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Heater Core

Your vehicle’s heater core is a critical component of its climate control system. When it’s in good working order, it’ll keep the cabin of your ride warm and comfy and...

Your vehicle’s heater core is a critical component of its climate control system. When it’s in good working order, it’ll keep the cabin of your ride warm and comfy and your windshield free of fog or frost. But when your heater core goes bad, you may experience little or no cabin heat, coolant leaking on your vehicle’s floor, or your windshield may fog up when you turn the defroster is on. The good news is, we’re here to help with a wide selection of stock replacement heater cores that will restore your vehicle’s climate control system to peak performance.

Resembling a small radiator, the heater core is located inside the...

Your vehicle’s heater core is a critical component of its climate control system. When it’s in good working order, it’ll keep the cabin of your ride warm and comfy and your windshield free of fog or frost. But when your heater core goes bad, you may experience little or no cabin heat, coolant leaking on your vehicle’s floor, or your windshield may fog up when you turn the defroster is on. The good news is, we’re here to help with a wide selection of stock replacement heater cores that will restore your vehicle’s climate control system to peak performance.

Resembling a small radiator, the heater core is located inside the HVAC plenum which is usually tucked behind the dashboard. Replacement cores are commonly manufactured from aluminum or a combination of brass and copper, and most feature OE inlet/outlet ports and factory mounting locations for a simplified installation.

Whatever you drive it’s a good bet we have a heater core that’ll bring the BTUs back to your ride’s heating system. You can shop OE-quality heater cores from trusted brands like Hayden Automotive, Mopar Replacement, ACDelco, Motorcraft, Crown Automotive, and many more.

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Individual Parts

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Results 1 - 11 of 11

Summit Racing™ Classic OEM Heater Cores SUM-382227

Summit Racing™ Classic OEM Heater Cores SUM-382227

Summit Racing™ Classic OEM Heater Cores SUM-382227

Heater Cores, Classic OEM, Copper/Brass, Natural, Buick, Chevrolet, Oldsmobile, Pontiac, Each

Part Number: SUM-382227

4.56 out of 5 stars ( 9 )

Estimated Ship Date: Monday 2/2/2026

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Estimated Ship Date: Monday 2/2/2026

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Summit Racing™ Classic OEM Heater Cores SUM-382217

Summit Racing™ Classic OEM Heater Cores SUM-382217

Heater Cores, Classic OEM, Copper/Brass, Natural, Buick, Oldsmobile, Pontiac, Each

Part Number: SUM-382217

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/2/2026

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Estimated Ship Date: Monday 2/2/2026

Summit Racing™ Classic OEM Heater Cores SUM-382210

Summit Racing™ Classic OEM Heater Cores SUM-382210

Summit Racing™ Classic OEM Heater Cores SUM-382210

Heater Cores, Classic OEM, Copper/Brass, Natural, Buick, Chevrolet, Oldsmobile, Pontiac, Each

Part Number: SUM-382210

Not Yet Reviewed

Estimated Ship Date: Monday 2/2/2026

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Estimated Ship Date: Monday 2/2/2026

Agility Auto Parts Heater Cores 9010067

Agility Auto Parts Heater Cores 9010067

Agility Auto Parts Heater Cores 9010067

Heater Cores, Aluminum, Natural, 0.625 in. Inlet, 0.750 in. Outlet, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, without AC, Each

Part Number: RDR-9010067

3.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/2/2026

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Estimated Ship Date: Monday 2/2/2026

Summit Racing™ Classic OEM Heater Cores SUM-382216

Summit Racing™ Classic OEM Heater Cores SUM-382216

Summit Racing™ Classic OEM Heater Cores SUM-382216

Heater Cores, Classic OEM, Copper/Brass, Natural, Buick, Cadillac, Oldsmobile, Each

Part Number: SUM-382216

Not Yet Reviewed

Estimated Ship Date: Monday 2/2/2026

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Estimated Ship Date: Monday 2/2/2026

OSC Automotive Heater Cores 98532

OSC Automotive Heater Cores 98532

OSC Automotive Heater Cores 98532

HVAC Heater Core, OSC Cooling Products 98532 New Heater Core

Part Number: OSC-98532

Not Yet Reviewed

Estimated Ship Date: Feb 17, 2026 if ordered today

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Estimated Ship Date: Feb 17, 2026 if ordered today

Four Seasons Heater Cores 98533

Four Seasons Heater Cores 98533

Four Seasons Heater Cores 98533

Aluminum Heater Core

Part Number: FSS-98533

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 19, 2026 if ordered today

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Estimated Ship Date: Feb 19, 2026 if ordered today

Four Seasons Heater Cores 91541

Four Seasons Heater Cores 91541

Four Seasons Heater Cores 91541

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

Part Number: FSS-91541

Not Yet Reviewed

Estimated Ship Date: Feb 17, 2026 if ordered today

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Estimated Ship Date: Feb 17, 2026 if ordered today

Universal Air Conditioner Heater Cores HT 398229C

Universal Air Conditioner Heater Cores HT 398229C

Universal Air Conditioner Heater Cores HT 398229C

HVAC Heater Core

Part Number: UAC-HT398229C

Not Yet Reviewed

Estimated Ship Date: Feb 13, 2026 if ordered today

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Estimated Ship Date: Feb 13, 2026 if ordered today

OSC Automotive Heater Cores 98535

OSC Automotive Heater Cores 98535

OSC Automotive Heater Cores 98535

HVAC Heater Core, OSC Cooling Products 98535 New Heater Core

Part Number: OSC-98535

Not Yet Reviewed

Estimated Ship Date: Feb 17, 2026 if ordered today

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Estimated Ship Date: Feb 17, 2026 if ordered today

OSC Automotive Heater Cores 98533

OSC Automotive Heater Cores 98533

OSC Automotive Heater Cores 98533

HVAC Heater Core, OSC Cooling Products 98533 New Heater Core

Part Number: OSC-98533

Not Yet Reviewed

Estimated Ship Date: Feb 17, 2026 if ordered today

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Estimated Ship Date: Feb 17, 2026 if ordered today

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