Keep warm air flowing to the cabin with the Agility Auto Parts HVAC Heater Core, MPN 9010390. This heater core routes engine coolant through its aluminum core so the blower can pass cabin air across it for heat, and it drops in as a direct-fit replacement for the 1993-1997 Toyota Corolla (All engines). If a leaking or clogged original core is behind weak heat, fogged glass, or a sweet coolant smell inside, this unit replaces it.
- Aluminum construction: aluminum core, tubes and tanks for heat transfer and resistance to corrosion.
- OE-level build: certified to meet or exceed OE specifications and engineered under ISO TS16949 quality systems.
- 100% leak tested: every core is leak tested and fitment-checked in the vehicle's HVAC heater module for a drop-in fit right out of the box.
- Core specs: core measures 8.5 in high, 5.625 in wide and 1.625 in deep, with 0.625 in inlet and outlet pipes.
Part of Agility's line covering the vast majority of North American vehicle applications. Country of origin: China.
Interchange: 18-12425
1812425 · 8331 · 91766 · 399200 · 94789 · 8710712480
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What vehicle does this heater core fit?
It is a direct-fit replacement for the 1993-1997 Toyota Corolla (All engines). Check the Buyer's Guide tab to confirm it matches your vehicle.
What is the heater core made of?
The core, tubes and tanks are aluminum, which aids heat transfer and resistance to corrosion.
Is this core tested before shipping?
Yes. Every core is 100% leak tested and fitment-checked in the vehicle's HVAC heater module for a drop-in fit out of the box.
What are the core dimensions?
The core is 8.5 in high, 5.625 in wide and 1.625 in deep, with 0.625 in inlet and outlet pipe diameters.
What are signs my heater core may need replacing?
Weak or no cabin heat, coolant loss, fogging on the inside of the glass, or a sweet coolant smell in the cabin. Diagnose the cause before replacing.
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