Panel swaps

[MidWesty]

I need to replace the bottom rear corners on my 73 Double cab. Approximately the last 4-5 inches below the tailights. Are all early Bay corners the same? My '78 is smooth from the light down, the '73 has an indention, for lack of a better word, that goes around the bottom of the corner. It basically follows the contour of the bumper. I just need to know what years are compatible. I may have found a '71 for parts but haven't been there to see it to compare. Any help appreciated!

Thanks!

[Amskeptic]

'78 is smooth from the light down, the '73 has an indention, for lack of a better word, that goes around the bottom of the corner.

'73 and '78 should be compatable as far as mounting to the car. I am unaware of any cosmetic differences between the two.
Colin