VAUXHALL ASTRA H. 1.7 CDTi 1686cc 100bhp DIESEL MODELS WITH 6-SPEED GEARBOX. YEARS 2005-2010. ONLY FITS THE ENGINE cc AS ABOVE WHERE A DUAL MASS TYPE FLYWHEEL IS STILL FITTED TO THE VEHICLE. IMPORTANT TO FIT WHERE ORIGINAL DUAL MASS TYPE FLYWHEEL IS STILL FITTED .