Those brake pads come up that they are for a 99-04 Mustang.
https://www.rockauto.com/en/parts/bosch,BE804H,brake+pad,1684
You have the factory 05-06/07classic pads.
https://www.rockauto.com/en/catalog/chevrolet,2005,silverado+1500,5.3l+v8,1431121,brake+&+wheel+hub,brake+pad,1684