This Bosch fuel injector can also have the Rochester casting number stamped on the metal side of the body it will be 5235210. If you have the Rochester fuel injectors the 5235210 will be on the edge of the plastic body and they will have a RP emblem on them for Rochester Products. Either fuel injector brands could have been installed from the factory into your vehicles engine when manufacturing took place. Both brand fuel injectors perform and function exactly the same.
