Engine ECU removed from a 2005 Vauxhall Astra. In good working used condition, the GM part number for this unit is 555189934 ident UP and the Bosch number 0 281 011 667. This will need to match the number on the back of the ECU you are replacing. 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 2005-2010 with a 1.9 CDTI (Z19DTH) engine fitted and the correct part numbers as mentioned above. Price includes delivery via Royal Mail Tracked24.