191AM16
Nut
Mack

This heavy-duty nut is essential for securing various components within a truck's mechanical and structural systems. Crafted from durable materials, it offers excellent resistance to corrosion, vibration, and mechanical stress, ensuring long-term performance. Its precise threading provides a secure fit, reducing the risk of loosening during operation. Proper fastening with this nut is critical for maintaining the safety and reliability of your vehicle, especially in demanding environments. Regular inspection and replacement when worn are recommended to prevent potential failures. Source One Parts Center provides this fastener as part of their trusted inventory, ensuring quality and compatibility for your maintenance needs.