745-800731
Relay Valve
Mack

The relay valve plays a pivotal role in the air brake system, controlling the application and release of brake pressure across multiple axles. Its precise operation ensures balanced braking force, which is vital for vehicle stability and safety during operation. This component responds quickly to driver inputs, reducing stopping distances and improving overall brake performance. Its robust construction guarantees longevity under demanding conditions, such as heavy loads and frequent use. Proper maintenance and timely replacement of the relay valve are crucial for optimal brake system functionality. Source One Parts Center provides high-quality relay valves designed to meet rigorous industry standards, helping you maintain safety and compliance on the road. This part is essential for ensuring your vehicle's braking system functions reliably in all driving scenarios.