3083831
Lock Washer
Volvo

Lock Washer provides a reliable locking mechanism in assemblies where vibration could otherwise cause fasteners to loosen. By applying a spring-like pressure and, in some designs, serrations to bite into mating surfaces, it helps maintain preload and clamp force across thermal cycles and rough road conditions typical of heavy trucks. This component is widely used across engine, chassis, and body applications to preserve assembly integrity and prevent leaks, misalignment, or accessory detachment. Correct selection requires matching diameter and thickness to the fastener and surface material, along with appropriate torqueing procedures to achieve the desired friction and locking effect. Regular inspection ensures continued performance, and replacement is recommended when signs of wear or deformation appear. Courtesy of Source One Parts Center.