{"product_id":"graco-181338","title":"Backup Washer","description":"\u003cp\u003eThe Bedford 18-1301 is a compatible replacement for Graco parts 181338 and 181-338 — the backup washer used in 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 EM 590.\u003c\/p\u003e\n\u003cp\u003eCommon reasons for replacement:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRenewed together with the seal it backs\u003c\/li\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\u003c\/ul\u003e\n\u003cp\u003eManufactured to OEM-equivalent dimensions for proper fit and performance.\u003c\/p\u003e\n\u003cp\u003eReplacement for: Graco 181338, Graco 181-338.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eBEDFORD® and BEDFORD PRECISION PARTS™ are proprietary marks of Bedford Precision Parts, LLC (“Bedford”). All other listed marks are proprietary to their respective owners and are not affiliated with Bedford.\u003c\/em\u003e\u003c\/p\u003e","brand":"Bedford Precision","offers":[{"title":"Default Title","offer_id":50049509163314,"sku":"18-1301","price":4.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/6544\/7730\/files\/18-1301__18124.1711569667.1280.1280.jpg?v=1748522132","url":"https:\/\/bedfordprecision.com\/products\/graco-181338","provider":"Bedford Precision","version":"1.0","type":"link"}