Trying to get parts

Ok question 1 I been trying to find a part for my van some call it the windowseal strip the dealer ship calls it dew wipe problem is mine has gone out. I took a pic of the side of the car and circle in red the part I am trying to get. The dealer ship wants me to pay 67 dollars per part for the dew wipe but I am trying to go cheaper because I wana buy 1 for the driver side too

second question is my passenger sliding door does not seem to lock or unlock when the key remote is pressed and when going over 20 all the other locks lock but this 1 door


also I have no ideal if I am adding this to the right topic