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Four Seasons Heater Cores

4.42 out of 5 stars 12 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 - 25 of 82

Heater Core, Replacement, Stock Inlet/Outlet Size, Aluminum, Natural, Freightliner, Each

Part Number: FSS-96119

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

Heater Core, Replacement, Stock Inlet/Outlet Size, Aluminum, Natural, Porsche, Each

Part Number: FSS-92161

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

Heater Core, Replacement, Stock Inlet/Outlet Size, Aluminum, Natural, Dodge, Jeep, Each

Part Number: FSS-98466

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

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

Part Number: FSS-90735

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

Heater Core, Aluminum, Natural, Stock Inlet/Outlet Size, Chevrolet, GMC, Each

Part Number: FSS-90483

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Heater Core, Replacement, Stock Inlet/Outlet Size, Aluminum, Natural, Mack, Each

Part Number: FSS-96123

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

Heater Core, Replacement, Stock Inlet/Outlet Size, Aluminum, Natural, Toyota, Each

Part Number: FSS-91805

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

Heater Core, Replacement, Stock Inlet/Outlet Size, Aluminum, Natural, Chevrolet, Pontiac, Each

Part Number: FSS-90760

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Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

Heater Core, Replacement, Stock Inlet/Outlet Size, Aluminum, Natural, Chevrolet, Each

Part Number: FSS-90055

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

Heater Core, Replacement, 0.750 in. Inlet/Outlet Size, Aluminum, Natural, Volvo, Each

Part Number: FSS-96121

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

Heater Core, Replacement, Stock Inlet/Outlet Size, Aluminum, Natural, International, Each

Part Number: FSS-96105

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

Heater Core, Replacement, Stock Inlet/Outlet Size, Aluminum, Natural, Western Star, Each

Part Number: FSS-96118

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

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

Part Number: FSS-96112

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Heater Core, Replacement, Stock Inlet/Outlet Size, Aluminum, Natural, for use on Honda®, Each

Part Number: FSS-92221

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Heater Core, Replacement, Stock Inlet/Outlet Size, Aluminum, Natural, Saab, Each

Part Number: FSS-92162

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

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

Part Number: FSS-90010

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

Heater Core, Replacement, Stock Inlet/Outlet Size, Aluminum, Natural, Land Rover, Each

Part Number: FSS-92116

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

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

Part Number: FSS-98783

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

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

Part Number: FSS-90764

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Aluminum Heater Core

Part Number: FSS-92188

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

Heater Core, Aluminum, Each

Part Number: FSS-90719

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

Copper/Brass Heater Core

Part Number: FSS-96113

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

Aluminum Heater Core

Part Number: FSS-90040

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

Aluminum Heater Core

Part Number: FSS-90071

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

Aluminum Heater Core

Part Number: FSS-96117

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today