Selected Filters


Loading...

Availability


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 294

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

Part Number: FSS-96119

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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

Part Number: FSS-92097

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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

Part Number: FSS-98606

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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

Part Number: FSS-98788

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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

Part Number: FSS-92089

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Heater Core, Aluminum, Mazda, Each

Part Number: FSS-90795

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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

Part Number: FSS-98547

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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

Part Number: FSS-98559A

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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

Part Number: FSS-90504

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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

Part Number: FSS-96116

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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

Part Number: FSS-98494

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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

Part Number: FSS-98538

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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

Part Number: FSS-98028

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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

Part Number: FSS-91512

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

...Loading

Estimated Ship Date: May 13, 2026 if ordered today

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

Part Number: FSS-91586

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

...Loading

Estimated Ship Date: May 13, 2026 if ordered today

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

Part Number: FSS-90500

3.0 out of 5 stars ( 1 )

Estimated Ship Date: May 13, 2026 if ordered today

...Loading

Estimated Ship Date: May 13, 2026 if ordered today

Heater Core, Replacement, Stock Inlet/Outlet Size, Copper/Brass, Natural, Buick, Oldsmobile, Pontiac, Each

Part Number: FSS-91545

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

...Loading

Estimated Ship Date: May 12, 2026 if ordered today

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

Part Number: FSS-96571

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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

Part Number: FSS-92277

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

...Loading

Estimated Ship Date: May 13, 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: May 13, 2026 if ordered today

...Loading

Estimated Ship Date: May 13, 2026 if ordered today

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

Part Number: FSS-92442

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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

Part Number: FSS-98466

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

...Loading

Estimated Ship Date: May 13, 2026 if ordered today

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

Part Number: FSS-90760

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

...Loading

Estimated Ship Date: May 13, 2026 if ordered today

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

Part Number: FSS-91508

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

...Loading

Estimated Ship Date: May 12, 2026 if ordered today

Heater Core, Aluminum, Chevy, GMC, Each

Part Number: FSS-90788

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/27/2026 if shipped by air