your vehicle. Source One Parts Center offers this durable fastener, ensuring your repairs meet the highest standards of safety and reliability.