The Campbell Hausfeld HU004600AV is a replacement check valve assembly for Campbell Hausfeld air compressors, identified by the part number HU004600AV. It is used as a direct replacement in Campbell Hausfeld HU3510 air compressor units, providing one‑way airflow from the pump toward the tank while preventing backflow when the compressor is stopped. This genuine Campbell Hausfeld part is designed to drop into the compressor's air-path to restore proper pressure cycling and ensure reliable operation.
