FOR CLARIFICATION AND EMPHASIS---THIS PROBLEM WAS ON AN 05 WITH 53000 MILES DRIVEN DAILEY....MY SILL CLEANED UP WELL WITHOUT ANY SEVERE DAMAGE....THE RUSTED PART SEEMS TO HAVE BEEN

ANODIZED BY GM--NOT MOISTER RESISTANT....MY STAINLESS STEEL REPLACEMENT PART WORKED WELL AND IS PRIMARILY A STIFFINER FOR THE UPPER BUMPER COVER....SHOULD THERE BE NEED I CAN HAVE SOME OF THESE PRODUCED - I WAS OBVIOUSLY SHOCKED AND WANTED TO SPREAD THE WORD....CHUCK