How to replace my zumo550 power button?

[Lew]

Hi all
My zumo 550 on /off button came out.did a bit of reading on the net and saw this has happenda lot to other 550 zumo users.Where do i get a new replacement rubber part that is part of the on off button.

Maby one of the vendors has a old dummy unit i can buy or get part from please help.

Thanks

 

[Bundu]

 

[Lew]