HomeHVAC > Motors, Core, Case and Related ComponentsFour Seasons 90624 HVAC Heater Core
Part #: 90624

Four Seasons 90624 HVAC Heater Core

Heater Core
⚙️ 3 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, LTD, and Thunderbird
🔄Easy Returns — Return within 60 days for a full refund
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Reliable Aluminum Heater Core for Ford and Mercury Vehicles

The Four Seasons Heater Core 90624 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 Cougar, LTD, or Thunderbird.

Key Features of Four Seasons Heater Core 90624

  • Core dimensions: 7 inches height, 5.875 inches width, and 1.625 inches depth
  • Constructed from corrosion-resistant aluminum material
  • Includes two tubes measuring 0.625 inches (15.88 mm) and 0.75 inches (19.05 mm) respectively
  • Designed specifically for HVAC heater core applications
  • Compatible with Ford Cougar, LTD, and Thunderbird models

Detailed Description of the Four Seasons Heater Core

This Four Seasons Heater Core 90624 features a robust aluminum design that provides efficient heat exchange within the HVAC system. The core's precise dimensions—7 inches in height, 5.875 inches in width, and 1.625 inches in depth—ensure a proper fit and optimal airflow. The two inlet and outlet tubes, sized at 0.625 inches and 0.75 inches respectively, facilitate effective coolant flow to maintain cabin warmth. As part of the Four Seasons Heater Core product line, this component is engineered to meet the specific heating requirements of Ford and Mercury vehicles, delivering reliable performance without compromising system integrity.

Applications and Common Issues Addressed

  • Restores heating functionality in Ford Cougar, LTD, and Thunderbird HVAC systems
  • Replaces leaking or clogged heater cores causing coolant loss
  • Eliminates insufficient cabin heat due to core blockages or corrosion
  • Prevents engine overheating related to heater core failures
  • Resolves unpleasant odors from damaged or deteriorated heater cores

Installation Notes and Tips

When installing the Four Seasons Heater Core 90624, ensure the HVAC system is properly drained to avoid coolant spills. Verify the core dimensions and tube sizes match the vehicle specifications for a secure fit. Handle the aluminum core carefully to prevent damage to the fins and tubes. It is recommended to inspect and replace any worn hoses or seals during installation to maintain system integrity.

Quality Assurance and Warranty Information

Four Seasons manufactures the Heater Core 90624 to meet OEM standards for durability and performance. The aluminum construction resists corrosion and extends service life. While specific warranty details are not provided here, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.

BrandFour Seasons
Part Number90624
PositionHeater Core
Core Depth IN1.625
Core Height IN7
Core Width IN5.875
DescriptionHeater cores
MaterialAluminum
StyleAluminum heater core
Tube 1 IN0.625
Tube 1 MM15.88
Tube 2 IN0.75
Tube 2 MM19.05
TypeHeater core /aluminum

This part fits 3 vehicles. Search below:

YearMakeModelPositionNotes
1979FordLTDN/Aw/ AC; Heater Core
1979FordThunderbirdN/Aw/ AC; Heater Core
1979MercuryCougarN/Aw/ AC; 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:

15625981811758234525020027542553980174603119553624609335660311970234580178231309901012790251906249462498624D9LY18476AD9LY18476BFM9025XH2362HT398017ZH200

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