Avoid diesel engine runaway in your 2007.5-2018 Dodge Ram 6.7L Diesel with Engine Shutdown components. An emergency shutdown system cuts the air supply to the intake in order to safely shut down your diesel engine. Industries such as mining, oil refinery, forestry, mobile welding, septic removal, and refueling require vehicles to have an emergency engine shutdown systems installed. Find Engine Shutdown products at XDP from brands such as Pacbrake and BD-Power.