{"product_id":"1264004-ring-backup-fits-caterpillar-models","title":"1264004 Ring-Backup Fits Caterpillar Models","description":"\u003ch3\u003eOne New Aftermarket Replacement Ring-Backup for Caterpillar (Cat) Excavators and Mobile Hydraulic Power Units\u003c\/h3\u003e\u003cp\u003eThis PTFE backup ring (Cat part 126-4004) is used in the hydraulic travel motor assembly on large Caterpillar excavators and mobile hydraulic power units. Backup rings work in tandem with O-rings to prevent seal extrusion under high hydraulic pressure, maintaining fluid integrity and extending the service life of the hydraulic system.\u003c\/p\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eInside Diameter (ID): 241.3 mm (9.5 in)\u003c\/li\u003e\n\u003cli\u003eOutside Diameter (OD): 243.74 mm\u003c\/li\u003e\n\u003cli\u003eAxial Width: 3.02 mm\u003c\/li\u003e\n\u003cli\u003eRadial Height: 1.22 mm\u003c\/li\u003e\n\u003cli\u003eMaterial: PTFE (Polytetrafluoroethylene) - glass-filled plastic\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatible Models\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eCaterpillar Excavators:\u003c\/strong\u003e 330C, 330D L, 330D MH, 345B II, 345B II MH, 345C, 345C L, 345C MH, 345D, 345D L, 345D L VG, 349D, 349D L, 349E, 349E L, 349E L VG, 349F L, 374D L, 374F L\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCaterpillar Mobile Hydraulic Power Units:\u003c\/strong\u003e 345C L, 349E L HVG\u003c\/p\u003e\u003ch4\u003eReplaces Part Number(s):\u003c\/h4\u003e\u003cp\u003e1264004, 126-4004\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":42451143163987,"sku":"1264004","price":33.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0079\/4060\/3955\/files\/1264004_01.jpg?v=1758095287","url":"https:\/\/www.reliableaftermarketparts.com\/products\/1264004-ring-backup-fits-caterpillar-models","provider":"Reliable Aftermarket Parts, Inc®","version":"1.0","type":"link"}