For Vauxhall Astra MK4 2.0 Turbo GSi Genuine Lemark Ignition Coil
For Vauxhall Astra MK4 2.0 Turbo GSi Genuine Lemark Ignition Coil. We apologise in advance for any inconvenience caused. Number of Inlets / Outlets. An Ignition Coil is something that transforms a vehicles low battery voltage, into thousands of volts needed to create a spark to ignite the fuel. To prevent misfires, it is essential that your ignition coil is kept in perfect working condition. A non-maintained coil pack can potentially cause fuel wastage.