Heating & Air Conditioning

Rubber plugs for sealing the holes in the firewall of any 1967-68 Mercury Cougar or Ford Mustang. These plug the firewall holes if you don't have air conditioning or if you have deleted your heater core. Fits 1" body panel holes for all years.Sold as a pair.Original Ford part 377678-S2

Reproduction flexible duct end that was originally stapled to the passenger side fresh air duct, found behind the passenger side dash panel of all 1971-73 Mercury Cougar and Ford Mustangs without air conditioning. Restoration tip - Ford used a ring of foam as a seal between the duct and fresh air vent. Replaces Ford part number D1ZA-18C305-AB.

Reproduction rubber grommet for the air conditioning case. This grommet encloses the tubes for the evaporator, and slides into a slot on the heater box. Owners with 1969 A/C please look at your existing grommet for the triangle shape like in the picture. Fits some 1969 Mercury Cougar and Ford Mustang (late built cars), and should be all 1970-73 Mercury Cougar and Ford Mustang. Replaces Ford part number C9ZZ-19B552-A. Check out our video below on how to replace a heater core! We used a '69...

Good used grommet that seals the heater hoses and A/C lines where they pass through the firewall on the passenger side. Made from a spongy rubber, attaches to the heater core and seals the firewall from the inside. This grommet does not use a retaining bracket like previous years. Will be intact, but will show some degradation as shown in the picture, most evident where the heater core tubes pass through. Engineering # D1ZZ-19B588-A.

Reproduction heater blower motor for Mercury Cougar and Ford Mustang. Wiring will need to be spliced into your existing wiring harness. Save the squirrel cage and the heater motor mounting plate from your old unit because it is not included with this item.These off-shore units may or may not prove to be as good of value as our good used original FoMoCo reconditioned units. Notice they do not have the correct pigtails in place. To date, all we can find for these cars are foreign made units....

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. Soon we will have every single internal and external part from this...

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. Replaces part # C9ZZ-185188-A.

Complete used heater control assembly that includes a bezel / face plate, bracket control mounting plate, electrical switches, and vacuum switches. Functional, driver quality, heater control assembly. Knobs and light socket wiring harness not included. Replaces part # D1ZZ-18A651-A. *RESTORATION TIP* If you like to restore your own parts, you can purchase plastic polish for the lenses that will take out the haze with a bit of elbow grease. A silver paint pen (purchased from most artist...

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). ...

Our heater cores are the finest available anywhere for any price. Constructed from corrosion resistant copper and brass. A great buy for anyone who is sick of smelling anti-freeze and needing to make repairs to this vital part.Replaces Ford Part #: D1ZZ-18476-B. Check out our video below on how to replace a heater core! We used a '69 Cougar with AC, but many of the same concepts apply to other years. ...

Concours correct heater hose for all Cougars and Mustangs built after 2/1/1970. Prior to that year, red striping was used. These hoses feature durable yellow striping, "Autolite" spelled out, and are dated LQ0H04A. Correct for all V-8 engines WITHOUT air conditioning. The hoses that are used on cars with A/C have a molded 90 degree elbow at the end that fits on the water valve side. Some length trimming may be required for a tight looking fit. Turn those hoses so that the yellow striping...

Concours correct yellow striped heater hose for Cougars and Mustangs WITH factory or integral air conditioning. These hoses feature durable yellow striping with "Autolite" spelled out and dated LQ0H04A. Correct for all V-8 engines with A/C. The hoses feature a correctly molded 90 degree elbow that fits on the water valve side. Some length trimming may be required for a tight looking fit. Turn those hoses so that the yellow striping shows! Replaces part # D1ZZ-18472-ACY ...

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.

Air conditioning belt tensioning pulley with new bearing. This adjustable bracket and pulley was used on all 1970-73 351 engines that came with A/C, as well as 1970 428CJ & 1971 429CJ. This part often has a casting number of D0AA-8A617-C1 but not always. This adjustable idler pulley is identified by having the large bearing pulley. Same as the C8AZ-8678-A adjustable idler pulley only with a small bearing pulley. We also offer a bearing replacement service to rebuild your adjustable idler...

Service replacement A/C belt tensioning pulley with new installed bearing. This adjustable bracket and pulley can be used on all 1968 - 1973 Cougars or Mustangs with the V-8 engine as long as they have the "stamped steel" lateral air compressor support brackets. This bracket will only have the big bearing pulley and may have various casting numbers such as D5TA-8A617, D3OA-8A617, D5OA-8A617, D8OA-8A617, etc.*Note* All new bearings will have a slight bit of play in them. This is by design, by...

New sealed bearing for installing on your 1968-73 Mercury Cougar or Ford Mustang idler / tensioner pulley. This bearing also came in all of the "service replacement" idler pulley assemblies and is physically larger than the idler bearing for the 1968-69 only idler pulley (68-69 bearing sku: 10827). The center portion of the pulley, where this bearing would press into, has an inside diameter measurement of 1 9/16". On the smaller bearing pulley, this measurement is 1 3/8". Both versions of this...

Self adhesive cork insulation tape for use on any 1967-73 Mercury Cougar or Ford Mustang with air conditioning. This is original style insulation wrap that adheres firmly to all metals. Material is 1/8 inch thick, and 2 inches wide, comes in a roll of 3 foot length. Perfect material for wrapping expansion valves, and joints prone to condensation.   

These heater control knobs are sold in a set of three and fit good and tight. It is often little details like this that separate 1st and 2nd place when judged at car shows. Replaces Ford Part #: C9ZZ-18519-A.

Used steel lateral support brace for Cougars and Mustangs with the 351-2V or 351-4V engines after 4/27/1971. Replaces part # D1AZ-2888-A.

