There were 3 versions of Door handles used on the 1973-1987(91) trucks:
1973-76 – thin with a curved tip, offset to the top in the mount. Will only work with related door panels

1977-80 – Thick(wide) with a curved tip, centered in the mount. Will only work with related door panels

1981-1991 – Thin and straight, offset to the bottom. Will only work with related door panels
