2004 Dodge Ram 2500/3500 5.9L Cummins Engine Computer
Remanufactured and programmed to your VIN — plug and play. Works with your existing keys: no dealer, no locksmith.

2004 Dodge Ram 2500/3500 5.9L Cummins Engine Computer

3957300
VIN ProgrammedPlug & Play
This unit fits
2004Dodge Ram 2500/3500 · 5.9L Cummins
TransManual
$999.95In stock
Find it on your registration, insurance card, or the driver-side dash.We check your VIN against this part before we program it.
1-year warranty (your original ECM must come back within 30 days) · 30-day returns · Free shipping, ships same or next business day

Remanufactured Cummins engine computer (ECM) for the 2004 Dodge Ram 2500/3500 5.9L Cummins Diesel. The immobilizer is handled before it ships, so there is no dealer visit and no locksmith.

Match the Cummins part number on the label of your ECM — it may start with a P, like P3957300. We program the calibration to your VIN before it ships.