Hi Ed,as you see my silver icon,it's a 85 nissan 720 4x4,had it twenty years,here's a link to your gas cap door,not for sure if it will send you what I am looking at or it will have you find it like me but,here's the
link ,if need more help,let me know.If you have to find,insert your vehicles info,then go to body side and rear,then rear fender and fitting,You may be able to call dealer also to see which is cheaper,this site will charge shipping,but Nissan dealer won't.