Name and Availability of Sliding Door Piece?

[gladis]

I'm talking about the piece of plastic that has "Sienna" molded into it, I have an XLE so it's painted Silver. I also need the piece that's immediately behind it, in the forward part of the wheel well.

Door is scuffed, but it kept its color so should polish out ok.

Long story short, an unmarked short merge, and a truck swiped into the side of me, no guesses on fault, though I was passing the truck, and was ahead of it when it hit me, the damage is minor enough it's probably not worth reporting to insurance (anyone have any opinions on that?)