source for AC compressor for my Sentra

[ahardb0dy]

My AC compressor took a crap (AGAIN), my AC guy says the aftermarket rebuilt ones are only good for about a year, and so far he is right as this was my 3rd one in as many years. So anyone have any other sources for a compressor? I know I can get one from the dealer, online ever at a discount but still over $450. Rockauto has one but the 3 month warranty worries me. My guy told me one time I would be better off getting a OEM one from the junkyard but the ones there would probably be just as bad as the one I have now. Any suggestions? Thanks