Details
- Length [mm]
- 405 mm
- Thread Size
- M6
- Operating Mode
- EL
- Thread Type
- 7
Compare 1 brand — check fitment and order online
OE part number 1788909 is a Aerial compatible with AUDI, OPEL and other makes. Available from 1 brands, priced from £9.99. Every cross-reference listed below matches the same OE specification used by the vehicle manufacturer.
Original installation position for OE 1788909. The red ring marks where this part installs on the vehicle.

OEM workshop diagram — sourced from manufacturer parts catalogue.
OE 1788909 is compatible with the following make/model combinations:
| Make | Models |
|---|---|
| OPEL | ASTRA G Hatchback (T98), ASTRA F Hatchback (T92), ASTRA F Estate (T92), ASTRA G Estate (T98) +5 |
| AUDI | A8 D2 (4D2, 4D8) |
Products matched to OE number 1788909.
| Attribute | Value |
|---|---|
| Quantity Unit | Piece |
| Fitting Position | Front |
| Left-/right-hand drive vehicles | 2 |
| Thread Type | 7 |
| Fitting Position | Roof Fitting |
| Left-/right-hand drive vehicles | 3 |
| Quality | ALKAR |
| Quality | Certified Quality |
| Resistor [Ohm] | 150 |
| Supplementary Article/Info 2 | with adapter |
OE (Original Equipment) number 1788909 is a manufacturer's reference code for Aerial used to identify the exact specification of a part fitted during vehicle production. By cross-referencing this OE number, you can find 1 compatible aftermarket brands that match the same specification — often at a lower price than the original. All parts listed above are verified to match OE 1788909.