66gtk wrote
I believe this part number is for a Bricknose. Slightly different mirror shape??
The "E5" part of the part number says it was at least designed in 1985, and parts usually appeared on vehicles the same year they were designed, although not always. And, sure enough, that is the case for these mirrors. As the snippet below shows, which is from our page on Documentation/Exterior/Exterior Mirrors, these came out on 1985 trucks. But, the "85/" indicates that they were used at least until the end of that master parts catalog, which was 1989. So they were used on both Bullnose and Bricknose trucks.
Gary, AKA "Gary fellow":
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Dad's: '81 F150 Ranger XLT 4x4: Down for restomod: Full-roller "stroked 351M" w/Trick Flow heads & intake, EEC-V SEFI/E4OD/3.50 gears w/Kevlar clutches
Blue: 2015 F150 Platinum 4x4 SuperCrew wearing Blue Jeans & sporting a 3.5L EB & Max Tow
Big Blue: 1985 F250HD 4x4: 460/ZF5/3.55's, D60 w/Ox locker & 10.25 Sterling/Trutrac, Blue Top & Borgeson, & EEC-V MAF/SEFI