{"product_id":"campbell-hausfeld-hl019400av-check-valve-assembly","title":"Campbell Hausfeld HL019400AV Check Valve Assembly","description":"\u003cdiv\u003e\u003cp\u003eCampbell Hausfeld HL019400AV Check Valve Assembly is an OEM one‑way valve used in Campbell Hausfeld air compressors to regulate air flow from the pump toward the storage tank and to prevent backflow when the unit cycles off. The HL019400AV designation appears in Campbell Hausfeld replacement parts diagrams and service manuals as the dedicated check valve component, and it is shown alongside unloader and head‑assembly components in several model lines, underscoring its role as a core service part in the compressor head ecosystem. This valve is typically installed as part of the head or intake manifold assembly, and it is referenced in documents for replacing worn or failed check valves to restore proper cycling, pressure retention, and overall compressor performance. Model coverage in publicly available diagrams includes units such as HU2000 and HX4002, among others, indicating broad applicability across multiple Campbell Hausfeld platforms. When purchasing this part, verify the fitment against your exact model’s diagram to ensure correct replacement, since Campbell Hausfeld catalogs list HL019400AV in multiple head configurations and configurations. \u003c\/p\u003e\u003c\/div\u003e","brand":"CAMPBELL","offers":[{"title":"New","offer_id":51677636591918,"sku":null,"price":74.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_7cf89e2d-9e52-45c3-be2a-65a6ab62e123.jpg?v=1769565751","url":"https:\/\/plgautomation.com\/products\/campbell-hausfeld-hl019400av-check-valve-assembly","provider":"PLG Automation ","version":"1.0","type":"link"}