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Passenger fresh air inlet

Dad's Coronet

Member
Local time
9:00 AM
Joined
Jul 24, 2025
Messages
9
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16
Location
Liberty IN
B Body owners, I have a dilemma with a heater/ac box I just got for a ‘66 Coronet. I picked it up used, for a Coronet that had been gutted years ago. The box will fit up perfect…. But on the right side (passenger), there is a short, large-diameter hose that is supposed to connect to a fresh air inlet box. I have no inlet assembly on that side. I do on the drivers side. I cannot find one for the passenger side. It is all I need to move forward. The original FSA is useless in this case. I have a complete copy, exact year. The only description or pics are for the “Dart” type. Not sure why they share a service manual, but that’s what is in there. Anybody know where I can find what I need? There are plenty of drivers side inlets out there. Just nothing for the passenger.
 
The passenger’s side vent is built into the heater box. Does your heater box look like this?

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