Most common auto parts stores here can only do OEM, and that's assuming that they still have listings for Fiero parts.
If you'll have the time for a mid-week cruise, consider ordering what you need from a USA-based supplier & having it shipped to the
Corporate Center in Ogdensburg, NY.It's a 3-3.5 hour round trip from Ottawa. In many cases intra-USA shipping + your own cost to drive there & back beats the heck out of international shipping & brokerage fees.