I bought three a few years ago, because the clips on my original one started to go.
For future reference, check the part catalogue and do a search via the part number. Suncoast makes finding the part easy, but if you have the PN you can buy most things 20% less than Suncoast at places like ECS Tuning or Sunset Porsche.
Edit:
For example, 30% less:
http://www.ecstuning.com/Search/SiteSearch/9865635510/ES1471135/