3963994 Cummins ECM

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3963994 Cummins ECM’s for Dodge Ram Pickups

Module Experts carries a full line of Remanufactured Dodge Cummins ECM’s. Whether or not you are looking for a Remanufactured Dodge Cummins 3963994 ECM tomorrow or looking to send yours into be rebuilt we have your solution.

The 2003 – 2007 Dodge Ram 2500 & Ram 3500 series vehicles were equipped with the New 24 Valve Cummins engines which utilized the Bosch Common Rail Injected Fuel system. Like the Isuzu Duramax engines, this Common Rail system used a CP3 injection pump to pressurize a “Common Rail” the injectors are connected to. The brains of the Common Rail is the 2 Plug 3963994 ECM (Engine Control Module) or FCM (Fuel Injection Module). The 3963994 ECM mounts to the side of the block hence the terminology block mounted ECM.

The 2003-2007 Dodge Ram 2500 & Dodge Ram 3500 series Trucks utilized the 2 plug Cummins ECM’s (Engine Control Module) or FCM (Fuel Injection Module)

Plug And Play Programing of the Cummins ECM P/N # 3963994

Module Experts is the ONLY manufacturer that programs these to your vehicle so that all your mechanic needs to do is install. To Program the Dodge Cummins ECM to your vehicle we will need your (Vehicle Information Number) VIN # and the Reference # from the valve cover by the oil filler cap. 

Speak with one of Our Cummins ECM Experts today to figure out which service can best help you.

 Dodge Cummins ECM Part #’s


Dodge Cummins Reference #’s from Valve Cover

3963994 – 53040317AD, 53040317AE, 53040529AA, 53040201AG, 53040202AF

These ECM’s come with a 1 Year Parts Replacement Warranty

We have a Tech Assist program so if you ever run into any issues you can contact us and speak with one of our 2 ASE Certified Master Techs.

Speak with one of Our Cummins ECM Experts today to figure out which service can best help you

Additional information

Weight 8 lbs
Dimensions 12 × 12 × 5 in





Ram 2500, Ram 3500

Engine Size


Transmission Type

Automatic, Manual