You are purchasing on a brand new Jeep Wrangler YJ and Cherokee XJ Axle Shaft Inner Seal. These always start to leak so replace yours and avoid costly repairs later on. You need to purchase Qty 2 to do the whole axle. Make sure you get this today.
MAKE and MODEL:
Jeep Wrangler (YJ) (1987-1989) with Model 35 Rear Axle