This Seal kit fits Miller Vulcan 819 and 821 Series Car Carriers Wheel-LiftUp/Down Cylinder part # 814011000.Fits pre 1998 Vulcan Car Carriers with serial numbers beginning in 5 or 8.Please remember that seal kits may fit different cylinders of the samediameter. See the chart below for more information. This is the replacement seal kit for cylinder part number 814011100