Four Seasons 93007 Aluminum HVAC Heater Core Replacement

The Four Seasons 93007 is a direct-fit aluminum HVAC heater core engineered to restore full cabin heating performance. Built to O.E. fit, form, and function, this heater core is tested and validated to meet or exceed original equipment specifications, making it a reliable solution for heating system repairs.

Constructed entirely from aluminum — both core and tank — this unit delivers efficient heat transfer while offering excellent resistance to corrosion and thermal fatigue. The fully brazed aluminum design enhances structural integrity and long-term durability under normal operating conditions.

Key Features:

• All-aluminum construction — aluminum core and aluminum tanks for corrosion resistance and efficient heat dissipation
• Direct OE replacement — engineered to match OEM fit, form, and function for a drop-in installation
• Leak tested — every unit undergoes quality control leak testing to ensure product integrity before leaving the factory
• High-density fin count for maximum heat transfer and cabin comfort
• Core dimensions: approximately 7-1/2 in. height × 7-3/8 in. width × 2 in. thickness
• Inlet diameter: 5/8 in. | Outlet diameter: 3/4 in.

OEM Cross-Reference Part Numbers: F8OZ18476AA, F5OY18476A, F80Y18476A, F80Z18476AA, H2MZ18476A, FM8372, HC19, HT8336, HT8336C, 398336, 553007, 94812, 90007, 96003, 98007

Four Seasons is a trusted name in automotive thermal management, offering comprehensive coverage across all major heater core styles. The 93007 heater core is an ideal choice for restoring reliable heat output and eliminating coolant leaks inside the passenger compartment.