wiper motor gasket 1969 GS

where can I get the Gasket or seal for the wiper motor to the fire wall and what dose it look like
Thanks

 

Ebay is where I got mine. Its just a simple rectangular donut.

 

I have nos ones that are round

 

Should be the same (round) , unless maybe a non-hidden when parked unit? ws

 

Here,s what my 1969 GS Wiper Motor looks like.
Is the the gasket your talking about?

 

Thanks too all I now have the seals