I had to educate my buddy just recently about how NOT to be deceived by brands
He wanted everything AC Delco on his 2014 truck when we did a bunch of work on it. AC Delco means factory parts to the uninitiated, but they're really not. Same goes for Motorcraft / Mopar.
Basically it goes like this -- contract manufacturer for GM/Ford/Stellantis/etc. makes XXXX number of parts for the vehicle-- that covers vehicle assembly line for the model, and whatever said manufacturer expects to need for warranty. Probably a clause in the contract that says they can order more if the need arises for X amount of time.
After 5-10 years, all those parts get transferred to aftermarket companies, basically Chinese / East Asian or mexican clones.
AC Delco slaps their "professional" or "gold" label on them, and sell them for top dollar. Everyone without a brain (or with a brain but lacks time to do research) goes nuts over AC Delco brand and pays the top dollar thinking that's what came on the vehicle. Probably the same for other manufacturers.
Long story short, REMY or any other brand means nothing when the vehicle gets old enough; even the manufacturer will be selling aftermarket parts with their logo on it, or whatever brand gives you the warm and fuzzies. Most reman electrical components (starters and alternators) are shipped to Mexico in bulk, returned with a nice shiny case and minimal work done and sold as Duralast, O'Reilly brand, Advance Auto brand, or even AC Delco!