{"product_id":"re21394-boom-cylinder-fits-john-deere-690-690a-690b-690c-693b-693c","title":"RE21394 Boom Cylinder Fits John Deere  690, 690A, 690B, 690C, 693B, 693C","description":"\u003ch3\u003eOne New Aftermarket Replacement Boom Cylinder for John Deere (JD) 690 and 693 Series Excavators\u003c\/h3\u003e\u003cp\u003eThis aftermarket replacement hydraulic boom cylinder replaces OEM part number RE21394 and is designed for the boom lift circuit on John Deere 690 and 693 series excavators. The boom cylinder drives the main lifting motion of the boom arm, providing the hydraulic force needed for digging, lifting, and trenching operations.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eImportant Serial Number Note (John Deere 690C):\u003c\/strong\u003e RE21394 applies to 690C units with serial number 509185 and up. Units with serial numbers up to 509184 use cylinder RE18949. Verify your serial number before ordering.\u003c\/p\u003e\u003ch4\u003eCompatible Models\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eJohn Deere Excavators:\u003c\/strong\u003e 690, 690A, 690B, 690C (S\/N 509185 and up), 690CR\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eJohn Deere 693 Series Feller Bunchers:\u003c\/strong\u003e 693B, 693C\u003c\/p\u003e\u003ch4\u003eReplaces Part Number(s):\u003c\/h4\u003e\u003cp\u003eRE21394\u003c\/p\u003e\u003ch4\u003eAftermarket Interchange Numbers\u003c\/h4\u003e\u003cp\u003eAT37003, RE18949 (predecessor cylinder used on 690C S\/N up to 509184 and 690CR up to S\/N 509184)\u003c\/p\u003e\u003cp\u003eNew aftermarket replacement part - not remanufactured, not used.\u003c\/p\u003e","brand":"Reliable Aftermarket Parts, Inc® -LTL_FREIGHT","offers":[{"title":"Default Title","offer_id":42011621752915,"sku":"RE21394-PVE","price":3795.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0079\/4060\/3955\/files\/RE21394_01.jpg?v=1757640988","url":"https:\/\/www.reliableaftermarketparts.com\/products\/re21394-boom-cylinder-fits-john-deere-690-690a-690b-690c-693b-693c","provider":"Reliable Aftermarket Parts, Inc®","version":"1.0","type":"link"}