I have this same issue now and just ordered the two parts (left and right side.) (03 SR5 V8 2WD) I am curious how you reinstalled. Do we need a tape or an adhesive spray? Or did they just "press in" tight with a good hold? Thanks!
This has begun happening to me ('03 SR5 V8) and even taking it into NTB to align didn't fully solve it. I chalked it up to an old car and I just need to live with the very slight off-alignment.