1998 GMC Heater Cores

Heater Core, Aluminum, Natural, Chevy, Cadillac, GMC, Each

Part Number: RCG-18-11691

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Heater Core, Aluminum, Natural, Chevy, GMC, Oldsmobile, Each

Part Number: RCG-18-11178

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Estimated Ship Date: Tomorrow

HVAC Heater Core, HVAC HEATER CORE

Part Number: RDR-9010133

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Estimated Ship Date: Jan 29, 2026 if ordered today

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

Part Number: FSS-90483

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Estimated Ship Date: Tomorrow

Heater Core, Stock Replacement, 3/4 in. Inlet, 5/8 in. Outlet, Aluminum, Chevy, GMC, Isuzu, Oldsmobile, Truck, SUV, Each

Part Number: RDR-9010035

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Estimated Ship Date: Jan 29, 2026 if ordered today

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HVAC Heater Core, HVAC HEATER CORE

Part Number: RDR-9010000

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Estimated Ship Date: Tomorrow

Heater Cores, Aluminum, Natural, 0.625 in. Inlet, 0.750 in. Outlet, Chevrolet, GMC, Each

Part Number: RDR-9010030

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Estimated Ship Date: Tomorrow

HVAC Heater Core, OSC Cooling Products 98056 New Heater Core

Part Number: OSC-98056

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Estimated Ship Date: Jan 29, 2026 if ordered today

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HVAC Heater Core, OSC Cooling Products 98014 New Heater Core

Part Number: OSC-98014

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Estimated Ship Date: Jan 29, 2026 if ordered today

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Aluminum Heater Core

Part Number: FSS-90489

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Estimated Ship Date: Feb 2, 2026 if ordered today

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HVAC Heater Core, HVAC HEATER CORE

Part Number: RDR-9010033

Not Yet Reviewed

Estimated Ship Date: Jan 29, 2026 if ordered today

• Drop Ship
• Special Order