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1971-73 Mustang, Heater Box Assembly, with Air Conditioning

1971-73 Mustang, Heater Box Assembly, with Air Conditioning
1971-73 Mustang, Heater Box Assembly, with Air Conditioning
$737.99 ea
NEWARRIVING SOONEstimated Ship Date 05/19/2026 (If Ordered Today)13 Available from our supplier as of 05/01/2026
Model: 3450764
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
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Replacement of the original heater box assembly designed for use with 1971-73 Mustangs with air conditioning heater box made of original style polymer. Each heater box is manufactured in original style polymer and features accurate dimensions and contours. Includes all interior air control doors and flaps, heater core mount, fan chamber and fresh air inlet. Works on 1971-1973 Mustangs with air conditioning. Includes case clips and full gasket set. Heater core and heater motor resistor available separately.

Ford Applications
  • 1971 - 1973 Ford Mustang
Mercury Applications
  • 1971 - 1973 Mercury Cougar

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Years
Ford Mustang 1971 - 1973
Mercury Cougar 1971 - 1973

Specifications:

Height 26 in
Length 12 in
Weight 14 lbs
Width 16 in

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1971-73 Mustang, Heater Box Assembly, with Air Conditioning: