Yes, Idrink, it might be a bit of overkill ... but as you point out the cost is low and the cost of a replacement unit would be several hundred ... maybe a thousand or more.
Diffys are often ignored by most owners ... and I bet the average unit doesn't see fresh oil until well after 50,000 mile mark, with many units approaching or exceeding 100,000 miles before their first (and only?) service.
Diffys are often ignored by most owners ... and I bet the average unit doesn't see fresh oil until well after 50,000 mile mark, with many units approaching or exceeding 100,000 miles before their first (and only?) service.