1998 Ram 5.9L Diesel Engine Control Module (ECM) – P56046355
Programmed to Your VIN | Plug-and-Play Replacement
Upgrade or replace your ECM with a direct-fit unit for 1998 Ram 5.9L diesel trucks. This ECM arrives pre-programmed to your VIN for a faster, simpler installation and reliable operation.
Key Features
- Direct fit for 1998 Dodge/Ram 5.9L diesel trucks
- Pre-programmed to your VIN – ready for installation after you provide VIN info
- Plug-and-play design for straightforward replacement
- OEM-equivalent part numbers for proper compatibility
Manufacturer / Compatible Part Numbers
56046355, 56046355AA, 56046355AB, 56046355AC, 56046355AD, 56046355AE
P56046355, P56046355AA, P56046355AB, P56046355AC, P56046355AD, P56046355AE
Important Notes
- Please provide your VIN after purchase so we can program the ECM specifically for your vehicle.
- Verify vehicle year, engine size (5.9L diesel), and OEM part number compatibility before ordering.
- Professional installation is recommended for proper fitment and diagnostics.
If you need assistance confirming compatibility or arranging VIN programming, contact us and we’ll help.


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