Same Year, Different Truck: The 2004 F-150 Heritage, the 2007 Silverado Classic, and Buying the Right Used Parts
In some years Ford and GM sold two different generations of the same pickup at the same time, so a "2004 F-150" or "2007 Silverado" can mean two different trucks. Here's how that happened and how to get the right used parts the first time.
Read the guide: Same Year, Different Truck: The 2004 F-150 Heritage, the 2007 Silverado Classic, and Buying the Right Used Parts

