Introducing the AcDelco 65G Glow Plug, manufactured specifically for the L5P Duramax 2019-2022. If you're looking for an aftermarket replacement to maintain ignition in all cylinders and optimize throttle response, this glow plug is an ideal choice. With its ability to deliver the heat your diesel engine needs during cold starts, it will keep your vehicle running smoothly throughout even the harshest winter conditions. It's self-regulating design automatically adjusts any inconsistencies in power output, ensuring reliable performance every time. So look no further than the AcDelco 65G Glow Plug for a dependable and efficient aftermarket solution that won't let you down.