Its a gen 1 xlt valance panel, would of had the letters F-O-R-D on the right side, in ‘89 they did away with the letters and just used a ford blue oval emblem. ‘93 & up didnt use that panel, just had a ford emblem on r.h. side. Some trucks had “ford” on r.h. side in vynil letters. Oddly enough gen 1&2 tailgates seemed less prone to rust-through than the ‘93 & up trucks. Under that panel the ford letters are stamped into the tailgate skin. Someone has added that black center stripe and the two ford blue oval emblems/stickers. Heres what the panel would of originally looked like:
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