Engine ECU removed from a Vauxhall Astra H MK5 In good working used condition, the Bosch part number for this unit is 55556829 ZH, This will need to match the number on the back of the ECU you are replacing. Please not this ecu has some light damage on the back and the fixing mount is cracked. The car this was removed from had no running issues. This ECU is in a divorced/reset state. You will need to have a qualified technician with Bosch Tech 2 software removed your faulty unit and re install the new ECU in order for it to work. They MUST be programmed to the car correctly with Tech 2 otherwise this will not work. Please do not try and install yourself. To fit all Vauxhall Astra H MK5 models 2004-2009 with a Z17DTH engine fitted and the correct part numbers as mentioned above. Price includes delivery vai Royal Mail 24 tracked