COMPATIBLE: This fuel injector cup tool works on 3126 engines with electronic fuel injection HEUI and for Caterpillar 3126B engines with electronic fuel injection HEUI. This will NOT work on engines with mechanical injection MEUI. FUNCTION: The tool used to remove and install the fuel injector sleeve cup at the engine. The tool is small enough to enable you to change even the hard to get at cups at the rear of the engine. PACKAGE INCLUDE: .
