85135349
Relay Valve
Mack

The relay valve is a key component in the air brake system, responsible for controlling air pressure to the brake chambers. Its precise operation ensures timely and effective braking response, which is critical for safety in heavy-duty trucks. Designed for durability, it withstands high pressures and frequent cycling without failure. Proper functioning of this valve helps maintain consistent brake performance and reduces the risk of brake failure during critical moments. Easy to install and maintain, it is an essential part for fleet operators and maintenance professionals. Source One Parts Center offers this reliable relay valve to support your vehicle’s braking system, ensuring safety and compliance in demanding operational environments.