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Seals and Foam Kit - Heater w/ Integral A/C - Repro ~ 1969 - 1970 Mercury Cougar / 1969 - 1970 Ford Mustang 1969,1969 cougar,1969 mustang,1970,1970 cougar,1970 mustang,c9w,c9z,cougar,d0w,d0z,foam,ford,ford mustang,intregal,kit,mercury,mercury cougar,mustang,new,repro,reproduction,seals,a/c,ac,ac seal,a/c seal kit,foam,seal kit,foam kit,integral,integral ac,integral a/c,heater seal,ac seal kit,plenum,box,air,conditioning,heater,core,heater,repair,25971,plenum,heater,box,weatherstrip,seal,foam,gasket,kit,air,conditioning,with,air,built,in,factory,ac

Seals and Foam Kit - Heater w/ Integral A/C - Repro ~ 1969 - 1970 Mercury Cougar / 1969 - 1970 Ford Mustang
Item #: 25971

4.86 stars, based on 7 reviews
This kit is designed for the 1969-1970 heater A/C box. Replaces Ford Part #: C9ZZ-18500-A. Check out our video below on how to replace a heater core! We used a '69 Cougar with A/C, but many of the same concepts apply to other years. Check out this...
Seals and Foam Kit - Heater w/ Integral A/C - Repro ~ 1969 - 1970 Mercury Cougar / 1969 - 1970 Ford Mustang
Customer since 2017
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It's not the exact OEM material Ford used (I'm glad) it's a more dense material that will last much, much longer. Excellent fit... very satisfied

Seals and Foam Kit - Heater w/ Integral A/C - Repro ~ 1969 - 1970 Mercury Cougar / 1969 - 1970 Ford Mustang
Customer since 2014
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good fit well made

Seals and Foam Kit - Heater w/ Integral A/C - Repro ~ 1969 - 1970 Mercury Cougar / 1969 - 1970 Ford Mustang
Customer since 2021
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1969 Mustang Mach 1

Great quality and fits perfectly

Seals and Foam Kit - Heater w/ Integral A/C - Repro ~ 1969 - 1970 Mercury Cougar / 1969 - 1970 Ford Mustang
California
Customer since 2018
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Pros:
  • Price
  • Fit
Cons:
  • None

Nice gasket set.

This set of new heater box gaskets worked very well for me. Good quality foam which was easy to apply. The only caveat is to make sure that no gasket material extends past the edge of the metal door or the door will not work smoothly. Very reasonably priced for what you get.

Seals and Foam Kit - Heater w/ Integral A/C - Repro ~ 1969 - 1970 Mercury Cougar / 1969 - 1970 Ford Mustang
Customer since 2018
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Seal kit

minor trimming which was expected fit well and was able to rebuild heater box with no issues

Seals and Foam Kit - Heater w/ Integral A/C - Repro ~ 1969 - 1970 Mercury Cougar / 1969 - 1970 Ford Mustang
Customer since 2013
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Pros:
  • straight%20forward
  • good%20value
Cons:

Seals And Foam Kit

The old factory foam was disintegrating and the new pieces fit perfectly. Rebuilding the heater assy (with air) was more effort than planned due some rust cleanup, repriming and painting but with the new foam it looks and works like new. Overall very good value for the kit.I used heat resistant primer, paint to reprep the old doors and metal parts and 3M Supertrim adhesive spray which is also supposed to be somewhat heat resistant to glue the foam.

Seals and Foam Kit - Heater w/ Integral A/C - Repro ~ 1969 - 1970 Mercury Cougar / 1969 - 1970 Ford Mustang
Santa Rosa CA
Customer since 2013
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Pros:
  • Price
  • %20Install
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Seals And Foam Kit - Intregal A/C - Repro

This was the perfect item, had no problems installing them. Had great detail as to what foam piece went on what part. Mine where in so bad shape that I could not tell, but with diagram I had no problems.