Front axle tube seals Jeep Wrangler YJ without Vacuum Disconnect.
Pair of front axle tube seals , made in the USA, for Jeep Wrangler YJ, specifically for Dana 30 and Dana 44 axles, available in anodized red.
The vacuum disconnect is a pneumatically actuated (i.e., vacuum-operated) disconnect mechanism mounted on the front axle of some Jeeps. It is used to disconnect one of the front axle shafts when 4x4 is not engaged.
