Features: Made from quality materials with stability and durability, it can quickly start and control the operation of the preheat plug to ensure the normal operation of the engine at low temperatures. Control the heating time and temperature of the preheat plug through current, providing the heat energy required for engine start, and ensuring the smooth start of the engine in a low temperature environment. Adopted advanced control technology, the preheat plug can be heated quickly, providing efficient and stable power output, while also take into account factors, reducing energy consumption. Suitable for professional auto repair technicians and repair shops, it can provide accurate warm plug modules functions to help them troubleshoot and repair. When the vehicle is difficult to start or cannot start in a low temperature environment, the use of the preheating plug modules can provide the necessary heating energy to help the engine start. Specifications: Material: Plastic Part Number: A6461532579 6461532579 Applicable Model: for W204 S204 C200CDI C220CDI E200CDI E220CDI Package Includes: 1x Car Glow Plug System note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.