3408501 ECU / ECM Controller – Programmed for Cummins ISM / ISX / QSX / M11 / QSM / CM Series
Part numbers: 3408501, 3408501NX, 3408501RX
Condition: Programmed ECU / ECM (ready for installation)
Overview
This replacement electronic control unit (ECU / ECM) is programmed for a wide range of Cummins engines and compatible heavy equipment. It provides precise electronic control of engine functions to help improve responsiveness, driving stability and fuel economy.
Key Benefits
- Improved acceleration and throttle response through precise engine control
- Better driving stability and engine management under load
- Potential fuel-economy improvements via optimized engine mapping
- Drop-in replacement part numbers for compatible engines and equipment
Compatible Cummins Engines (selected)
- 6B5.9
- ISM series (e.g., ISM CM570, ISM CM570/870, ISM CM875, ISM CM876)
- ISX series (e.g., ISX CM570, ISX CM870, ISX15 CM2250, ISX15 CM2250 SN)
- M11 series (M11 Celect Plus, M11 Mechanical)
- QSM11 CM570
- QSX15 CM570
Compatible Equipment / Machines
- Hyundai Wheel Loader: HL7803A, HL780-7A, HL780-9
- Hyundai Crawler Excavator: R450LC-7, R450LC-7A, R480LC-9, R500LC-7, R500LC-7A, R520LC-9, R800LC-7A
- John Deere: 15-600, QSX, QSX15-600, SPFH 7800, 7800, 7850, SPFH 7850
Applications / Use Cases
- Replacement ECU for engine rebuilds or ECU failures
- Fleet maintenance for heavy-duty trucks, loaders, and excavators using the listed Cummins engines
- Performance and efficiency restoration when original ECU is unavailable or damaged
Installation & Notes
- This unit is supplied programmed for the engines listed above.
- Professional installation and verification are recommended to ensure correct calibration and fitment.
- Verify compatibility with your engine serial number and equipment before installation.
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