{"product_id":"1693104-ring-backup-fits-caterpillar-models","title":"1693104 Ring-Backup Fits Caterpillar Models","description":"\u003ch3\u003eOne New Aftermarket Replacement Backup Ring for Caterpillar (Cat) C7 \/ C9 Engine Fuel Injectors\u003c\/h3\u003e\u003cp\u003eThis backup ring (part number 1693104 \/ 169-3104) is used in the fuel injector assembly on Caterpillar C7 and C9 HEUI diesel engines. Backup rings are thin rings designed to prevent extrusion of O-rings and seals under pressure during fuel injector operation. With an outer diameter of 37.65mm (max free state diameter 38.3mm \/ 1.507 in), this is a steel backup ring engineered for precise fitment in the injector bore.\u003c\/p\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eOuter Diameter: 37.65 mm\u003c\/li\u003e\n\u003cli\u003eMax Free State Diameter: 38.3 mm (1.507 in)\u003c\/li\u003e\n\u003cli\u003eMaterial: Steel\u003c\/li\u003e\n\u003cli\u003eApplication: Fuel injector backup ring\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatible Models\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eCaterpillar C-Series Engines:\u003c\/strong\u003e C7, C9, C-9\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCaterpillar Equipment (C7\/C9-powered):\u003c\/strong\u003e Challenger MT735, MT745, MT755, MT765, MTC735, MTC745, MTC755, MTC765; Excavators 322C, 324D, 325C, 325D, 326D L, 328D LCR, 329D, 330C, 330D, 336D, 336D2, 340D, 340D2; Motor Graders 12H, 12K, 12M, 120H, 120K, 135H, 140G, 140K, 140M, 160K, 160M; Track-Type Tractors D5N, D6N, D6R, D6T, D7R; Wheel Loaders 938G II, 950G II, 950H, 962G II, 962H, 966F, 966F II; Track Loaders 953C, 963C, 973C, 973D; Asphalt Pavers AP-755, AP-1000D, AP-1055, AP-1055D, AP-1055F; Marine Engine 3126B, C7, C9; Industrial Engines 3126B, C7, C9; Generator Sets C9 GEN SET\u003c\/p\u003e\u003ch4\u003eReplaces Part Number(s):\u003c\/h4\u003e\u003cp\u003e1693104, 169-3104\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":42452135805011,"sku":"1693104","price":35.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0079\/4060\/3955\/files\/1693104_01.jpg?v=1757714266","url":"https:\/\/www.reliableaftermarketparts.ca\/products\/1693104-ring-backup-fits-caterpillar-models","provider":"Reliable Aftermarket Parts, Inc®","version":"1.0","type":"link"}