I ordered a kickstand pad from a company I had never heard of and they have some interesting mirrors too. They're called kiwav motors. Check out their website and let me know if you find anything you think will work well.
Not for car parts I think. TBH I don't use Amazon that much, but I know people in the states use it all the time. I know they sell a lot of stuff, but I'm not sure if they are into car parts that much. It just seems more like an eBay thing. You could also just order straight from the manufacturer on their website I'm sure.