{"product_id":"2344584-ring-backup-fits-caterpillar-models","title":"2344584 Ring Backup Fits Caterpillar Models","description":"\u003ch3\u003eOne New Aftermarket Replacement Backup Ring for Caterpillar (Cat) Excavators\u003c\/h3\u003e\u003cp\u003eThis backup ring (part number 2344584) is a hydraulic sealing component used in Caterpillar excavator hydraulic cylinders. Backup rings are installed alongside primary O-rings and seals to prevent seal extrusion under high-pressure conditions, maintaining system integrity and extending seal service life in demanding construction environments.\u003c\/p\u003e\u003ch4\u003eCompatible Models\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eCaterpillar Excavators:\u003c\/strong\u003e 320D, 320D FM, 320D L, 320D2, 320D2 L, 320E LN, 323D L, 323D LN, 323D SA, 323D2 L, 323E L, 324D, 324D FM, 324D L, 324E, 324E L, 324E LN, 325D, 325D L, 326D L, 328D LCR, 329D, 329D L, 329E, 329E L\u003c\/p\u003e\u003cp\u003eVerify fitment by model and serial number before ordering. Consult your Cat dealer or parts manual to confirm this ring fits your specific hydraulic cylinder assembly.\u003c\/p\u003e\u003ch4\u003eReplaces Part Number(s):\u003c\/h4\u003e\u003cp\u003e2344584\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":42452920336467,"sku":"2344584","price":26.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0079\/4060\/3955\/files\/2344584_01.jpg?v=1757894741","url":"https:\/\/www.reliableaftermarketparts.com\/products\/2344584-ring-backup-fits-caterpillar-models","provider":"Reliable Aftermarket Parts, Inc®","version":"1.0","type":"link"}