{"product_id":"1850348-ring-back-up-fits-caterpillar-models","title":"1850348 Ring-Back Up Fits Caterpillar Models","description":"\u003ch3\u003eOne New Aftermarket Replacement Backup Ring for Caterpillar (Cat) Excavators\u003c\/h3\u003e\u003cp\u003eThis PTFE backup ring (part number 1850348) is a hydraulic sealing component used in the hydraulic pump actuator assemblies of Caterpillar C-Series and related excavators. Backup rings support primary seals under pressure, preventing extrusion and extending seal life in high-pressure hydraulic circuits.\u003c\/p\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eInside Diameter: 38 mm (1.5 in)\u003c\/li\u003e\n\u003cli\u003eCross Section Height: 3 mm\u003c\/li\u003e\n\u003cli\u003eCross Section Width: 1.2 mm\u003c\/li\u003e\n\u003cli\u003eMaterial: PTFE (Polytetrafluoroethylene)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatible Models\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eCaterpillar Excavators:\u003c\/strong\u003e 318C, 319C, 320C, 320C FM, 322C, 322C FM, 325C, 325C L\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCaterpillar Wheeled Excavators:\u003c\/strong\u003e M325B\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCaterpillar Engine Models:\u003c\/strong\u003e 3066, 3116, 3126, 3126B\u003c\/p\u003e\u003ch4\u003eReplaces Part Number(s):\u003c\/h4\u003e\u003cp\u003e1850348\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":42451633569875,"sku":"1850348","price":30.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0079\/4060\/3955\/files\/1850348_01.jpg?v=1758093377","url":"https:\/\/www.reliableaftermarketparts.com\/products\/1850348-ring-back-up-fits-caterpillar-models","provider":"Reliable Aftermarket Parts, Inc®","version":"1.0","type":"link"}