Hello and Welcome to the Hagerty community!  I checked around and we don't seem to have a recommended vendor in Canada for these parts, but you might want to check out RPM parts in Saskatoon as they seem to stock a lot of parts for your Cutlass!  http://www.rpmparts.ca/Catalogs/Oldsmobile%20Cutlass.pdf   If they don't have it you might have to purchase from a vendor in the US.  Best of luck!  ... View more