4wd sheetmetal

hey juss askin more ?'s about a truck i havent gotten yet.....are the 4runner fenders the same as the p/u 4wd fenders on a 91? or do i need to get 4wd ones? i plan on puttin a 4runner front end on. also can you pick up bed skin sides to make the bed 4wd? or will i need to pick up a 4wd bed? thanks for anyhelp