?Reference Part Number?: 4L3Z2K004BA ?Fitment?: Compatible with Ford F-150 2004-2008, F-150 Heritage 2004, Lincoln Mark LT 2006-2008 ?Function??This Brake Backing Plate provides structure for the other components in the braking system, while also helping to keep debris from entering ?Direct replacement? This Brake Dust Shield fits and functions like original equipment for a smooth installation ?Note?: Please make sure the product is suitable for your car before purchase. If you are not sure how to install the parts or lack the necessary experience, please seek professional help