Ernie Ball Sting Ray Bass / Original bridge buffers

I’m from Germany, and have an original “Ernie Ball Sting Ray Bass”, 4 strings, Bridge-Serial-No.: B027260.

It was bougth probably in 1991, but I’m not quite sure.

1. The original black “bridge buffers” are missing.
2. Also the original transparent pick guard has some flaws at the screw-point areas.

I searched for a long time now, so, my question is:
Is there a chance to get in touch with some original buffers and a new transparent pick guard?

Thanks in advance!

Michael