The Engine Wiring Harness (Cummins part number 5319427) is a complete electrical harness assembly that connects and routes all major sensors, actuators, power feeds, and communication lines between the engine control unit (ECU) and the various electrical components on Cummins QSB7 and QSB6 diesel engines.
Engine Harness 5319427, 531-9427 For Cummins QSB7, QSB6
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