A/C Box Components and Parts

Usually ships in 3-5 business days. Reproduction heater box with A/C for 69 - 70 Cougars and Mustangs. This new plenum is made of a sturdy hard plastic that should hold up much better than the original fiberglass boxes. Includes pre-installed seals, clips, flaps, brackets, etc. Just install your heater core (with end cap seals) and AC evaporator (with rubber grommet). This assembly comes with two heater core gaskets, one for early 69 and one for late 69 - 70. NOTE: We've received some helpful...

Usually ships in 3-5 business days. Reproduction heater box for the Mercury Cougar or Ford Mustang equipped with air conditioning. These are getting so hard to find without a broken drain cock or rust in the metal lips, so we are happy to bring you this quality reproduction! This unit will come with all the necessary seals and clips. If you need to replace them you can get the heater core here or the blower motor here. We suggest reusing your original A/C evaporator as long as it doesn't leak...

Special steel clamps that hold both halves of the heater box together. Fully functional, but is different than the original. Replaces Ford Part #: C0DF-19A779-A. *NOTE* Never pry these off or the lip they attach to will lose the edge and it will be hard to fasten the clips back in place. They are designed to come off by inserting a standard screw driver in one of the ends and flexing the clamp to open the jaws.

Special steel clamps that hold both halves of the heater box together on both A/C and non A/C Cougars and Mustangs. Two versions found, round and flat, like in the comparison with reproduction. Sold individually. Replaces part #: C0DF-19A779-A. *NOTE* Never pry these off or the lip they attach to will lose the edge and it will be hard to fasten the clips back in place. They are designed to come off by inserting a standard screw driver in one of the ends and flexing the clamp to open the jaws. ...

Special steel clamps that hold both halves of the heater box together on both A/C and non A/C Cougars and Mustangs. Two versions found, round and flat, like in the comparison with reproduction. Sold individually. This taller or round clip is slightly easier to clip onto the boxes. Replaces part #: C0DF-19A779-A. *NOTE* Never pry these off or the lip they attach to will lose the edge and it will be hard to fasten the clips back in place. They are designed to come off by inserting a standard...

Set of 4 special steel clamps that hold both halves of the heater box together. Fully functional, but is different than the original. Replaces Ford Part #: C0DF-19A779-A. *NOTE* Never pry these off or the lip they attach to will lose the edge and it will be hard to fasten the clips back in place. They are designed to come off by inserting a standard screw driver in one of the ends and flexing the clamp to open the jaws.

Reproduction heater cable for Mercury Cougars and Ford Mustangs equipped with factory A/C. This unit is an exact fit!Replaces part # C7ZZ-19988-A.

Reproduction heater cable for Mercury Cougars and Ford Mustangs equipped with factory A/C. Replaces part # C9ZZ-185188-A.

Constructed from corrosion resistant copper and brass. Quality replacement part for a job you do not have to do again anytime soon. Replaces Ford Part #: C9ZZ-18476-B. Check out our videos below on how to replace a heater core! We now have separate videos for the first generation ('67-'68) and second generation ('69-'70). ...

Machine hex bolt for installing the heater cables to the climate controls on any 1969-73 Mercury Cougar or Ford Mustang. 8-32 threaded hex machine screw like the originals. Attaches cables for heater only or factory A/C cables.

Push on retainer for heating and air conditioning box levers or shafts. Fits 3/16 inch studs or rods. In most cases you will also want to get a washer to go against the pinched stops. Probably fits most Ford products, not just 1967-73 Cougar and Mustang.Replaces Ford part number 383358-S.

New heater blower motor resistor that attaches to the heater blower fiberglass housing. Ford part # C8OZ-18591-A.1970 and Later Maverick and Comet1971 and Later Lincoln

New heater blower motor resistor for Mercury Cougars and Ford Mustangs equipped with factory A/C. This unit attaches to the heater blower fiberglass housing. Replaces part # C7ZZ-18591-B.

Used heater blower motor resistor for Mercury Cougars and Ford Mustangs equipped with factory A/C. This unit attaches to the heater blower fiberglass housing. Ford part # C7ZZ-18591-B.

