APPLICATION -- Replaces CUMMINS Tool Number 3164001. Works on Cummins ISX, Cummins Signature Engines. 3164001 Fuel Injector Leak Test Check Kit Alt. for Cummins ISX/Signature Engine. 7040 Piston Ring Compressor Kit for CAT Cummins ISX 3400/C-15 5.4" Bore 5299448.