5396-40010402
Air Brake Automatic Slack Adjuster
Mack

This essential component plays a critical role in maintaining optimal brake performance by automatically adjusting the slack in the air brake system. Its precise operation ensures consistent brake application, reducing the need for manual adjustments and enhancing safety during operation. The slack adjuster compensates for brake lining wear, helping to maintain proper clearance between brake drum and lining, which prolongs the lifespan of braking components. Its robust construction guarantees durability under demanding conditions, making it a reliable choice for heavy-duty applications. Proper functioning of this part directly impacts stopping distances and overall vehicle safety, especially on long hauls or mountainous terrains. Regular inspection and maintenance of the slack adjuster are vital for ensuring brake system integrity. Source One Parts Center offers high-quality replacements designed to meet or exceed OEM standards, ensuring your braking system remains responsive and dependable.