Used OEM Ford heater blower motor resistor for cars with factory installed air conditioning, it attaches to the A/C blower fiberglass housing. Fits all 1969-73 Mercury Cougar and Ford Mustang with integral or factory air conditioning. The reproduction resistor that fits the 1967 - 1968 Cougar and 1965-1968 Mustang has a different hole pattern. According to manufacturer information (INDAK), the OHM output for this switch makes it incompatible with the earlier reproduction resistor. We inspect...

Complete foam seal kit for the heater box, flappers, evaporator and heater core on a '67-'68 Cougar or Mustang with factory Air Conditioning. This kit is almost always needed when replacing your heater core.Replaces Ford part #: C7ZZ-18500-A. Check out our video below on how to replace a heater core on a '68 Cougar with A/C! This seal kit is an integral part of the process. ...

Shaft or rod for the A/C damper blower door on any 1967-68 Mercury Cougar or Ford Mustang with factory or integral air conditioning. 1967-68 shaft is clocked differently than the 1969-73 version. This air conditioning damper door is in front of the blower or fan in the center of the car. Part cleaned for photograph, normally will ship 'as removed'. Inspected for damage or weakness of the metal. Shaft only, door not included, but available. See related parts.Replaces Ford part number...

Shaft or rod for the A/C damper blower door on any 1969-73 Mercury Cougar or Ford Mustang with factory or integral air conditioning. 1969-73 shaft is clocked differently than the 1967-68 version. This air conditioning damper door is in front of the blower or fan in the center of the car. Part cleaned for photograph, normally will ship 'as removed'. Inspected for damage or weakness of the metal. Shaft only, door not included, but available. See related parts.Replaces Ford part number...

Shaft or rod for air inlet damper door for any 1967-68 Mercury Cougar or Ford Mustang with factory or integral air conditioning. The damper door allows re-circulating or fresh air to enter the fiber glass A/C box. Part cleaned for photograph, normally will ship 'as removed'. Inspected for damage or weakness of the metal. Shaft only, door not included, but available. See related parts.Replaces Ford part number C7ZZ-19C774-A.

Shaft or rod for air inlet damper door for any 1969-70 Mercury Cougar or Ford Mustang with factory or integral air conditioning. The damper door allows re-circulating or fresh air to enter the fiber glass A/C box. Part cleaned for photograph, normally will ship 'as removed'. Inspected for damage or weakness of the metal. Shaft only, door not included, but available. See related parts.Replaces Ford part number C9ZZ-19C774-A.

Shaft or rod for air inlet damper door for any 1971-73 Mercury Cougar or Ford Mustang with factory or integral air conditioning. The damper door allows re-circulating or fresh air to enter the fiber glass A/C box. Part cleaned for photograph, normally will ship 'as removed'. Inspected for damage or weakness of the metal. Shaft only, door not included, but available. Similar to the 1969-70 version, but does have a different bend on the end. See related parts. Additionally fits Maverick and...

Shaft or rod for the evaporator damper door on any 1969-73 Mercury Cougar or Ford Mustang with factory or integral air conditioning. 1967-68 shaft has a tab mounted on the lever, and is clocked differently than the 1969-73 version. The evaporator damper door allows air to pass over the evaporator in the fiber glass A/C box. Part cleaned for photograph, normally will ship 'as removed'. Inspected for damage or weakness of the metal. Shaft only, door not included, but available. See related...

Shaft or rod for the evaporator damper door on any 1967-68 Mercury Cougar or Ford Mustang with factory or integral air conditioning. 1967-68 shaft has a tab mounted on the lever, and is clocked differently than the 1969-73 version. The evaporator damper door allows air to pass over the evaporator in the fiber glass A/C box. Part cleaned for photograph, normally will ship 'as removed'. Inspected for damage or weakness of the metal. Shaft only, door not included, but available. See related...

Shaft or rod for the heater damper door on any 1967-68 Mercury Cougar or Ford Mustang with factory or integral air conditioning. The heater damper door allows air to pass over the heater core in the fiber glass A/C box. Part cleaned for photograph, normally will ship 'as removed'. Inspected for damage or weakness of the metal. Shaft only, door not included, but available. See related parts.Replaces Ford part number C7ZZ-19C774-B.*Note will not work in 1969-73 A/C boxes.

Used air conditioning thermostat switch for any 1967-68 Mercury Cougar or Ford Mustang with integral or factory A/C. Attaches to the side of the fiberglass box under the dash, the wire probe gets inserted into the evaporator. Tested and working switch. These were originally manufactured by Ranco for Ford. Ford part numbers C7ZA-19618-C or C7ZZ-19618-A.

