Cuprum-74 Moparus Fanaticus FABO Gold Member Joined Dec 6, 2012 Messages 760 Reaction score 401 Location Utah Rating - 100% 4 0 0 Apr 15, 2014 #1 Contact seller Looking for a heater control unit that will fit a 1974 Duster. No A/C, just has a heater. Thank you.