20569224 S2 Volvo B12 Compressor Valve Plate

What does a compressor valve plate do?

The compressor valve plate is a precision-machined component seated between the cylinder block and the cylinder head of an air brake compressor. It serves as the critical interface that carries the intake and discharge reeds, ensuring that air flows in only one direction with every piston stroke. This part is essential for maintaining consistent pressure within the pneumatic system of heavy commercial vehicles.

Compatible vehicles and engines

This specific valve plate is designed to be compatible with Volvo B12 models. For accurate fitment, it is vital to verify the compressor housing details and compare the port layout and thickness with the existing component. This ensures seamless integration within the air brake compressor system.

Installation and maintenance

Technicians should inspect the seating surfaces for any signs of uneven wear or debris during replacement. When installing this component, ensure that the reeds are correctly seated on the port openings to prevent air leakage. Proper installation is key to maintaining the operational integrity of the vehicle's braking system.

Selection guidance

Consult your authorized distributor to verify compatibility with specific engine configurations and compressor types.

OE cross-reference

13 01 12 (Compressor Valve Plate) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20569224S2.