May I ask why you're replacing your tail light? Did the dealer tell you its bad and did they mention what exactly is the problem?

I'm asking because more than a few owners have experienced corroded connectors. The fix is as simple as cleaning the connectors in the tail light.

EDIT: Funny thing is, just recently, my passenger tail light has a bulb that intermittently won't light. When I have time I need to check the connectors.