Used Fiat engine control units
Used, working engine control units for Fiat vehicles, including the Ducato, 500, Panda and Doblo. Choose the Magneti Marelli, Bosch or Continental unit by the numbers on its label – the car model alone is not enough.
List of products
Engine control unit Citroën / Peugeot / Fiat Continental 9679182280 S180129101G
Engine control unit Fiat Doblo II 1.3 Multijet Magneti Marelli 51880748 MJD6F3D6
How to choose an engine ECU for your Fiat
Choosing the right unit comes down to the numbers on the ECU label. The Fiat part number usually has eight digits, e.g. 55253528 or 51793113. Next to it, the label shows the electronics manufacturer’s number, e.g. Bosch 0281014211, or the ECU type, e.g. MJD8F3BD or IAW4AFSS. The Fiat number must match and, where given, the manufacturer’s number too. The same ECU type, e.g. MJD8F3X1, comes with different Fiat numbers, so the type alone is not enough to choose a unit.
Models and example numbers
- Fiat Ducato – including 55253528 (2.3, Magneti Marelli MJD8F3BD), 51822926 (3.0 JTD, Bosch) and 9691760980 (2.2, Continental SID208 – also Citroën Jumper and Peugeot Boxer)
- Fiat 500 – 55267355 (1.3 Multijet, Magneti Marelli MJD8F3X1)
- Fiat Panda – 51793113 (1.1, Magneti Marelli IAW4AFSS) and 46524182 (0.9, Magneti Marelli IAW16FEL)
- Fiat Doblo – 51880748 (1.3 Multijet, Magneti Marelli MJD6F3D6)
ECU manufacturers
Most ECUs in this category are made by Magneti Marelli – the IAW family (e.g. in the Panda 1.1 and 0.9) and the MJD family (including in 1.3 Multijet engines and the Ducato 2.3). For the Ducato 3.0 JTD we offer Bosch units numbered 0281…, and for the Ducato 2.2, Continental SID208 modules with numbers in the 96… format, also used in the Citroën Jumper and Peugeot Boxer.
Sales versions
Most ECUs are available locked or unlocked. Some are offered as Virgin plug & play or IMMO OFF, and some Continental and Bosch units as refurbished plug & play versions. The available versions are listed with each product, and you can read about them on our engine ECU options page.
When replacing the ECU makes sense
Signs of a faulty unit can include no start despite good power and fuel supply, no communication with the diagnostic tool, or limp mode with no sensor fault codes. A damaged wiring loom, poor earths or a weak battery cause similar symptoms, however, so check those first.
Questions and answers
| Will an ECU of the same type but with a different Fiat number fit? |
|---|
| Not always – compatibility depends on the Fiat number, not on the ECU type alone. Send us a photo of the label and we will check the fit. |
| Will the ECU work straight after fitting? |
| The locked version needs programming. How the other versions are prepared is described with each product and agreed before purchase. |
| What should I send before buying? |
| A photo of the label of your current ECU, or all the numbers on it. |
| What warranty do the parts come with? |
| The warranty period is shown in the product features. |
Any questions? Write to us.