HomeHVAC > Motors, Core, Case and Related ComponentsFour Seasons 98574A HVAC Heater Core
Part #: 98574A

Four Seasons 98574A HVAC Heater Core

Heater Core
⚙️ 18 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Heater Core
🚗Fitment: Ford and Mercury, Cougar, Montego, Mustang, and Pinto
🔄Easy Returns — Return within 60 days for a full refund
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Reliable Heater Core Replacement for Ford and Mercury Vehicles

The Four Seasons Heater Core 98574A is designed to restore efficient heating performance in select Ford and Mercury models. Engineered with durable aluminum construction, this heater core ensures consistent heat transfer and long-lasting operation for your vehicle's HVAC system.

  • Core dimensions: 7-3/4 inches length, 6 inches width, 2 inches thickness
  • Constructed from corrosion-resistant aluminum material
  • Tube diameter: 0.625 inches (15.875 mm) for both inlet and outlet
  • Meets or exceeds OEM specifications for reliable fit and function
  • Compatible with Ford Mustang, Cougar, Pinto and Mercury Montego models

Four Seasons Heater Core Product Line Overview

The Four Seasons Heater Core line focuses on delivering quality HVAC heater cores that meet or exceed original equipment manufacturer standards. This aluminum heater core model 98574A is part of that line, offering precise core dimensions and durable materials to maintain optimal heating performance in your vehicle’s climate control system.

Detailed Product Description

This HVAC heater core features a core height of 7.75 inches, width of 6 inches, and a depth of 2 inches, providing a compact yet efficient design. The aluminum core material offers enhanced heat dissipation and resistance to corrosion compared to traditional copper cores. Both inlet and outlet tubes measure 0.625 inches in diameter, ensuring proper coolant flow. The fixed pipe positioning design simplifies installation without the need for adjustments.

Common Applications and Problem Resolution

  • Restores heating functionality in Ford Mustang, Cougar, Pinto, and Mercury Montego vehicles
  • Replaces leaking or clogged heater cores causing coolant loss or poor cabin heat
  • Eliminates unpleasant odors from damaged heater cores
  • Prevents engine overheating related to heater core failure
  • Improves HVAC system efficiency and passenger comfort

Installation Notes and Tips

Ensure compatibility with your specific Ford or Mercury model before installation. The Four Seasons Heater Core 98574A features fixed pipe positioning, so no adjustments are necessary during installation. Properly flush the cooling system to remove debris before installing the new heater core to maximize performance and longevity.

Quality Assurance and Warranty

This heater core meets or exceeds OEM standards, providing reliable performance and durability. Four Seasons products typically come with a limited warranty; please refer to the manufacturer’s documentation for specific warranty details related to part number 98574A.

BrandFour Seasons
Part Number98574A
PositionHeater Core
Length7-3/4
Thickness2
Width6
Core MaterialAluminum
Adjustable Pipe PositioningNo
Core Depth IN2.000
Core Height IN7.750
Core Width IN6.000
DescriptionHeater cores
Meets / Exceeds OEM?Yes
StyleAluminum heater core
Tube 1 IN0.625
Tube 1 MM15.875
Tube 2 IN0.625
Tube 2 MM15.875
TypeHeater core /aluminum

This part fits 18 vehicles. Search below:

YearMakeModelPositionNotes
1973FordMustangN/ACompatible with vehicles equipped with air conditioning.; Heater Core
1973FordPintoN/ACompatible with vehicles equipped with air conditioning.; Heater Core
1973MercuryCougarN/ACompatible with vehicles equipped with air conditioning.; Heater Core
1972FordMustangN/ACompatible with vehicles equipped with air conditioning.; Heater Core
1972FordPintoN/ACompatible with vehicles equipped with air conditioning.; Heater Core
1972MercuryCougarN/ACompatible with vehicles equipped with air conditioning.; Heater Core
1971FordMustangN/ACompatible with vehicles equipped with air conditioning.; Heater Core
1971FordPintoN/ACompatible with vehicles equipped with air conditioning.; Heater Core
1971MercuryCougarN/ACompatible with vehicles equipped with air conditioning.; Heater Core
1970FordMustangN/ACompatible with vehicles equipped with air conditioning.; Heater Core
1970MercuryCougarN/ACompatible with vehicles equipped with air conditioning.; Heater Core
1969FordMustangN/ACompatible with vehicles equipped with air conditioning.; Heater Core
1969MercuryCougarN/ACompatible with vehicles equipped with air conditioning.; Heater Core
1969MercuryMontegoN/ACompatible with vehicles equipped with air conditioning.; Heater Core
1968FordMustangN/ACompatible with models that do not have air conditioning.; Heater Core
1968MercuryCougarN/ACompatible with models that do not have air conditioning.; Heater Core
1967FordMustangN/ACompatible with models that do not have air conditioning.; Heater Core
1967MercuryCougarN/ACompatible with models that do not have air conditioning.; Heater Core

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

156260318117122211250137279305399032554574609307660300570221182312829010049903290320945749857498574AC7ZZ18476AC9ZZ18476BFM9032H2296HT399032ZH137

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.