side sliding door striker on 1991 Chevrolet Lumina APV

i just bought my lumina apv and the sliding door has to be tied shut cuz the rear striker and mounting hole is busted off and the front doesnt even look like it has a locking mechanism does anyone know where i can buy an aftermarket striker and backing plate to weld onto the rear so the door works thank you for your help

Asked by for the 1991 Chevrolet Lumina APV
sounds like youll need to go to the junkyard for these items.