3957300 | Genuine Cummins® Engine Controller Module (ECM) CM848A for Dodge Ram 2500 and 3500

SKU: 3957300 MPN: 3957300

Power delivery stays precise with a Genuine Cummins Engine Controller Module (ECM) built for accurate fuel and timing management. Part number: 3957300. Helping maintain consistent diesel performance and reliable engine operation.

$1,179.00
No Core Charge
3 in stock

Pickup available at Warehouse - Howard st 7092 ste F

Usually ready in 24 hours

Need it fast? We offer overnight shipping

Contact us to check if overnight next-day delivery is available for your order - PN: 3957300

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  • Location icon, warehouse pickup point.
    Pickup available. Usually ready in 24 hours

Product Description

Product Name Engine Controller Module Product Name Engine Controller Module
Model CM848A Model CM848A
Brand Cummins® Brand Cummins®
Condition Remanufactured Condition Remanufactured
Part Number 3957300 Part Number 3957300
Vehicle Compatibility
Dodge Ram 2500 Dodge Ram 2500
Dodge Ram 3500 Dodge Ram 3500
Years 2004 Years 2004
Engine Options
Engine 5.9L L6 Diesel Engine 5.9L L6 Diesel
Body & Trim
Body & Trim ST, SLT Body & Trim ST, SLT

Useful Information

Description and Purpose:

The 5.9L L6 Diesel engine in your 2004 Dodge Ram 2500 or 3500 relies on this remanufactured Genuine Cummins Engine Controller Module (ECM), which is indexed under Part number: 3957300. This unit acts as the primary command center for the CM848A specification, processing high-speed data to manage fuel injection, timing, and internal engine diagnostics.

Why Replacement is Important:

A damaged ECM causes sudden stalling, communication loss with scanners, and no-start conditions. Swapping in this module is vital to re-establish the electronic link between your sensors and the fuel system.

Impact on Vehicle Performance:

Fitting this controller restores factory-accurate throttle response and fuel economy. It ensures the 5.9L engine maintains the steady power and idle stability required for heavy-duty hauling and long-term reliability.

Manufacturer Information:

Cummins® delivers dependable engine components engineered for reliable performance, precise integration, and long-term durability.

Tags & Category: Engine Control Module, ECM Module, Engine Controller Unit, Powertrain Control Module, Diesel Engine Control Module, Cummins ECM CM848A, 5.9L Cummins Diesel ECM, Dodge Ram 2500 ECM, Dodge Ram 3500 ECM, Engine Computer Module, Electrical System

Warranty:

Parts Finder Q offers a 365-days warranty for all types of parts in any condition. The warranty applies exclusively to purchases made directly through our website (partsfinderq.com). Please note that purchases made through third-party platforms like eBay or Amazon are not covered by this warranty.

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  • Icon Truck, Fast Delivery
    Free shipping over $199 Place an order today and receive it on Mar 6
  • Clock Icon
    Orders placed before 7-PM EST will ship same business day
  • Location icon, warehouse pickup point.
    Pickup available usually ready in 24 hours
  • Need it fast? We offer overnight shipping

    Contact us to check if overnight next-day delivery is available for your order - PN: 3957300