{"product_id":"exb10-0052-backup-seal","title":"9X3977 - SEAL-RING 5K4500 Fits Caterpillar (Fits CAT)","description":"\u003ch3\u003eOne New Aftermarket Replacement Backup Seal Ring Fits Caterpillar (Fits CAT) Wheel Loaders, Wheel Dozers, Underground Loaders, and Articulated Trucks\u003c\/h3\u003e\u003cp\u003eThis aftermarket replacement backup seal ring (9X3977) is used in hydraulic systems across a wide range of Fits Caterpillar (Fits CAT) construction equipment. Backup seal rings prevent O-ring extrusion under high-pressure hydraulic conditions, protecting the primary seal and extending the service life of cylinders and hydraulic assemblies. Replaces OEM Fits Caterpillar part numbers 9X3977 and 5K4500.\u003c\/p\u003e\u003ch4\u003eCompatible Models\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eFits Caterpillar Wheel Dozer:\u003c\/strong\u003e 824C, 824G, 824G II, 824H, 824K\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFits Caterpillar Wheel Loader:\u003c\/strong\u003e 980C, 980F, 980F II, 980G, 980G II, 980H, 980K, 980K HLG, 980M\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFits Caterpillar Underground Load Haul Dump:\u003c\/strong\u003e R1700 II, R1700G\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFits Caterpillar Underground Articulated Truck:\u003c\/strong\u003e AD30, AD40, AD45, AE40\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFits Caterpillar Articulated Truck:\u003c\/strong\u003e D35C, D40D\u003c\/p\u003e\u003ch4\u003eReplaces Part Number(s):\u003c\/h4\u003e\u003cp\u003e9X3977, 5K4500\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":31450726760531,"sku":"EXB10-0052","price":20.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0079\/4060\/3955\/files\/EXB10-0052_01.jpg?v=1757649894","url":"https:\/\/www.reliableaftermarketparts.co.uk\/products\/exb10-0052-backup-seal","provider":"Reliable Aftermarket Parts, Inc®","version":"1.0","type":"link"}