Used steel lateral support brace for Cougars and Mustangs with the 429CJ engine. Also used on 1970 - 1971 Torinos, Rancheros, and Cyclones equipped with the 429CJ engine. Replaces part #  D0AZ-2888-A.

This little switch is mounted on the back side of your interior temperature control panel on most 1969-72 Ford products. It energizes the A/C pump when you move the the knob to the "A/C" position. Correct dimensions and easy to install. Starting sometime in 1972, this switch was incorporated with the vacuum selector manifold. This is part of the switch assembly C9ZZ-19B888-A.

This little switch is mounted on the back side of your interior temperature control panel on most 1969-72 Ford products. It energizes the A/C pump when you move the the knob to the "A/C" position. 15 AMP micro switch. Starting sometime in 1972, this switch was incorporated with the vacuum selector manifold. This is part of the switch assembly C9ZZ-19B888-A.Tested and guaranteed to work, originally produced by Cherry Electrical Corp.

Cast iron pedestal mount for the air conditioning compressor on all 1970 - 1973 Mercury Cougars and Ford Mustangs with the 351C engine, both the H code 351-2V and M code 351-4V engines. Ford MPC part # D0ZA-2882-C.

"B" grade used cable and knob assembly for opening the passenger side fresh air vent on 1971-73 Mercury Cougar and Ford Mustangs without air conditioning. Cable control mounts under the dash below the glove box. Cougar uses a different mounting bracket than the Mustang. B grade will have a broken mounting tab, but will otherwise have a good cable. About 23 inches in total length.Replaces Ford part number D1ZA-6501890-A.

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 push in retainer for any 1967-73 Mercury Cougar or Ford Mustang. These fasteners are used to attach the floor vent / duct to the blower housing, and to connect the defroster assembly to the blower housing, etc. Sold individually. These are all plastic with flush mounted head. Replaces Ford part number 380464-S.

Used push in retainer for any 1967-73 Mercury Cougar or Ford Mustang. These fasteners are used to attach the floor vent / duct to the blower housing, and to connect the defroster assembly to the blower housing, etc. Sold individually.Replaces Ford part number 380464-S.

Air conditioning bearing replacement service. Send your flat bearing style, fixed or adjustable A/C pulley and we will exchange it or rebuild your exact pulley with a new flat bearing. Either large or small flat bearings, same price.  Dust caps hand fitted, for seamless installation. No extra tool marks, other than the factory peening. Check photos.Ford casting #'s D0AA-8A617-B, D0AZ-8678-D, C8AZ-8678-B, C8AZ-8678-C, C8AZ-8678-A, D8OH-19W653-A, D0AZ-8678-D.*Note* All new bearings will...

Used elbow or connector for the passenger side air conditioning register. This connects the duct tube to the louvered vent. Fits any 1971-73 Mercury Cougar and Ford Mustang. Comes with one metal clip as shown for connecting to the register vent.Replaces Ford part numberD1ZZ-19C692-A. The number from the assembly manual is D1ZA-19C677-AA.

Used OEM Ford heater blower motor resistor that attaches to the heater blower fiberglass housing. We inspect these for damage or broken wires and we guarantee these will make your fan work. Not only was this heat resistor was factory installed on 1969-73 Cougars and Mustangs, but also on 1968 and newer Fairlanes, Torinos, Rancheros, Cyclones, and Montegos. Also installed on 1970 and newer Mavericks / Comets, plus 1971 and newer Lincolns.Ford part # C8OZ-18591-A.*Note - Excludes Heater with...

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

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...

Reproduction heater resistor attaching pins correct for 1967-68 Mercury Cougar and Ford Mustang, but works fine with 1969-73 cars too. Sold in sets of 2 pins.

This kit is designed for the Mercury Cougar and Ford Mustang A/C box.Replaces part # D1ZZ-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.

Reproduction A/C discharge service valve that fits on top of the compressor and is an exact copy of the original. Verify your high pressure hose size when ordering, this unit has the 3/4" fitting. This valve accepts the R134A connection, not the R12.

Used A/C discharge service valve for 1970-73 Mercury Cougars and Ford Mustangs equipped with factory or integral A/C. Original assembly line used high pressure or discharge valve for installation on either York or Tecumseh air compressors. Has the 3/4" inch 'O'-ring fitting for discharge hose. Note that this has the O-ring style of hose connection, also 'Rotolock' is used to describe this style of valve. We consider these core grade valves. They should be professionally inspected and...

Reproduction A/C suction service valve that fits on top of the compressor and is an exact copy of the original. Verify your high pressure hose size when ordering, this unit has the 7/8" hose fitting. Replaces part # D0AZ-19752-A or D0AA-19752-A.

Used A/C suction service valve for 1970-73 Mercury Cougars and Ford Mustangs equipped with factory or integral A/C. Original assembly line used low pressure or suction valve for installation on either York or Tecumseh air compressors. Has the 7/8" inch 'O'-ring fitting for suction hose. Note that this has the O-ring style of hose connection, also 'Rotolock' is used to describe this style of valve. We consider these core grade valves. They should be professionally inspected and have...

Exact reproduction pair of originals and a must for that detailed engine compartment, but in stainless steel. It is little details like these that will often separate 1st from 2nd place at a show.Replaces Ford part # C5ZZ-19752-C.

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 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...

Quick disconnect that installs between the sight glass hose and the sight glass to A/C dryer hose. This unit also includes 2 O-rings (Part # L33,D2AZ-19D695-R or YF-368 and Part # H33, D2AZ-19D695-AE or YF-316)Quick Connect (Part # QF3,C1SZ-19B696-A or YF-241 and Part # QM6, C1SZ-19B695-A or YF-252).