31KD2151P4
Washer
Mack

This high-quality washer is essential for ensuring secure and reliable fastening in various truck assembly applications. Designed to distribute load evenly, it prevents damage to surfaces and maintains the integrity of bolted connections under heavy-duty conditions. Its durable construction withstands vibration, thermal expansion, and mechanical stress, making it a vital component in maintaining the safety and stability of critical truck systems. Proper use of this washer can extend the lifespan of fasteners and reduce maintenance costs by preventing loosening and wear over time. Whether used in chassis assembly, engine mounting, or other structural points, this washer provides consistent performance in demanding environments. Source One Parts Center offers these washers as part of their comprehensive inventory, ensuring you have access to reliable hardware for your heavy-duty truck needs.