My Motorad cap actually *did* come from RA.
Only issues I've run into was getting sent the wrong brake caliper once, and getting a set of wholesaler closeout KYB struts for a '94 tempo that were very old and had very little gas charge left (excel-G's, they are supposed to be charged!). Otherwise, I've had pretty good luck with RA... just knowing to be careful with any closeouts on things that might have an expiration date.
1984 F150: 300 L6, AOD, RWD. EEC IV / TFI, Feedback Carter YFA Carb. Stock everything but radio (for now).