Ordered mine from: Auto Parts at AutohausAZ - OEM Auto Parts - Discount Replacement Parts, Resources and Car Care Tips. Part #: 64116923204. Its a Behr OEM replacement. This is how it went down:

Parts = $70.14
Labor = 20 minutes to install, didn't have to remove the glove box.
A back rub from the wife after the cold A/C = Priceless!