The Bosch Comprehensive Glow Plug Service Kit - 485944 is a kit designed for servicing a car's glow plug system. It includes various products to ensure proper functioning and maintenance of the glow plugs. The kit contains five different components, which are not specified by brand name. These components are specifically chosen to cater to the various needs of a glow plug system. The contents of the kit include a cleaning solution, a lubricant, a wire brush, a socket wrench, and a set of replacement glow plugs. The cleaning solution is used to remove any buildup or debris from the glow plugs, while the lubricant helps to ensure smooth functioning of the plugs. The wire brush is used to clean the threads of the glow plug ports, and the socket wrench is used for removing and installing the glow plugs. The set of replacement glow plugs is included for any necessary replacements. This comprehensive kit provides all the necessary tools and products for a thorough and efficient service of a car's glow plug system.