The rubber seals around the outside edges of my headlights ('99) have completely rotted away, and the dealer is telling me that they can't be bought separately - gotta buy an entire headlight assembly. They musta learned that trick from GM. Anyway, I really really don't want to buy new headlights for the sake of a $20 rubber seal, so does anyone have any thoughts about where I might be able to buy the seals separately?