Silentblock is a common term for a rubber suspension bush.
Don't be too hard on the guy and frighten him off too soon...!
I did wonder if there was a hint of Google Translate. The result of that can be quite funny, especially if you go from language A to language B then back to language A again.Thanks for the quick replies. Thats a copy of the text they sent me and they dont speak english (czech) so it could be googletranslator coming up with these terms.