21AX941
Nut
Mack

This high-quality nut is essential for securing various components in heavy-duty truck assemblies. Designed with precision threading and durable materials, it ensures a tight fit that maintains structural integrity under demanding operational conditions. Properly torqued nuts prevent loosening caused by vibrations and heavy loads, contributing significantly to vehicle safety and reliability. Whether used in engine mounts, chassis connections, or accessory fittings, this nut provides dependable fastening performance. Its corrosion-resistant finish extends service life, reducing maintenance needs and downtime. Source One Parts Center offers this component to ensure you receive a product that meets strict industry standards, supporting the longevity and safety of your fleet.