Shop Engine Shutdown components for your 2017-2019 Chevy/GMC 6.6L L5P Duramax to avoid diesel engine runaway. Some industries including mining, oil refinery, forestry, mobile welding, septic removal, and refueling require vehicles to have an emergency engine shutdown in place. Emergency shutdown systems are designed to cut air intake supply to the engine for a quick and safe shutdown. Get the Engine Shutdown products you need at XDP from brands like Pacbrake and BD-Power.