The WABCO 4640023340 Pneumatic Solenoid Valve is a premium-grade OEM component engineered specifically for commercial vehicle air brake systems. Manufactured in Poland to exacting industry standards, this high-performance valve features a robust cast metal body designed to endure the harsh operating conditions of heavy-duty transportation. It is equipped with an integrated electromagnetic solenoid actuator that delivers rapid, precise electronic control of air flow, which is critical for modern commercial braking systems. With clearly designated threaded air ports labeled 1, 21, and 22, the valve ensures straightforward installation and reliable pneumatic routing. Choose genuine WABCO replacement parts to guarantee the safety, compliance, and operational efficiency of your commercial fleet.