Shop Engine Shutdown components for your 2020 Chevy/GMC 3.0L Duramax to avoid diesel engine runaway. 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. To safely shut your diesel down an emergency shutdown system cuts air intake supply to your engine. Shop XDP and get Engine Shutdown components from brands like BD-Power and Pacbrake.