"Newbie" question here ...... still waiting to take delivery of my 2021 Gladiator; I am able to see my window sticker and build sheet online. The build sheet shows "Dana M210 front axle" and "Dana M220 rear axle". The window sticker shows "Heady-Duty Dana 44" for both the front and rear axles...
Trend seems to indicate a fairly early (manufacturing issue ?) leaking rear axle seal issue, often RR; I have my 2021 Jeep Gladiator on factory order - I am starting to be concerned about this issue. For what it is worth, my 2015 Nissan Frontier Pro4X had a leaking seal on the RR (@120,000...