This BorgWarner (BERU) glow plug, part code PSG004, is engineered to provide optimal performance for your vehicle's diesel engine. It plays a crucial role in cold starts by preheating the combustion chamber, ensuring smooth ignition and reducing emissions during the initial warm-up phase. Crafted with high-quality materials, this glow plug offers durability and consistent operation, contributing to the overall health and efficiency of your engine. Trust BorgWarner (BERU) for dependable engine components. Proper functioning of glow plugs is essential for diesel engines, especially in colder climates. Replacing worn-out glow plugs with quality parts like the PSG004 can prevent starting issues and maintain optimal engine running.