This is a brand-new automatic slack adjuster with part number 72662 1112831, professionally made for truck and trailer air brake systems. It automatically maintains proper brake clearance to deliver stable and reliable braking effect during travel. Adopted high-strength alloy material, it owns great wear resistance and anti-deformation ability to adapt to complex road conditions. Precise factory production ensures perfect compatibility and simple installation. Rigid quality control ensures durable performance, ideal for chassis repair and brake system part replacement.