Four Seasons 91794 HVAC Heater Core

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Fitment Info

  • Four Seasons 91794 HVAC Heater Core
  • Fits: Mazda 323, Mazda MX-3, Mazda Protege (check fitment chart for compatibility)
  • Confirm fitment with our fitment and interchange chart below

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Fitment Table

✅ Compatible with 14 vehicles
Year Make Model
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Product Attributes

  • No
  • 1.250
  • 5.500
  • Copper
  • 7.000
  • Heater Cores
  • 5-1/2
  • Yes
  • Copper/Brass Heater Core
  • 1-1/4
  • 0.625
  • 15.875
  • 0.625
  • 15.875
  • Heater Core /Copper Brass
  • 7

Interchange Part Numbers

Know the factory part number you are replacing? If it's listed below, this part will be a perfect match. If you can't find yours listed, try searching our website for your part number.