MOTOR VAUXHALL ASTRA H MK5 1.7 CDTI Z17DTH ECU TECH2 RESET 55556829 ZH
In good working used condition, the part number for this unit is 55556829 ident ZH. This will need to match the number on the back of the ECU you are replacing. Engine ECU removed from a 2007 Vauxhall Astra.