{"product_id":"hyh10-0073-b-u-ring","title":"HYH10-0073 - B-U-RING","description":"\u003ch3\u003eOne New Aftermarket Replacement Hydraulic Backup Ring Fits Caterpillar (Fits CAT) Construction Equipment\u003c\/h3\u003e\u003cp\u003eThis aftermarket replacement backup ring (B-U ring) is a precision-fit hydraulic seal component used to support and back up primary O-rings in hydraulic cylinder assemblies. It prevents O-ring extrusion under high pressure, helping to maintain a leak-free hydraulic system on Fits Caterpillar (Fits CAT) equipment.\u003c\/p\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eInner Diameter: 2.50 in.\u003c\/li\u003e\n\u003cli\u003eOuter Diameter: 2.70 in.\u003c\/li\u003e\n\u003cli\u003ePart Type: Backup Ring \/ B-U Ring\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatible Models\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eFits Caterpillar:\u003c\/strong\u003e 183\u003c\/p\u003e\u003ch4\u003eReplaces Part Number(s):\u003c\/h4\u003e\u003cp\u003e4J9225, 4J-9225, 2J7538, 2J-7538\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":42093532381267,"sku":"HYH10-0073","price":18.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0079\/4060\/3955\/files\/RAP_ComingSoon_Tractor_3ce1c9c2-8cce-443b-ad15-4e2a13420329.jpg?v=1757812061","url":"https:\/\/www.reliableaftermarketparts.co.uk\/products\/hyh10-0073-b-u-ring","provider":"Reliable Aftermarket Parts, Inc®","version":"1.0","type":"link"}