When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
General Car Related Discussion.To discuss anything that is related to cars and automotive technology that doesnt naturally fit into another forum catagory.
You can see from the top mounting bolt. On a 4x4 diff (7") it's one long bolt going through from one side to the other. On a 7.5" diff (2wd) it's two short bolts that bolt into the diff. So in that case the holes in the diff will have threads for the bolts.
You can see from the top mounting bolt. On a 4x4 diff (7") it's one long bolt going through from one side to the other. On a 7.5" diff (2wd) it's two short bolts that bolt into the diff. So in that case the holes in the diff will have threads for the bolts.
On the 7" version, that doesn't tell you if its a a 4x4 LSD or not. It could be a standard open diff for any of the other cooking Sierras.