Cummins ISB ECM 3954430 | Remanufactured Engine Control Module | Programmed Plug & Play

🚚 Worldwide Shipping Available
👍 Lifetime Warranty Included
💰 $500 Core Refund Available with Return of Rebuildable Core
✅ 100% Tested & Programmed OEM Replacement

Restore the performance and reliability of your Cummins ISB engine with this professionally remanufactured Engine Control Module (ECM), OEM Part Number 3954430. Each module is rebuilt to OEM standards, thoroughly tested, and programmed specifically for your application before shipment.

Every ECM undergoes extensive diagnostic and quality-control testing by our experienced technicians to ensure dependable performance, proper communication, and OEM-level reliability.

Vehicle & Module Specifications

Make: Cummins
Model: ISB
Part Number: 3954430
Part Type: Engine Control Module (ECM)
Engine Size: 6-Cylinder Cummins
Condition: Remanufactured
Warranty: Lifetime Warranty
Core Exchange Required: Yes – $500 Core Refund Available with Return of Rebuildable Core
Installation: Plug & Play (Programmed Prior to Shipment)

What's Included

✔ 1x Remanufactured Cummins ISB ECM
✔ Programming & Calibration Included
✔ Latest OEM Software Updates Installed When Applicable
✔ Fully Tested and Ready for Installation

Why Buy From Us?

✔ Professionally Remanufactured In-House
✔ Programmed Specifically For Your Engine Application
✔ 100% Bench Tested Before Shipment
✔ OEM-Level Performance and Reliability
✔ Fast Worldwide Shipping
✔ Expert Technical Support Available
✔ Lifetime Warranty Included
✔ $500 Core Refund Available

Common Symptoms of a Failed ECM

• Engine No-Start Condition

• Hard Starting or Intermittent Starting

• Check Engine Light Illuminated

• Loss of Engine Power

• Poor Fuel Economy

• Injector Driver Faults

• Communication Error Codes

• Sensor Circuit Faults

• Engine Shutdown or Stalling

• Unresponsive Engine Controls

Programming Information Required

To ensure proper programming and calibration, please provide the following information during checkout:

• Vehicle Identification Number (VIN)

• Engine Serial Number (ESN)

Providing this information allows us to properly configure your ECM for a true Plug & Play installation.

If you cannot provide this information during checkout, please contact us after purchase:

📧 sales@autocomputerusa.com
📞 (305) 456-9505
📱 Text / WhatsApp: (786) 269-4099

Core Return Program

💰 Receive a $500 Core Refund

After installation, simply return your original rebuildable ECM core to receive a $500 refund. The core must be returned within the required timeframe and be in rebuildable condition.

Core Requirements

✔ Original ECM must be returned
✔ Housing must be rebuildable
✔ No excessive physical damage, fire damage, or missing major components
✔ Core must match the application purchased

Please contact us before ordering if you are unsure whether your core qualifies.

Shipping

All ECMs are programmed, tested, and shipped within 1–3 business days after receiving the required vehicle and engine information. We offer fast and secure worldwide shipping.

Returns

Returns are accepted within 14 days of delivery for unused items in original condition. Refunds or exchanges will be processed promptly after inspection. Restocking fees may apply.

Warranty

This module includes a Lifetime Warranty against defects in materials and workmanship. Warranty coverage begins upon delivery and remains valid for the original purchaser. Professional installation is recommended.

Compatible Part Number

• 3954430

Compatible Applications

• Cummins ISB Engines

• 6-Cylinder Cummins Diesel Applications

• Medium-Duty and Heavy-Duty Truck Applications

• Commercial Vehicle and Industrial Equipment Applications

Please verify your original part number before ordering. Contact us if you need assistance confirming compatibility.