{"product_id":"1583025-ring-backup-fits-caterpillar-models","title":"1583025 Ring-Backup Fits Caterpillar Models","description":"\u003ch3\u003eOne New Aftermarket Replacement Ring-Backup for Caterpillar (Cat) Construction Equipment\u003c\/h3\u003e\u003cp\u003eThis backup ring is a hydraulic sealing component used in cylinder assemblies on Caterpillar construction equipment. It seats alongside the primary O-ring to prevent seal extrusion under high hydraulic pressure, helping maintain reliable fluid containment and extending the service life of the cylinder seal group.\u003c\/p\u003e\u003ch4\u003eCompatible Models\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eCaterpillar Knuckleboom Loaders:\u003c\/strong\u003e 539\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCaterpillar Wheel Tractor-Scrapers:\u003c\/strong\u003e 623F\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCaterpillar Track-Type Tractors:\u003c\/strong\u003e D7R Series II, D7R XR\u003c\/p\u003e\u003ch4\u003eReplaces Part Number(s):\u003c\/h4\u003e\u003cp\u003e1583025\u003c\/p\u003e\u003ch4\u003eAftermarket Interchange Numbers\u003c\/h4\u003e\u003cp\u003eCA1583025, 158-3025\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":42451775750227,"sku":"1583025","price":46.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0079\/4060\/3955\/files\/1583025_01.jpg?v=1757717167","url":"https:\/\/www.reliableaftermarketparts.com\/en-au\/products\/1583025-ring-backup-fits-caterpillar-models","provider":"Reliable Aftermarket Parts, Inc®","version":"1.0","type":"link"}