Descriptions: 1.) For removing adapted tight common rail injectors without having to disassemble cylinder head. 2.) Use for Mercedes-Benz CDI engines 611.612.613 etc. 3.) Injection puller with impact hammer, injection nozzles that do not fit very tightly can be pulled out without needing to take them apart or remove the cylinder block. 4.)If this proves necessary the injector solenoid is removed and adaptor screw onto thread of injector. + Please refer to the listing pictures for an accurate description of the parts included in the kit. Brand Auto_EngineParts Warranty 1 Year Manufacturer Part Number AE10503NG422P UPC Does not apply Type Engine Tool .