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New Mustang Heater Box w/ Integral A/C

I am in the process of rebuilding my 1973 Mustang Heater Box w/ Integral A/C box and was researching to replace the rusted doors and shafts. I found that Classic Auto Air sells the replacement doors and shafts.

Now, I see that one can buy a brand new 1971-1973 Mustang Heater Box w/ Integral A/C for approx. 299.95.

Has any one bought this new box or seen one in person? I believe it is made out of a blended plastic. I was just wondering if would be better to get the new one and transfer your parts to it. It sure would be easier!

mustang7173 Huh
I can't say anything about replacement parts for the original HVAC, but I can say that Classic Auto Air is great to work with, and their stuff is top-notch. I bought a complete Perfect Fit system from them, and it was pretty easy and straight forward to install. Unfortunately, it's also $1800-ish (since I live in TX and had to pay state sales tax on the unit).

Good luck with it - A/C is a 'must have' if you ask me.


[Image: mach1sig2.gif]
+1 for Classic Air

I rebuilt my heater/AC box and they were able to provide all the parts I needed. They also carry all the ducting if anything needs replacing. I am also moving my AC compressor to the passsenger side and they had the items that I needed for that too. I ordered my stuff from their Florida site.

351C 4V cc heads, 10.5 : 1 CR, 290 Herbert cam, Flat top forged pistons, forged connecting rods, Atomic efi,
C6 with Gear Vendor overdrive, 3.89 Tru Trac, Hooker Super Comp with 2 1/2" Pypes Exhaust.        

Some Mod pictures can be seen at:

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