{"product_id":"1362445-ring-backup-fits-caterpillar-models","title":"1362445 Ring-Backup Fits Caterpillar Models","description":"\u003ch3\u003eOne New Aftermarket Replacement Backup Ring for Caterpillar (Cat) Excavators and Front Shovels\u003c\/h3\u003e\u003cp\u003eThis backup ring (part number 1362445) is a hydraulic sealing component used in Caterpillar (Cat) large excavators, front shovels, and mobile hydraulic power units. Backup rings are thin support rings installed alongside O-rings and shaft seals to prevent seal extrusion under high hydraulic pressure, helping maintain fluid integrity and extend the service life of hydraulic cylinder components. This part is associated with the engine oil pump assembly and is typically serviced during oil pump or oil pan removal procedures.\u003c\/p\u003e\u003ch4\u003eCompatible Models\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eCaterpillar Excavators:\u003c\/strong\u003e 345B II, 345C, 345C L, 365B, 365B II, 365B L, 365C, 365C L, 365C L MH, 374D L, 374F L, 385B, 385C, 385C FS, 385C L, 385C L MH, 390D, 390D L, 390F L\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCaterpillar Front Shovels:\u003c\/strong\u003e 385C, 5090B\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCaterpillar Mobile Hydraulic Power Units:\u003c\/strong\u003e 365C L, 385C, 385C L\u003c\/p\u003e\u003ch4\u003eReplaces Part Number(s):\u003c\/h4\u003e\u003cp\u003e1362445\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":42452276412499,"sku":"1362445","price":43.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0079\/4060\/3955\/files\/1362445_01.jpg?v=1757789590","url":"https:\/\/www.reliableaftermarketparts.com\/en-au\/products\/1362445-ring-backup-fits-caterpillar-models","provider":"Reliable Aftermarket Parts, Inc®","version":"1.0","type":"link"}