Genuine OEM Audi Glow Plug, part number 059963319AC. This critical component is responsible for preheating the combustion chamber in diesel engines, ensuring reliable starting in cold conditions. It functions by rapidly heating up to ignite the fuel-air mixture. Weighing 0.054 kg and measuring 0.13 meters in length, this glow plug is engineered to precise specifications. Choosing a genuine OEM glow plug ensures correct thermal characteristics and electrical resistance, preventing misfires and extending engine life.