I do. I regularly buy them for by business. Are you asking about just buying the part at the parts counter? Or are you asking about getting it installed by an independent mechanic? Or it getting I stalled by the dealer? The best way to find out is by simply calling each one of them.
Easiest way to find out price in your market is to simply make some phone calls. I suppose a good guess may be $3,000-$4,000 or so.