20701801 S2 Volvo FH12 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 for the intake and discharge reeds, ensuring that air flows in only one direction during every piston stroke to maintain consistent pressure.

Compatible Volvo FH12 models

This specific valve plate is compatible with Volvo FH12 models, including variants such as the FH 12/420, FH 12/340, FH 12/380, FH 12/500, and FH 12/460. It is engineered to meet the rigorous demands of heavy commercial vehicle service.

Installation and maintenance guidance

When performing maintenance, technicians should inspect the plate for any signs of uneven wear or debris that could obstruct the reed seating. It is essential to verify that the port layout and plate thickness match the original component exactly to ensure proper sealing and compression efficiency.

Selection and inspection tips

For optimal performance, always consult the technical specifications of your specific compressor unit before installation to ensure perfect fitment within the pneumatic system.

OE cross-reference

13 01 12 (Compressor Valve Plate) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20701801S2.