with a special 2.25-in. length 4mm hex key (1/4" hex drive). Fits the wiring harness connection terminals on Cummins ISM, ISL, ISC and ISB engines. Most advantageous on the market for working on EGR...
manufacturers, have chosen to utilize SCR. This Includes Detroit Diesel (DD13, DD15, and DD16 models), Cummins (ISX line), PACCAR, and Volvo/Mack. SCR-equipped engines require the periodic...