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Opel Engine ECU
On Opel engine ECUs, the vehicle manufacturer's number is usually an eight-digit number starting with 55 (e.g. 55577619). The label also carries a Bosch (0281 / 0261) or Siemens (Simtec, 5WK) number.
On Insignia and Astra models, similar-looking ECUs come with different engine and software options. Before ordering, we recommend that both the Opel number and the manufacturer number match.
Models: Astra H, Corsa, Insignia, Vivaro
ECU manufacturers: Bosch, Siemens / Continental
Some of the part numbers in stock: 55352622, 0281017452, 55577674, 0281019867, 0281017453, 0281018497, 55571558
If the Opel 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
Which number should I check on an Opel ECU?
The Opel number starting with 55 and the Bosch/Siemens hardware number should be checked together.
Are there different ECUs for the Insignia 2.0 CDTI?
Yes. Different hardware and software numbers are used depending on engine output and model year.
