body

Got in my 04 Park Avenue to head off to work and heard something scraping underneath. Brought it back home, parked it and took the family van into work instead (terraza of course). Anyway it looks serious but I honestly haven't a clue what exactly "IT" is and I am at work thinking I'm gonna be...

Hi, Whats the name and part # of the REAR EXTERNAL BOTTOM very large plastic part that goes all the way from wheels to rear external lights, and on the back covers whole car width from left to right on the very rear. Its right under the rear external lights and there's letters "B U I C K" in...