{"product_id":"1183130-ring-backup-fits-caterpillar-models","title":"1183130 Ring-Backup Fits Caterpillar Models","description":"\u003ch3\u003eOne New Aftermarket Replacement Backup Ring for Caterpillar (Cat) Wheeled Excavators\u003c\/h3\u003e\u003cp\u003eThis aftermarket replacement backup ring (Ring-Backup) is a hydraulic sealing component used in the hydraulic cylinders of Caterpillar wheeled excavators. Backup rings seat alongside O-rings inside hydraulic cylinders to prevent seal extrusion and deformation under high pressure, maintaining hydraulic fluid integrity and preventing leaks in demanding construction applications.\u003c\/p\u003e\u003ch4\u003eCompatible Models\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eCaterpillar Wheeled Excavators:\u003c\/strong\u003e M312, M313C, M313D, M315, M315C, M315D, M315D 2, M316C, M316D, M317D 2, M318, M318C, M318C MH, M318D, M318D MH, M320, M322C, M322D, M322D MH, M325C MH, M325D MH\u003c\/p\u003e\u003ch4\u003eReplaces Part Number(s):\u003c\/h4\u003e\u003cp\u003e1183130\u003c\/p\u003e\u003cp\u003eNew aftermarket replacement part - not remanufactured, not used.\u003c\/p\u003e","brand":"Reliable Aftermarket Parts, Inc® -OD","offers":[{"title":"Default Title","offer_id":42452434354259,"sku":"1183130","price":23.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0079\/4060\/3955\/files\/1183130_01.jpg?v=1757725296","url":"https:\/\/www.reliableaftermarketparts.com\/products\/1183130-ring-backup-fits-caterpillar-models","provider":"Reliable Aftermarket Parts, Inc®","version":"1.0","type":"link"}