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Looking for Roof Antenna seal


rav3

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3 minutes ago, rav3 said:

Can anyone give me the P/N for the Roof Antenna rubber seal for my 2017 Silverado?

The XM antenna?  Got a leak?  Inject some same color RTV.  All of these antennas have a break in the seal/gasket, on the front side. 

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32 minutes ago, rav3 said:

Can anyone give me the P/N for the Roof Antenna rubber seal for my 2017 Silverado?

Do  not think you can buy parts separately for the Shark Fin.

 

Found this part number for a painted black version, 84876047 

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I replaced the shark fin for about $60 and used a little silicone on the bottom of the gasket 

be careful not to trap any moisture in there. I let mine dry in the sun for an hour or so.  Yes there was moisture that started causing wacky screen activity. 
good luck

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