Genuine OEM Jaguar Glow Plug, part number JDE3926. This essential engine component heats the combustion chamber, significantly aiding in cold engine starting, particularly in diesel engines. It is installed directly into the cylinder head. Weighing approximately 0.35 kg, this glow plug is engineered for precise temperature control and rapid heating. Choosing a genuine OEM glow plug ensures optimal engine starting performance and long-term reliability, preventing misfires and excessive cranking.