Power steering Pressure line question

I have been having a leak in my power steering pressure line latley and have been planning on replacing the line i cant seem to find anypace that sells it besides the dealership, and i was wondeering if the M6 4cyl line is the same as the MS6 one??? there both 2.3L and are mounted the same way i just wanted to kno if there was a difference or if anyone was selling a pressure line or know were i can get one, cuz i really dont want to go to the dealership and give them one of my kidneys, haha thnx all!