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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 - 23 of 23

Copper/Brass Heater Core

Part Number: FSS-98788

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Aluminum Heater Core

Part Number: FSS-98559A

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Heater Core, Aluminum, Chevy, GMC, Each

Part Number: FSS-90788

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

Part Number: FSS-90483

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Aluminum Heater Core

Part Number: FSS-98553

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Copper/Brass Heater Core

Part Number: FSS-91721

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, Aluminum, Natural, Chevrolet, GMC, Each

Part Number: FSS-90551

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-92019

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, Aluminum, Natural, Chevrolet, GMC, Each

Part Number: FSS-90611

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-90764

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Aluminum Heater Core

Part Number: FSS-92317

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-92280

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-92404

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-92282

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-90058

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-92025

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-98618

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-92458

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

Part Number: FSS-90050

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-92030

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-92387

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-92415

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

Part Number: FSS-90056

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

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