Ford Engine ECU
In Ford vehicles, the engine ECU handles fuel and ignition management for TDCi diesel and gasoline engines. In Ford part numbers, the middle 12A650 code stands for the engine ECU (e.g. 9M51-12A650-BH). To choose the right product, the prefix and suffix of this number must match exactly.
Ford models use ECUs made by Siemens/Continental (SID family), Delphi, Visteon and Bosch. Within the same model, different ECUs may be used depending on engine size and Euro emission standard.
Models: Fiesta, Focus, Ka, Mondeo, S-Max, Transit, Transit Connect
ECU manufacturers: Magneti Marelli, Bosch, Siemens / Continental, Visteon, Delphi
Some of the part numbers in stock: 51868986, 0281017771, 7M51-12A650-BCB, 6G91-12A650-EP, 6U71-12A650-KB, 6C11-12A650-AF, 6C11-12A650-AN, 5S71-12A650-EB, GK21-12A650-CA, BV61-12A650-AXE
If the Ford engine ECU you are looking for is not listed, leave a part request and we will find it for you by part number. For all options, browse the Engine ECU / ECU / ECM category.
FAQ
Where is the part number on a Ford engine ECU?
The ECU label shows both the Ford number containing 12A650 and the manufacturer number (e.g. SID, DCU or Bosch 0281).
Will a 12A650 number with a different suffix fit?
Numbers with different suffixes may indicate different software or hardware. An exact match is recommended; if you are not sure, send a photo of the label.











