Get Engine Shutdown components to help protect your 1999-2003 Ford 7.3L Powerstroke from diesel engine runaway. An emergency shutdown system cuts the air supply to the intake in order to safely shut down your diesel engine. Many industries like mining, oil refinery, forestry, mobile welding, septic removal and refueling require diesel-powered vehicles to have an emergency engine shutdown in place. Shop XDP and get Engine Shutdown components from brands like BD-Power and Pacbrake.