Used air conditioning thermostat switch for any 1971-73 Mercury Cougar or Ford Mustang with integral or factory A/C. Attaches to the side of the fiberglass box under the dash, the wire probe gets inserted into the evaporator. Tested and working switch. These were originally manufactured by Cutler-Hammer for Ford. Ford part numbers D1ZA-19618-A or D1ZZ-19618-A.

Reproduction vacuum actuator for controlling dampers and levers on the different year A/C boxes. These came in several different anodized colors. This is the basic valve with a single vacuum port.

Used vacuum actuator for controlling dampers and levers on the different year A/C boxes. This is a bare vacuum valve, that does not have the screwed on extension which make the unique part numbers from the Ford MPC. Tested and holds vacuum. These came in several different anodized colors, for 1967-68 the color was brown. This is the basic valve with a single vacuum port.

Used vacuum actuator for controlling dampers and levers on the different year A/C boxes. This is a bare vacuum valve, that does not have the screwed on extension which make the unique part numbers from the Ford MPC. Tested and holds vacuum. These came in several different anodized colors. Blue is the color found 1969 and 1970 and early 1971. Blue and Brown actuators are exactly the same. This is the basic valve with a single vacuum port. There are other versions with an extra vacuum port...

Used vacuum actuator for controlling dampers and levers on the different year A/C boxes. This is a bare vacuum valve, that does not have the screwed on extension which make the unique part numbers from the Ford MPC. Tested and holds vacuum. These came in several different anodized colors. All bare sheet metal steel construction starting in 1971 until 1973. This is the basic valve with a single vacuum port. There are other versions with an extra vacuum port on the side.

Used extension or rod for the vacuum actuator for controlling dampers and levers on the 1967-68 Mercury Cougar or Ford Mustang factory integral A/C boxes. This gets screwed onto the tab on the vacuum actuator, which make the unique part numbers from the Ford MPC. About 1-15/16 inches long. For 1967-68 Cougar and Mustang, all three vacuum actuators used this same length extension. Vacuum actuator sold separately, see related items. Stamped with Ford casting number C7ZA-18A318-A....

Used extension or rod for the vacuum actuator for controlling the fresh air door on the 1969-73 Mercury Cougar or Ford Mustang factory integral A/C boxes. This gets screwed onto the tab on the vacuum actuator, which make the unique part numbers from the Ford MPC. About 6 inches long. For 1969-73 Cougar and Mustang, has a dog leg jog as shown. On the right hand end, of the A/C plenum. Vacuum actuator sold separately, see related items. Stamped with Ford casting...

Used extension or rod for the vacuum actuator for controlling the air restrictor door on the 1969-73 Mercury Cougar or Ford Mustang factory integral A/C boxes. This gets screwed onto the tab on the vacuum actuator, which make the unique part numbers from the Ford MPC. About 6 inches long. For 1969-73 Cougar and Mustang, has a dog leg jog as shown. On the front of the A/C plenum. Vacuum actuator sold separately, see related items. Stamped with Ford casting number C9ZA-18...

This unit mounts on the main air chamber, it opens and closes the air vent. Made of nylon with a brass plunger. This unit is easy to test and can be seen by removing the glove box. Often it is the internal spring that fails on these and if your Cougar or Mustang will not easily change between blowing through the defrost ducts and the floor duct, this unit may be the culprit. Switch assembly, servo control. Replaces Ford part # C6OZ-18C311-A. *NOTE* You will need to retain your mounting bracket...

Washer or spacer for heating and air conditioning box levers or shafts. Fits 3/16 inch studs or rods. In most cases you will also want to get a push on retainer to keep secure.

Reproduction air conditioning evaporator for early production Mercury Cougars and Ford Mustangs. This early 1969 version has inlet and outlet tubes that run horizontally, in the later 1969-70 version, these tubes run diagonally off of the core. Please note the type of connection that you have. This item uses "O" - Ring style fittings. 1967-68 and some very early 1969 cars were using compression fittings. *Note - We have had numerous customers complain that these don't fit exactly like the...

Reproduction A/C evaporator for the later production 1969 - 1970 Mercury Cougar and Ford Mustang. This later version of the evaporator has inlet and outlet tubes that run diagonally of the core as opposed to the early version where the tubes run horizontally.*Note - We have had numerous customers complain that these don't fit exactly like the originals. As far as evaporators go, we highly suggest going with a good used evaporator over these new versions. What happens is this: These companies...

