How do I know whether to get the alternator with or without rear a/c on 2006 Ford Freestyle

my alternator is bad and I don't know whether to purchase the alternator that work with rear a/c or the one with out

1 answer
DOES THE VAN HAVE REAR A/C?
THE ALT. HAS A NUMBER ON IT THAT IS ALL YOU SHOULD NEED TO BE SURE AND GET THE RIGHT ONE.