Searching on www.ebay.it for "retrovisore fiat 132" I can get this:
http://shop.ebay.it/items/?_nkw=retrovisore+fiat+132&_nd1=0&_trksid=p3286.m270.l1313&_odkw=retrovisore+fiat+131&_osacat=0
It seems to be the one you search, but I don't understand if is electrical...
Bye
Elio