Help keep your cab warm and your defroster working with the Four Seasons heater core, part number 98700A. This aluminum heater core carries hot engine coolant through its core, and the blower pushes air across it to warm the air entering the passenger compartment. It fits many vehicles, among them the 1991-1994 Ford Explorer, 1983-1995 Ford Ranger and 1984-1990 Ford Bronco II. See the Buyer's Guide tab for the full list and engine details.
Four Seasons brings more than 50 years of mobile A/C experience to this part. It is engineered and tested with years of trouble-free operation as the goal.
- Aluminum construction: the core is made of aluminum.
- Heavy-duty build: heavy-duty construction designed for product durability.
- O.E. fit, form and function: quality engineering aimed at matching the original part's fit, form and function.
- Independently tested: outside testing verifies its quality and performance.
Signs a heater core may need replacing include weak or no cabin heat, a sweet coolant smell inside the vehicle, a windshield that fogs, damp floor carpeting, or coolant loss with no visible cause. Other cooling-system faults can cause similar symptoms, so diagnose the cause before you replace the core.
Interchange: 9010244 · 556700 · 398001 · 4L3Z18476DA · E27H18476A · E27H18476AB · E3TZ18476A · E3TZ18476J · E9TZ18476A · H2MZ18476D · 8231321 · ZZL061A10 · 6870 · 94700 · 2758001 · 1811405 · HT6100 · HT8001 · HT8001C
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
Is this a direct-fit Ford Explorer heater core replacement?
Yes. The 98700A is listed as a direct-fit replacement for the 1991-1994 Ford Explorer, and Four Seasons engineers it for O.E. fit, form and function.
Will this Ford Ranger heater core also fit a Bronco II?
It is listed for the 1983-1995 Ford Ranger and the 1984-1990 Ford Bronco II. Check the Buyer's Guide tab to confirm your exact vehicle.
What does an HVAC heater core do?
Hot engine coolant flows through the heater core, and the blower pushes air across it. That heated air warms the cabin and helps the defroster clear the windshield.
What is the 98700A heater core made of?
Four Seasons describes it as an aluminum heater core with heavy-duty construction. It is independently tested for quality and performance.
What are signs a heater core may need replacing?
Signs include weak or no cabin heat, a sweet coolant smell, a windshield that fogs, damp carpeting or coolant loss. Diagnose the cause first, since other faults can cause the same symptoms.
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