Campbell Hausfeld TQ900400AV Valve Plate Assembly

Campbell Hausfeld TQ900400AV Valve Plate Assembly is a quad valve plate set designed for Campbell Hausfeld air compressors, providing a ready-to-install assembly that includes the valve plate with valves installed and upper and lower gaskets. It replaces several earlier part numbers, including TQ011300AJ, TQ900400AJ, and VT470800AJ, aligning with the quad-valve configuration used across Campbell Hausfeld models. Variants in the same family, such as VT491100AV, share the same replacement compatibility, confirming its role in restoring proper valve operation. Use this assembly to refresh airflow and maintain compressor performance during head rebuilds or major servicing, ensuring correct fit with the corresponding cylinder head and gasket interfaces.