11 03 12 Mercedes-Benz and MAN Valve Plate

What does a compressor valve plate do?

This compressor valve plate plays a vital role in the pneumatic regulation of air brake compressors. By managing the flow of compressed air through the piston mechanism, it ensures stable pressure buildup required for heavy commercial vehicle braking systems. Built with high-strength components, this part is engineered to withstand the continuous thermal and mechanical stress found in heavy-duty applications.

Compatible vehicles and engines

This component is specifically designed to be compatible with Mercedes-Benz and MAN vehicles. It functions within the air brake compressor assembly to maintain system integrity during operation. For optimal performance, this part is often used alongside other professional repair kit components to restore original pneumatic efficiency.

Installation and maintenance

Technicians should inspect the valve plate during scheduled compressor maintenance intervals. Even if no immediate leaks are present, checking the surface integrity of the plate can prevent sudden system pressure drops. When replacing this component, ensure all mating surfaces are clean to maintain a perfect seal within the compressor housing.

Troubleshooting and selection

If you notice unusual noise or a decrease in air pressure build-up rates, it may indicate wear on the internal valve mechanisms. Consult your authorized distributor to ensure correct fitment for your specific engine configuration.

OE cross-reference

11 03 12 (Compressor Valve Plate) is the equivalent of the MAN, Mercedes-Benz and WABCO OE numbers. This part directly replaces MAN OE number 2V2145615. It also replaces Mercedes-Benz OE number 0001305019 and WABCO OE numbers 4123526582, 4129056534.