Navi antenna/aerial size - might have found a source for the gasket

[Alin Bogdan]

Can anyone confirm / answer the following:
1. is there any difference between Vectra C and Astra H aerial base size?
2. has the Vectra C navi aerial base different size depending on the year?
3. I know that de form of the navi aerial base is different depending of the body type (hatch has the washing nozzle, estate has a more "up-right" position for the antenna); but...is the base itself the same size? the gasket will fit from hatch to sedan or estate and vice-versa?

I am asking because I might have found a source for the gasket but the seller says that it was developed considering the size of the Astra H CD70 aerial base.

[Woody]

Expensive Alin ? Or is it worth a "chance purchase" ?

[lee gsi]

I have a Signum and Vectra C hatch GPS aerial base if templates are needed.

[Alin Bogdan]

Expensive Alin ? Or is it worth a "chance purchase" ?

They are around 10-12 pounds. I think I will get one and see how it fits. The problem is that I didn't have the navigation setup from factory, so I don't know if the aerial that I have now is the one for Vectra C or Astra H, I bought it from a scrapyard and just asked for a CD70 antenna for estate...at that time, few years ago

Once, I had 2 aerial bases in my hand and they had different size...not sure about their "provenance" . This is why I asked if there are any differences regarding the actual size between Vectra and Astra and also depending on body type.

[Alin Bogdan]

I have a Signum and Vectra C hatch GPS aerial base if templates are needed.

No need for templates as the gasket has been made already...but the Astra H CD70 aerial base was the reference.

But, if you have 2 antennas from 2 body types, can you confirm if their bases are the same size?

[Dog_Book]

Take some pictures of the one you had next to the new gasket. I'd be interested in a seal if its the right fit ofc

oh and note the part number on its base

[Alin Bogdan]

I have just ordered the gasket. Tomorrow or on Wednesday should be in my hands and I will be able to provide you some pictures and measurements.

[Alin Bogdan]

Received yesterday the gasket. Please find bellow 2 photos with the front and back of it. I made also some measurements considering the edges: length and width.

Gasket - front.jpg
Gasket - back.jpg

Maybe some of you can measure their own aerial base and see if there are any differences. If there aren't any, then I can arrange to get the gaskets for you.

[Alin Bogdan]

Just mounted the gasket and it fits perfectly

image.jpg
image.jpg
image.jpg

And this is a picture with the code written under the aerial base:
image.jpg

[patch22]

No good for the hatch unfortunately I got a cd70 nav with the washer jet in and it's at least 110mm long