{"product_id":"aftermarket-graco®-186652-washer-backup-piston-valve-non-oem","title":"Aftermarket GRACO® 186652 Washer, backup, piston valve (Non-OEM)","description":"\u003ch1 style=\"text-align: center;\"\u003eAftermarket GRACO® 186652 Washer, backup, piston valve (Non-OEM)\u003c\/h1\u003e\n\u003cp\u003e\u003cbr\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 559956\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eComparable OEM Part Number:\u003c\/b\u003e 186652\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cb\u003eDescription:\u003c\/b\u003e Total Finishing's part # 18-1846 is a compatible replacement for GRACO® parts 186652 and 186-652, a backup washer for GRACO® spray equipment. A backup washer sits behind a seal or O-ring and gives it a rigid shoulder, preventing the softer seal from extruding into the clearance gap under pressure. Compatible with GRACO® 190 Classic, GRACO® 190 ES Plus, GRACO® 210 ES Plus, GRACO® 290 Classic, GRACO® 390 Classic, GRACO® 395 st Pro and other compatible equipment.\u003c\/p\u003e\n\u003cp\u003eCommon reasons for replacement:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAdjacent seal or O-ring failing early from extrusion\u003c\/li\u003e\n\u003cli\u003eVisible deformation or cupping of the washer\u003c\/li\u003e\n\u003cli\u003ePressure weep past a seal the washer should support\u003c\/li\u003e\n\u003cli\u003eRenewed together with the seal it backs\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® 186-652\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":50591201722616,"sku":"18-1846","price":7.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0325\/8174\/6820\/files\/18-1846__10640.1711569678.1280.1280.webp?v=1790038558","url":"https:\/\/totalfinishingsupplies.com\/products\/aftermarket-graco%c2%ae-186652-washer-backup-piston-valve-non-oem","provider":"Total Finishing Supplies","version":"1.0","type":"link"}