745-276963
Air Brake Double Check Valve and Stop Light Switch
Mack

This combined component plays a vital role in the vehicle’s braking and signaling systems. The double check valve ensures proper air pressure regulation within the brake system, preventing pressure loss and maintaining braking efficiency. The stop light switch activates the brake lights when the pedal is engaged, alerting other drivers and enhancing safety. Its integrated design simplifies installation and reduces the number of individual parts needed for system maintenance. Proper functioning of this assembly is critical for compliance with safety regulations and for ensuring reliable brake performance. Source One Parts Center provides this essential part to support your vehicle’s safety systems, helping you maintain optimal operational standards.