this is the injector pump,,,,,,, i am only cleaning it from out side after blocking all the ports ,,,,,,it does need a full rebuilt but unfortunately at present i dont see myself capable enough to do that ,,,,,,i am studying it and soon will make a separate thread to break all the myths of this injector pump ,,,,, no doubt this single piece of machine is the most complicated part in entire engine and no way i can gave this in hands of any illiterate ustad at so called diesel lab ,,,,,,,,