This A/C vacuum canister mounts through the passenger side fender apron near the hood hinge. This vacuum reservoir controls, damper doors inside the A/C unit. This unit includes a built in check valve. Used and tested vacuum tank and bracket, also known as the A/C vacuum reservoir. Fits all 1968-70 Mercury Cougars, and is a replacement for 1967's too. We also stock a Grade B version that looks the part, but does not have a working check valve, and will still need a new rubber coating on the...

This A/C vacuum canister mounts to the passenger side shock tower and controls damper doors inside the A/C unit. This unit includes a built in check valve. Used and tested vacuum tank and bracket, also known as the A/C vacuum reservoir. Fits all 1971-73 Mercury Cougar, 1971-73 Ford Mustang, as well as 1970-71 Ford Torino / Fairlane and Mercury Cyclone Montego, 1970-7? Ford Maverick and Mercury Comet.Replaces Ford part # D0DZ-19A566-A.  

Used mounting bracket from a 1969-70 Mercury Cougar or Ford Mustang with factory installed air conditioning. This is the tab that is riveted to the blower housing, the stud goes through the firewall. Bracket with stud only, no other hardware included. Normally this will ship with the old fiberglass remnants still riveted to this bracket. Same bracket at 1967-68, but with a longer stud.

Heater door for any 1967-73 Mercury Cougar or Ford Mustang with factory or integral air conditioning. The heater door allows air to pass over the heater core in the A/C box. This is the smallest door in the A/C box, and the one subject to the most damage from moisture. Part cleaned for photograph, normally will ship 'as removed'. Inspected for excessive rust pitting or weakness of the metal, they all will have a slight amount of metal degradation from being assembled as bare metal. Door only,...

Reproduction grommet that seals the heater hoses and A/C lines where they pass through the firewall on the passenger side. Made from closed cell foam, as opposed to the originals being rubber.* Note - Used starting during the later part of 1969. Compare the evaporator line orientation for both years.

These are reproduction heater hose grommets for the heater hose to pass through the firewall. Most of the firewalls that we have seen have a flared opening for the hose without a grommet. These are a more dense rubber than our other versions. Still not sure that they are needed?

Used heater and air conditioning box for late 1967 and 1968 Mercury Cougar and Ford Mustangs. These are getting so hard to find without a broken drain cock or rust in the metal lips. The unit pictured here is typical of what you can expect when you buy out used complete box. Plan on repairing the drain cock or other minor cracks. All doors will be functional, we will promise the evaporator is good and we do promise the heater core will be bad. We have a few single halves if you need the half...

These are getting so hard to find without a broken drain cock or rust in the metal lips. The unit pictured here is typical of what you can expect when you buy out used complete box. Plan on repairing the drain cock or other minor cracks. All doors will be functional, we will not promise the evaporator is good and we do promise the heater core will be bad. We have a few single halves if you need the half without the drain cock. Two versions for 1969-70 Mercury Cougar and Ford Mustang....

These are getting so hard to find without a broken drain cock or rust in the metal lips. We have a few single halves if you need the half without the drain cock. Soon we will have every single internal and external part from this assembly listed here, in the mean time give us a ring for those obscure parts! Two versions for 1969-70 Mercury Cougar and Ford Mustang. Difference is the evaporator and the orientation of the tubes. Look for the triangle shaped rubber line seal for the later 1969-70...

Item is the lower half only of the air conditioning plenum from a 1969 Mercury Cougar or Ford Mustang. This would be the version found at the beginning and most of 1969. Unique in the way the evaporator lines are configured. The later version and all of 1970 has the box with the triangle shaped cut out for the evaporator lines. The lower section is the portion that has the drain tube that is often broken, you may find a repair done to the ones that we sell. These lower sections may have some...

Shaft or rod for the heater core damper door on any 1969-73 Mercury Cougar or Ford Mustang with factory or integral air conditioning. The heater damper door allows air to pass over the heater core in the fiber glass A/C box. Part cleaned for photograph, normally will ship 'as removed'. Inspected for damage or weakness of the metal. Shaft only, door not included, but available. See related parts.Replaces Ford part number C9ZZ-19C774-B.*Note will not work in 1967-68 A/C boxes. ...