21045151
Engine Control Unit (ECU)
Mack

The engine control unit serves as the central brain of the vehicle's electronic management system. It monitors and controls critical engine functions such as fuel injection, ignition timing, and emission controls, ensuring optimal performance and fuel efficiency. A properly functioning ECU is vital for maintaining smooth engine operation, reducing emissions, and preventing costly repairs. It processes data from various sensors and makes real-time adjustments to keep the engine running at peak efficiency. Upgrading or replacing the ECU can resolve performance issues, improve responsiveness, and enhance overall vehicle reliability. Source One Parts Center supplies this essential component to help fleet operators and technicians maintain the highest standards of engine management and vehicle performance.