If your classic Ford truck has some wear and tear National Parts Depot has the quality emission systems, pumps, pipes, and EGR engine parts you need. Whether you need to replace your 1980-96 Ford F-150 EGR valve or are looking for an air system NPD a great selection of quality parts. Get your classic Ford trucks engine running like new as you roll down the road. These emission parts are the best option on the market to restore your Ford truck.