Description
- Can be used with single or twin air tanks.
- Valve combines a pressure protection valve, two one-way check valves, spring brake valve with quick release, and a four port relay valve.
Product Specifications
- Crack Pressure: 3.0 PSI
- Reservoir: 3/4″
- Control: 1/4″
- Supply: 3/8″
- Spring Brake: 2 @ 3/8″
- Delivery (4): 3/8″
- OEM Part Number: N4304AC
- Core Group: 228
This product can expose you to chemicals including lead and/or lead compounds & phthalates, including DEHP or DINP, which are known to the State of California to cause cancer & birth defects or other reproductive harm. For more information, go to
Trailer ABS Service Modulator Valve WABCO S4008506020