This BorgWarner (BERU) glow plug, part code GN041, is engineered to provide optimal performance for your vehicle's diesel engine. It plays a crucial role in the combustion process, especially during cold starts, by preheating the combustion chamber to facilitate ignition. The GN041 is built with high-quality materials to withstand the demanding environment within the engine. Its robust construction ensures durability and consistent operation, contributing to smoother engine startup and reduced emissions in low temperatures. Trust BorgWarner (BERU) for dependable engine components. Proper functioning of glow plugs is essential for diesel engine health. A failing glow plug can lead to hard starting, rough idling, and increased smoke. Replacing worn glow plugs with quality parts like the GN041 helps maintain your engine's efficiency and reliability.