The Wabco Relay Valve, part number 9730112050, is a genuine Wabco brake system component for heavy-duty truck applications. Relay valves control air delivery to the brake chambers, reducing brake lag by allowing the supply reservoir to feed chambers directly while the foot valve or tractor protection valve handles control signal pressure. This part number identifies the specific Wabco valve variant for your application. Pro Gear and Transmission carries genuine Wabco brake parts. Not sure this is the right valve for your setup? Give us a call and we can help confirm proper fit.
Features
Genuine Wabco relay valve
Part number 9730112050
Designed for heavy-duty truck air brake systems
Controls air delivery timing to brake chambers
Sold by Pro Gear and Transmission
