There is a difference when it comes to drivetrain components.
07-18 Wrangler JK, 2 & 4 Door;Dana super 44;24 splines;Rear end;10 holes;3.35 inch bolt circle diameter;1.77 inch pilot diameter ;California Residents: WARNING Dana Spicer 1310 Series Companion Flange - 2004431 Its all done to ensure the products you purchase for your vehicle meet the same standards we deliver to OE manufacturers around the world. Products backed by Dana start with precision engineering, and the parts they manufacture are put through rigorous testing.