Are you looking for used trim or NOS? If the latter you might be better off giving the "searchers" part numbers.
This is the listing from the MPC from this page: Documentation/Exterior/
Exterior Trim & Moulding and the Lower Moulding and then the Regular Cab tabs.
Are you looking for both sides or just the driver's side as shown in the illustration you posted? Can you give the searchers the part numbers from this?
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