37AX563
Washer
Mack

This precision-engineered washer plays a vital role in ensuring secure and reliable fastening in heavy-duty applications. Designed to distribute load evenly across fastener surfaces, it helps prevent damage to components and maintains the integrity of assemblies under extreme operational stresses. Its robust construction withstands high torque and vibration, making it essential for maintaining tight connections in critical areas such as engine mounts, suspension systems, and chassis assemblies. Proper use of this washer can significantly extend the lifespan of fasteners and reduce maintenance costs by preventing loosening and wear. Source One Parts Center offers this high-quality hardware component, ensuring durability and performance in demanding environments. Whether used in new installations or repairs, this washer is a fundamental part of maintaining the safety and reliability of heavy-duty trucks.