Used Semi Truck ECMs
Browse used engine control modules with a focus on hardware identification and application. A matching connector does not establish software compatibility. Have your technician confirm the part number, configuration and any setup required before ordering or connecting a replacement module.
Your next replacement starts here.
Open filtered catalogSample inventory. A matching make or model is a starting point, not a confirmed fit.
BEFORE YOU ORDER
Make the right match.
- Send a readable photo of the complete ECM label.
- Ask your installer about configuration and programming requirements.
- Request the written policy for electronic components before purchase.
Is a used ECM ready to plug in?
Do not assume it is. Hardware, software and vehicle configuration requirements must be assessed by a qualified technician for the specific application.
Which ECM number should I search?
Use the full number from the module label and send the photo with your engine serial number. Include all additional identifiers rather than guessing which one matters.
Do ECMs follow the same return terms as mechanical parts?
Electronic-component terms can differ. Obtain the applicable written conditions, including any exchange or installation restrictions, before ordering.
