Hey I have rebuilt 2 F150's already and as for the doors you are better off getting them from a Ford Truck Dealer the ones I have tried out there you have to slam shut the door way too hard, as for the window chanels and belt I used JC Whitney with no problems as for the vent windows I was lucky both trucks they were in great shape I took them out and cleaned them when I stripped the door to put in the window chanel felts. (do not order the vent window from JC W they are too big)