Product review (4 stars): This is the correct roller for my LG DLE2301. ...
This is the correct roller for my LG DLE2301.  However if you broke the plastic retaining clips while removing the old wheels you are out of luck.  These DO NOT come with the plastic clips as someone else had previously indicated.  I'm a mechanic so I used snap rings that I had laying around but if you don't have the special pliers for the snap rings you might be able to use some e-clips.  You should be able to find them at a hardware store.  I'm leaving 4 stars because I think that the clips should come with the rollers.