Originally Posted by air8

You want the 4454 for the 2.0 vehicles. Look at the non-oval flanged insert for the 4430 and you'll notice the lack of the aluminum stops to prevent the insert from spinning in the diff housing. Look up both parts and look at enlarged pictures. The 4454 has the stops to prevent spinning for both inserts instead of just the right side like on the 4430 inserts.