{"product_id":"1057360-ring-backup-fits-caterpillar-models","title":"1057360 Ring Backup Fits Caterpillar Models","description":"\u003ch3\u003eOne New Aftermarket Replacement Backup Ring (Seal) for Caterpillar (Cat) Equipment\u003c\/h3\u003e\u003cp\u003eThis backup ring is a hydraulic sealing component used in hydraulic cylinder assemblies on Caterpillar construction equipment. Backup rings support and reinforce primary seals under high-pressure conditions, preventing seal extrusion and maintaining fluid containment for reliable hydraulic system performance. This part is identified by Caterpillar as a Ring-Back Up and is commonly used on equipment powered by Cat 3000-series and C-series engines.\u003c\/p\u003e\u003ch4\u003eCompatible Models\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eCaterpillar Engine Families:\u003c\/strong\u003e 3046, 3054, 3054C, 3054E, 3056E, 3066, C4.2, C4.4, C6.6\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCaterpillar Equipment:\u003c\/strong\u003e 315 Series\u003c\/p\u003e\u003cp\u003eVerify fitment using your machine model and serial number before ordering.\u003c\/p\u003e\u003ch4\u003eReplaces Part Number(s):\u003c\/h4\u003e\u003cp\u003e1057360\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":42454055977043,"sku":"1057360","price":36.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0079\/4060\/3955\/files\/1057360_01.jpg?v=1757658221","url":"https:\/\/www.reliableaftermarketparts.ca\/products\/1057360-ring-backup-fits-caterpillar-models","provider":"Reliable Aftermarket Parts, Inc®","version":"1.0","type":"link"}