Rear Door 100mm - 120mm. D Model
Allows the installation of standard size aftermarket speakers when replacing the OEM speakers
| Model | Year From | Year To |
| Astra Rear Side Panel 100mm - 120mm. H Model | 2005 | 2010 |
| Corsa Rear Door 100mm - 120mm. D Model | 2006 | 2014 |