1100 330 650 Compressor Valve Plate for Heavy Duty

What does a compressor valve plate do?

The compressor valve plate serves as a critical component within the air brake compressor assembly, managing the intake and discharge of air through its integrated port system. Designed to withstand significant thermal stress and impact fatigue, this part ensures the necessary pressure buildup required for reliable braking performance in heavy commercial vehicles.

Vehicle and engine compatibility

This component is engineered to fit a wide range of heavy-duty applications, including Freightliner, Kenworth, Peterbilt, and Western Star trucks. It is specifically compatible with Detroit Diesel 60 Series and DD series engines, ensuring seamless integration into existing pneumatic systems. It is also fitted to Mercedes-Benz trucks.

Maintenance and installation guidance

For optimal performance, technicians should inspect the flatness and thickness of the plate during every overhaul. When replacing this part, it is recommended to install it alongside new reeds and gaskets to ensure a complete sealing system. Proper installation helps maintain the required valve lift distance and prevents pressure loss.

Selection and replacement

To ensure correct fitment, always verify the port layout and mounting holes against the original component. A high-quality valve plate is vital for preventing air leaks and maintaining consistent compressor output under load.

OE cross-reference

1100 330 650 (Compressor Valve Plate) is the equivalent of the Knorr-Bremse OE number. This part directly replaces Knorr-Bremse OE number K011811.