{"product_id":"campbell-hausfeld-st128408av-pilot-unloader-valve","title":"Campbell Hausfeld ST128408AV Pilot Unloader Valve","description":"\u003cdiv\u003e\u003cp\u003eThe Campbell Hausfeld ST128408AV piloted unloader valve provides precise unloading control for Campbell Hausfeld compressor pumps by venting residual pressure to the tank during unload cycles, enabling a smoother restart. This replacement part is identified as ST128408AV and is cross-referenced to 45V303 in official catalogs. It is commonly paired with Campbell Hausfeld pump assemblies such as 13H30A and 13S30, and is also listed with configurations including 4LW38B and 5F564C. Official replacement-part listings and retailer catalogs consistently identify ST128408AV as the unloader component for these models, ensuring compatibility within the Campbell Hausfeld unloader family. \u003c\/p\u003e\u003c\/div\u003e","brand":"Campbell","offers":[{"title":"New","offer_id":51677632168238,"sku":null,"price":119.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_7c06789c-f1d5-440d-8534-363395432034.jpg?v=1769565693","url":"https:\/\/plgautomation.com\/products\/campbell-hausfeld-st128408av-pilot-unloader-valve","provider":"PLG Automation ","version":"1.0","type":"link"}