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This listing is for one after-market rubber aerial antenna grommet sleeve (gommino dichtung, tülle ) for the General Motors (GM) Vauxhall, Opel, Holden, Chevrolet models of Astra 'F' and Optima 'F'  HATCHBACK model variants, also known as the Astra Mk 3, principally manufactured between 1991 and 1998, and up to 2002 in some countries. This grommet is the rubber seal or fitting piece that locates the aerial antenna neck in the rear wing/fender on the hatchback models. It is suitable for both manual and electric aerials and powered antennas with a ball top fitting used as original equipment (OE) and fits the original hole. Suitable replacement for GM Opel part numbers 90401902, and  1784949,  17 84 949 Cap


This grommet is angled at 62º and fits in the original oval hole of approximately 48 mm x 24 mm, as factory installed on Hatchback variants (those with a tailgate or rear hatch).


Please note it is not suitable for saloon sedan convertible models with rear boot or trunk lid as these require a lower angle, circular grommet. Please see our other listing for this.


Antennen, Antenne, Automatic, Automatische Antennes, Antenna, Antennae, Automatiques, Vervaningstelescopen, power antenna, auto aerial, radio aerial, ariel, arial, aereal, aireal, antenner.