Yes, I've seen that before. But the title of this thread is E3TZ 19C872-
C and that part shows E3TZ 19C872-
A on the box. And that is for the following, although the buyer needs to head the warning of "FOR COMPLETE INSTALLATION (1) EACH OF THE FOLLOWING GROUP NUMBERS ARE REQUIRED - 9A567, 19703, 19708, 19C872, 19B968 and 19B969"
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