I recently replaced mine (maybe 6 months ago), so was still able to find one from one of those dealerships that sells parts online (OEMmoparparts.com seems to ring a bell). It was not cheap, as in more than $75 with shipping. If your foam is all that's broken, just glue it back on with some spray fabric contact cement. That's what I did with the passenger side. I replaced driver side though because as Nautamaran said, the plastic is what's critical. The plastic that holds the plastic/foam piece to the metal was all broken at the screw heads. Picture clearing up how it works. Screws hold plastic to metal and then plastic slots are what the gray pillar cover clips in to.