A quick how to on removing a door panel from a nissan hardbody truck.
How to replace exterior door handle on nissan pickup.
The exterior door handle on my 1993 nissan pickup broke.
You need to remove the inside door panel once inside you will see a plastic sheet covering the door peel it down and away they get very sticky so be ready for that look inside the access hole you will see the arms with the plastic tabs that hold them on the handle those need to be removed after that look for the 2 screws that hold the handle on remove those and slide the handle out the outside of the door reverse this order to install the new one.
Besides junkyards which is a long shot for number of reasons the only place where the handle assembly can be bought is the dealer.
The handle itself cannot be replaced.
The outside door handle assembly which includes the handle the bezel with all associated springs plastic and metal hardware has to be replaced.