The Bosch Glow Plug Kit - 140686 is a comprehensive set of products designed to service a car's glow plug system. Glow plugs are essential components of a diesel engine, providing the necessary heat to ignite the fuel-air mixture and start the engine. This kit includes various types of products to ensure the proper functioning of the glow plug system.

The contents of the kit may include glow plugs, which are small heating elements that are installed in the engine's combustion chamber. These plugs are responsible for heating the air in the chamber to facilitate ignition. The kit may also include a glow plug relay, which is an electronic component that controls the flow of electricity to the glow plugs.

Additionally, the kit may contain a glow plug controller, which is responsible for monitoring the temperature of the glow plugs and regulating their operation. This component is essential for ensuring that the glow plugs do not overheat and malfunction.

Other components that may be included in the kit are wiring harnesses, connectors, and other small parts necessary for the installation and proper functioning of the glow plug system. These parts may vary depending on the specific make and model of the car.

Overall, the Bosch Glow Plug Kit - 140686 is a comprehensive set of products that provides all the necessary components for maintaining and repairing a car's glow plug system. It is an essential kit for diesel engine owners, ensuring that their vehicles start smoothly and run efficiently.