One new replacement john deere excavator arm. Cylinder seal kit that fit the following machines. Your seal kit may look slightly different. Rod: 80 mm, bore: 110 mm. Sale depends on stock at the time. We carry parts for engines, transmissions, front & rear axles, hitch & drawbars, undercarriages, final drives, seats, bearings, cups, cones, seals, discs, couplers, gears, brakes, pressure plates, pilot & throw out bearings, ring & pinions, gaskets, decals and more for most high wear items. We also carry replacement parts for the boom cylinder (seal kits, tubes, glands, pistons, rods). We take pride in our feedback rating.The item “AT177556 John Deere Excavator Arm Cylinder Seal Kit 490E” is in sale since Tuesday, November 29, 2011. This item is in the category “Business & Industrial\Heavy Equipment Parts & Accs\Construction Equip Parts”. The seller is “reliableaftermarketpartsinc” and is located in Williamston, Michigan. This item can be shipped worldwide.