Description
Product Overview
Part Name: Diesel Engine Electronic Control Unit (ECU)
Part Number: 3944125 / 3990517
Vehicle Compatibility: Cummins diesel engines installed in heavy-duty truck models such as Freightliner Century, Kenworth T800, Peterbilt 379/389, Volvo VNL, and other Cummins-powered commercial trucks (1998–2010).
Configuration: High-quality aftermarket OEM-style ECU module engineered for reliable performance in Cummins electronic diesel engine management systems.
Function: Manages key engine operations including fuel injection control, combustion timing, emissions monitoring, and overall engine efficiency for dependable truck performance.
Technical Specifications
Type: Heavy-Duty Truck Engine Electronic Control Unit (ECU Module)
Material: Premium electronic circuitry with rugged protective housing for harsh diesel environments
Application: Fits Cummins electronic diesel engine platforms using ECU part numbers 3944125 and 3990517 (1998–2010)
Cross-Reference: Equivalent to Cummins ECU 3944125 / 3990517, compatible with related ECM and engine control assemblies
Installation: Direct-fit aftermarket replacement; professional programming and calibration may be required after installation
Service Interval: Replace when ECU faults cause engine warning lights, reduced power mode, poor fuel economy, or control system failures
Delivery & Availability
Stock Options: High-quality aftermarket Cummins ECU modules available
Delivery Time: 3–7 days internationally
Payment & Security
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