{"product_id":"aftermarket-graco®-287078-pump-repair-kit-with-leather-polyethylene-packings-piston-valve-lower-jam-nut-non-oem","title":"Aftermarket GRACO® 287078 Pump Repair Kit with leather \u0026 polyethylene packings, piston valve, lower jam nut (Non-OEM)","description":"\u003ch1 style=\"text-align: center;\"\u003eAftermarket GRACO® 287078 Pump Repair Kit with leather \u0026amp; polyethylene packings, piston valve, lower jam nut (Non-OEM)\u003c\/h1\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eManufacturer: \u003c\/b\u003eTotal Finishing Supplies\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003ePart Number:\u003c\/b\u003e 861234\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eComparable OEM Part Number:\u003c\/b\u003e 287078\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eDescription:\u003c\/b\u003e Total Finishing's part # 20-3031 is a direct-fit replacement for the piston valve and nut kit designed for GRACO® 190ES airless spray equipment, serving as a core rebuild component for pump service operations and field repairs.\u003c\/p\u003e\n\u003cp\u003ePump rebuild specialists and spray equipment technicians rely on this kit to restore proper piston function and valve sealing in 190ES pumps that have experienced performance degradation or fluid bypass issues. Professional painting contractors also stock this kit to minimize downtime when valve wear develops during high-volume spraying applications.\u003c\/p\u003e\n\u003cp\u003eCommon reasons for replacement:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePiston valve scoring or wear causing loss of pressure holding capability and fluid leakage past the valve seat\u003c\/li\u003e\n\u003cli\u003eNut corrosion or thread damage preventing secure reassembly of the valve cavity\u003c\/li\u003e\n\u003cli\u003eFluid bypass or inconsistent spray pattern resulting from worn piston-to-bore tolerances\u003c\/li\u003e\n\u003cli\u003eSeal failure in the valve assembly leading to fluid seepage during idle periods or reduced pump efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eManufactured to OEM-equivalent dimensions for proper fit and performance.\u003c\/p\u003e\n\u003cp class=\"p2\"\u003eComparable to GRACO® 287-078\u003c\/p\u003e\n\u003cdiv align=\"left\"\u003e\u003cb\u003eNOTES:\u003c\/b\u003e\u003c\/div\u003e\n\u003cdiv\u003eGRACO®, PerfomAA™, Merkur™  and Reverse-A-Clean® (RAC) Tip are registered trademarks of GRACO®, and the same company may claim unregistered trademark rights in other words. The advertised parts are intended to fit GRACO®, PerfomAA™, Merkur™ and Reverse-A-Clean® (RAC) Tip spray equipment. They are not, however, manufactured, endorsed, or sponsored by GRACO® or any of their affiliates, and no warranty by GRACO®, or any of their affiliates applies. Total Finishing Solutions, LLC is not affiliated with or sponsored or endorsed by GRACO® and is not one of their authorized distributors.\u003c\/div\u003e","brand":"Bedford","offers":[{"title":"Default Title","offer_id":50463289409784,"sku":"20-3031","price":120.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0325\/8174\/6820\/files\/20-3031__27716.1711569704.1280.1280.webp?v=1788859762","url":"https:\/\/totalfinishingsupplies.com\/es\/products\/aftermarket-graco%c2%ae-287078-pump-repair-kit-with-leather-polyethylene-packings-piston-valve-lower-jam-nut-non-oem","provider":"Total Finishing Supplies","version":"1.0","type":"link"}