40QE2187
Air Tank Pressure Check Valve
Mack

This specialized valve monitors and regulates the pressure within the air tank, ensuring the braking system operates within safe parameters. It acts as a safeguard against over-pressurization, which could lead to system failure or damage. Made from corrosion-resistant materials, it provides long-lasting performance even in demanding environments. Properly functioning pressure check valves are essential for maintaining consistent brake response and safety compliance. Regular testing and replacement of this component help prevent air leaks and pressure inconsistencies that could compromise vehicle safety. Source One Parts Center supplies this reliable valve, supporting the integrity of your truck’s air brake system.