Heater Box Assembly 3-Speed 1965-1966

CJ's Part Number:
HBA2
Heater Box Assembly 3-Speed 1965-1966 is rated 4.9 out of 5 by 13.
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Highlights

  • Includes Heater Box Gaskets
  • Includes Heater Box Seals
  • Includes Heater Housing Clips
  • Blower Motor Sold Separately
MSRP $188.99
$179.99
You save $9.00

Heater Box Assembly for all 1965-1966 Mustangs with a 3-speed heater motor.

Replace your damaged factory original or missing heater box assembly. This heater box assembly consist of a front and rear fiberglass casing with access doors just like the original unit. This factory style box is a direct replacement for all 1965-1966 Mustangs. The two piece design allows for easy access to install the heater core and inspect the working internals.

Kit Includes:
- Heater Box Gaskets
- Heater Box Seals
- Heater Housing Clips

Please Note: This Heater Box Assembly does NOT include the heater motor or the heater resistor.

The heater plenum attaches to this assembly and directs warm air throughout your Mustang. With this being a replacement unit all the factory correct mounting brackets are pre-installed letting you know everything will line up. This heater box assembly also features pre-cut holes for the heater core and heater resistor.

When it gets cold, how effective is the heat in your classic Mustang? If that question was answered with, 'no,' CJ Pony Parts has several hundred heating parts that can help get these important components of your Mustang working again, ready for the cold seasons each year.

Purchase your Heater Box Assembly for all 1965-1966 Mustangs with a 3-speed heater motor from CJ Pony Parts today!

Installation Difficulty

Moderate
Moderate

Intermediate skill is required for this installation.

Vehicle Fitment

This product will fit the following Mustang years:

Rated 5 out of 5 by from Great replacement product My old heater box was literally in pieces when I removed it so it was necessary to replace. This box is great, came with all the internal gaskets installed already and already had the heater resistor installed. It is a bit difficult to install the heater core, but CJ Pony had a good tutorial online. It did NOT come with the gasket to seal the blower motor to the firewall so I had to buy that separately.
Date published: 2018-12-17
Rated 5 out of 5 by from awesome... thanks ! had to fix our Heater Core so decided to take care of the whole heater assembly and also picked up a new heater plenum. with our weather starting to change here in oklahoma we tested it out today and we had a nice heater going within the car and it was great to finally have a defroster!!!
Date published: 2015-10-29
Rated 5 out of 5 by from Super pleased After having my heater blow up I pulled the old box out and as expect for an original part it was trashed. I found this and ordered it along with a new resistor, blower motor, control cables, and cowl seal to go with the new box. Got everything in and found out the box comes with a resistor already installed. Put the box together fitted perfectly nice and tight. Install went smooth everything lined up great. Super happy with this I'll be ordering another when I do the next one
Date published: 2019-08-11
Rated 5 out of 5 by from strong and great fit everything goes together easy, nice fit in the car.
Date published: 2015-01-08
Rated 5 out of 5 by from great features I bought this a month ago to replace the original one which had all of the gates rusted and seized shut or open and I could not receive any heat in the car This heater box worked and fit with no modifications and now I have heat
Date published: 2018-03-14
Rated 5 out of 5 by from excellent reproduction part This heater box is an excellent reproduction of the original. It comes with all the necessary gaskets and clips. The one I received even had the blower resistor already installed.
Date published: 2015-07-05
Rated 5 out of 5 by from Excellent reproduction! This heater box Is perfect. I would not have known it wasn't an original part by ford. Mine DID come with the heater resister pack installed. New heater core fit perfect.
Date published: 2019-04-20
Rated 5 out of 5 by from Careful When pushing the clips on, be careful and wear gloves or push them on with something other than your thumbs. The clips will chew your thumbs up, very sharp tops.
Date published: 2017-06-02
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What is this H/B made of (is it fiberglass or plastic)

Asked by: Killingtime65
This heater box assembly consist of a front and rear fiberglass casing with access doors just like the original unit. This factory style box is a direct replacement for all 1965-1966 Mustangs.
Answered by: rk cjpp
Date published: 2019-09-15

does heater box come with heater core

Asked by: steve
No it does not.
Answered by: rk cjpp
Date published: 2019-06-19

needing the whole heater set up .....is there a kit that has all i need for my 66 mustang

Asked by: Don d
You would have to purchase all the parts separately.
Answered by: rk cjpp
Date published: 2019-04-21

do you accept money orders for payment

Asked by: snoopy dog
Yes, we do.
Answered by: jmg1
Date published: 2019-01-08

Just received heater core that I ordered. When looking at re-assembly I noticed that the heater box is cracked. Will HBA2 heater box fit my 66 mustang w/o air? and is it available for a two speed fan or just for 3 speed?

Asked by: Denis49
Here is the link to the 2 speed heater box.
Answered by: rk cjpp
Date published: 2018-09-11

Is the heater core included with this assembly?

Asked by: mgtate55
No it is not.
Answered by: rk cjpp
Date published: 2018-05-17

Would I require a motor with fan or without fan for this unit?

Asked by: Ironman68
You will need a motor and fan if you don't already have a working one.
Answered by: rk cjpp
Date published: 2017-09-13

what is the difference between the 2 and 3 speed heater boxes?

Asked by: pgevel
The 2 speed box doesn't have the cutout for the 3 speed's blower resistor.
Answered by: rk cjpp
Date published: 2017-08-25
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