Cummins 3347907 Electronic Fuel Control Actuator

The Cummins 3347907 is a 24V DC normally closed Electronic Fuel Control (EFC) actuator, also designated as ETR (Electronic Throttle Control), designed for Cummins QSK series heavy-duty diesel engines including QSK60, QSK45, QSK23, QSK95, and QSK38 models. It regulates fuel injection quantity on PT pump and common rail fuel systems to maintain precise engine speed governance and emissions compliance. This actuator interfaces with the engine control module (ECM) via a sealed connector and mounts directly on the fuel pump housing. It serves as a critical component for fuel management in mining haul trucks, hydraulic excavators, and power generation units. Cross-reference part numbers include Cummins 3330600, 3347905, 3330602, and equipment OEM numbers 6560-41-5100, 6560-51-1510, 6560-41-6100 (Komatsu/Hyundai), and 701992AT.