4559-21426
Exhaust Brake Slave Piston Spring
Mack

This exhaust brake slave piston spring plays a crucial role in the proper functioning of exhaust braking systems, which are vital for controlling vehicle speed during downhill descents and reducing brake wear. It provides the necessary tension to return the piston to its resting position after activation, ensuring consistent and reliable brake operation. Made from high-strength materials, this spring resists fatigue and corrosion, maintaining performance over extended service periods. Properly functioning springs help optimize braking efficiency, improve safety, and extend the lifespan of exhaust brake components. Regular inspection and replacement are recommended to prevent system failure. Source One Parts Center supplies this high-quality spring, designed to meet the demanding needs of heavy-duty exhaust brake systems.