Manufacturer: VICTOR REINZ. OEM Numbers: 16 06 034--OPEL,642 533 (16x)--OPEL,16 06 792--OPEL. Fuel Mixture Formation. Front Lights. Once that option is no longer available, we may not be able to cancel anymore, however, and as long as we haven’t processed your order yet, we will do everything we can to stop your order.