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Four Seasons Heater Cores

4.18 out of 5 stars 11 Customer Reviews

Four Seasons heater cores feature heavy-duty construction for durability and quality engineering to help provide the original factory fit, form, and function. All units include OE-style hardware for installation ease and receive independent testing for proven quality and performance. Keep your older vehicle operating like new with the replacement Four Seasons heater core designed to fit your vehicle.

Results 1 - 21 of 21

Heater Core, Replacement, Stock Inlet/Outlet Size, Copper/Brass, Natural, Ford, Mercury, Each

Part Number: FSS-91586

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Heater Core, Replacement, Stock Inlet/Outlet Size, Copper/Brass, Natural, Ford, Mercury, Each

Part Number: FSS-91593

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Aluminum Heater Core

Part Number: FSS-96585

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

Aluminum Heater Core

Part Number: FSS-98579A

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Heater Core, Replacement, Stock Inlet/Outlet Size, Copper/Brass, Natural, Ford, Mercury, Each

Part Number: FSS-91588

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Heater Core, Replacement, Stock Inlet/Outlet Size, Copper/Brass, Natural, Mercury, Each

Part Number: FSS-91561

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Heater Core, Aluminum, Natural, Stock Inlet/Outlet Size, Mercury, Each

Part Number: FSS-90045

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

Copper/Brass Heater Core

Part Number: FSS-91583

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

Aluminum Heater Core

Part Number: FSS-90701

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

Aluminum Heater Core

Part Number: FSS-90479

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

Copper/Brass Heater Core

Part Number: FSS-91757

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

Heater Core, Replacement, Stock Inlet/Outlet Size, Aluminum, Natural, Ford, Lincoln, Mercury, Plymouth, Each

Part Number: FSS-90624

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

Aluminum Heater Core

Part Number: FSS-92298

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

Aluminum Heater Core

Part Number: FSS-92099

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

Aluminum Heater Core

Part Number: FSS-92152

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

Aluminum Heater Core

Part Number: FSS-92153

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

Heater Core, Aluminum, Natural, Stock Inlet/Outlet Size, Ford, Lincoln, Mercury, Each

Part Number: FSS-90007

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

Aluminum Heater Core

Part Number: FSS-90009

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

Aluminum Heater Core

Part Number: FSS-90745

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

Aluminum Heater Core

Part Number: FSS-98597A

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

Aluminum Heater Core

Part Number: FSS-90743

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

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