Four Seasons 91523 HVAC Heater Core
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Four Seasons
 Heater Core

Four Seasons 91523 HVAC Heater Core

Brand Four Seasons 91523
Length 8
Thickness 2
Width 6-3/4
Core Material Copper
Adjustable Pipe Positioning No
Core Depth IN 2.000
Core Height IN 8.000
Core Width IN 6.750
Description Heater cores
Meets / Exceeds OEM? Yes
Style Copper/brass heater core
Tube 1 IN 0.500
Tube 1 MM 12.700
Tube 2 IN 0.625
Tube 2 MM 15.875
Type Heater core /copper brass
Product line Heater Core
Fits Dodge · 13 vehicles

OE direct replacement. Meets or exceeds OEM requirements for a confident fit.

Copper/brass construction. Durable heater core design for efficient heat transfer.

Heater core. Restores cabin heating performance with a direct replacement part.

Cross-references Anchor 9111, APDI 9010117 and ATE 250153 for the same application. See all 21.

$94.32Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $94.32
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all HVAC Heater Core options

Four Seasons 91523 Heater Core Overview

The Four Seasons 91523 heater core is a copper/brass HVAC heater core built to meet or exceed OEM requirements. With an 8-inch height, 6.75-inch width, and 2-inch depth, it is a direct-fit style replacement for select Dodge Charger, Dodge Monaco, and Dodge Magnum models without air conditioning.

Four Seasons heater core 91523 is part of the Heater Core line and is built around copper core material for dependable heat transfer in the vehicle HVAC system. This part number is used for 1971-1978 Dodge Charger, 1975-1976 Dodge Monaco, 1977-1978 Dodge Monaco, and 1978 Dodge Magnum applications without AC.

Key Features

  • Copper/brass heater core construction
  • Core material: copper
  • Core dimensions: 8.000 in. height x 6.750 in. width x 2.000 in. depth
  • Tube sizes: 0.500 in. and 0.625 in.
  • Meets or exceeds OEM specifications
  • Direct replacement style for select non-AC Dodge HVAC systems
  • Four Seasons part number 91523

Vehicle Fitment

  • Fits 1971-1978 Dodge Charger, N/A, compatible with models that do not have air conditioning.
  • Fits 1975-1976 Dodge Monaco, N/A, w/o AC.
  • Fits 1977-1978 Dodge Monaco, N/A, compatible with models that do not have air conditioning.
  • Fits 1978 Dodge Magnum, N/A, w/o AC.

What This Heater Core Helps Address

  • Loss of cabin heat from a leaking or restricted heater core
  • Coolant odor inside the passenger compartment
  • Fogging or film on the inside of the windshield caused by heater core seepage
  • Uneven or weak heat output from the HVAC system
  • Corrosion-related heater core failure in older copper/brass systems

Installation Notes and Tips

Verify the vehicle is equipped without air conditioning before ordering. Confirm the core dimensions, tube sizes, and HVAC case layout against the original unit on the vehicle. During installation, inspect hoses, clamps, and the cooling system for wear or contamination so the replacement heater core can operate properly after service.

Quality Assurance

Four Seasons 91523 is manufactured to meet or exceed OEM specifications for the listed applications. This part cross-references APDI 9010117 and Anchor 9111 for the same application.

Related reading

This part fits 13 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1978DodgeCharger——N/ACompatible with models that do not have air conditioning.; Heater Core
1978DodgeMagnum——N/Aw/o AC; Heater Core
1978DodgeMonaco3.7LL6N/ACompatible with models that do not have air conditioning.; Heater Core
1977DodgeCharger——N/ACompatible with models that do not have air conditioning.; Heater Core
1977DodgeMonaco3.7LL6N/ACompatible with models that do not have air conditioning.; Heater Core
1976DodgeCharger——N/ACompatible with models that do not have air conditioning.; Heater Core
1976DodgeMonaco——N/Aw/o AC; Heater Core
1975DodgeCharger——N/ACompatible with models that do not have air conditioning.; Heater Core
1975DodgeMonaco——N/Aw/o AC; Heater Core
1974DodgeCharger——N/ACompatible with models that do not have air conditioning.; Heater Core
1973DodgeCharger——N/ACompatible with models that do not have air conditioning.; Heater Core
1972DodgeCharger——N/ACompatible with models that do not have air conditioning.; Heater Core
1971DodgeCharger——N/ACompatible with models that do not have air conditioning.; Heater Core
Directly replaces or cross-references 21 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Anchor — 9111APDI — 9010117ATE — 250153Four Seasons — 91523Global Parts Distributors LLC — 1812133OSC — 21839011194523985232792363090143941525545237021833503716357917138380996603104CR9111H2227ZH153