Cummins ISB Engine Control Module (ECM) – Part Number 3944125

🚚 Worldwide Shipping Available
✅ Professionally Remanufactured OEM Cummins ECM
🛠️ Plug & Play Installation

Restore your engine's performance with this professionally remanufactured Cummins ISB Engine Control Module (ECM). Designed for 6-cylinder Cummins ISB engines, this OEM replacement is rebuilt using OEM-quality components, thoroughly tested, and ready for a true Plug & Play installation.

Every ECM is professionally remanufactured, inspected, and quality-tested by experienced ACS technicians to ensure dependable performance, reliability, and long service life.

WHAT'S INCLUDED

• 1x Remanufactured Cummins ISB Engine Control Module (ECM)

• OEM software installed and tested

• Plug & Play installation

• Technical support from experienced technicians

COMPATIBILITY

Make: Cummins
Model: ISB
Engine: 6-Cylinder Cummins
OEM Part Number: 3944125

FEATURES

• OEM-quality remanufactured ECM

• Fully tested before shipping

• Direct OEM replacement

• Plug & Play installation

• Fast worldwide shipping available

• Built to meet or exceed original factory specifications

CORE EXCHANGE & WARRANTY

A repairable core is required with this purchase.

Lifetime Warranty is included only after a repairable core is returned. If a repairable core is not returned, the Lifetime Warranty does not apply.

If you have any questions regarding core eligibility, please contact us before ordering.

WHY CHOOSE ACS?

• ✔ OEM Remanufacturing Specialists

• ✔ Fully Tested Before Shipping

• ✔ Plug & Play Installation

• ✔ Fast Turnaround

• ✔ Worldwide Shipping

• ✔ Trusted by Repair Shops, Fleets, and Equipment Owners

• ✔ Professional Customer Support

Not sure if 3944125 is the correct ECM for your Cummins ISB engine? Send us your engine serial number (ESN) or current ECM part number, and our technicians will verify compatibility before you order.